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  • Certain DevianArt advertising Campaigns lead to Malware, Spyware and Unwanted Applications on your computer

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    DeviantArt Malwaretising

     

    Today, the estimated number of known computer threats like viruses, worms, backdoors, exploits, Trojans, spyware, password stealer, and other variants of potentially unwanted software range into millions. It has the capability to create several different forms of itself dynamically in order to thwart antimalware programs.

    Users of the biggest online artwork community, DevianART with Global Alexa Rank 148, are targeted by the potentially unwanted software programs — delivered by the advertisements on the website, Stop Malvertising reported on Sunday.

    A Potentially Unwanted Application (PUA) is a program that may not be intentionally malicious, but can negatively affect the performance and reliability of the system by distributing spyware or adware that can cause undesirable behavior on the computer. Some may simply display annoying advertisements, while others may run background processes that cause your computer to slow down. However, unlike malware, users themselves consent to install a PUA into their systems.

    The malicious advertisements are delivered via newly registered (3rd March 2014) domains – Redux Media (www.reduxmedia.com) and avadslite.com. “Over the past months, this domain has been seen to resolve to the following IP addresses: 107.20.210.36 (2014-05-01), 54.243.89.71 (2014-05-01) and 184.170.128.86 (2014-05-25). According to VirusTotal, malware has communicated with the last two IP addresses.” Kimberly from Stop Malvertising said.

    Once the user click on the Ad served by the DevianArt website, they are redirected to the Optimum Installer, a source of Potentially Unwanted Applications (PUA’s) that downloads legitimate software applications as well as bundled third-party software including toolbar.

     

    malware ad

    As shown, a pop-under warning will urge users to “update Media Player“, immediately followed by a second advertisement to “update Windows 7 Drivers” to avoid vulnerabilities, reduce crashes and ensure an optimal browsing experience. This is just a scam nothing more or less.

    Obviously, these are well known social engineering techniques to trick the computer user into installing malicious or ad-support software. Such infection are designed specifically to make money, generate web traffic, and will display advertisements and sponsored links within your web browser.

     

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  • Zeus Trojan (or Zbot Trojan) steals confidential information from the infected computer.

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    Pandemiya hacking trojan

    A new and relatively rare Zeus Trojan program was found which is totally different from other banking Trojans and has capability to secretly steal data from forms, login credentials and files from the victim as well as can create fake web pages and take screenshots of victim’s computer.

    Researchers at RSA Security’s FraudAction team have discovered this new and critical threat, dubbed as ‘Pandemiya’, which is being offered to the cyber criminals in underground forums as an alternative to the infamous Zeus Trojan and its many variants, that is widely used by most of the cyber-criminals for years to steal banking information from consumers and companies.

     

    The source code of the Zeus banking Trojan is available on the underground forums from past few years, which lead malware developers to design more sophisticated variants of Zeus Trojan such as Citadel, Ice IX and Gameover Zeus.

     

    But, Pandemiya is something by far the most isolated and dangerous piece of malware as the author spent a year in writing the code for Pandemiya, which includes 25,000 lines of original code written in C.
    Like other commercial Trojan, Pandemiya infect the machines through exploit kits and via drive-by download attacks to boost infection rate that exploit flaws in the vulnerable software such as Java, Silverlight and Flash within few seconds victim lands on the web page.

    Pandemiya’s coding quality is quite interesting, and contrary to recent trends in malware development, it is not based on Zeus source code at all, unlike Citadel/Ice IX, etc.,” researchers from RSA, the security division of EMC, said Tuesday in a blog post. “Through our research, we found out that the author of Pandemiya spent close to a year of coding the application, and that it consists of more than 25,000 lines of original code in C.

    Pandemiya Trojan using Windows CreateProcess API to inject itself into every new process that is initiated, including Explorer.exe and re-injects itself when needed. Pandemiya is being sold for as much as $2,000 USD and provides all the nasty features including encrypted communication with command and control servers in an effort to evade detection.The Trojan has been designed with modular architecture to load more external plug-ins, which allows hackers to add extra features simply by writing new DLL (dynamic link library). The extra plug-ins easily add capabilities to the Trojan’s core functionality, that’s why the developer charge an extra of $500 USD to get the core application as well as its plugins, which allows cybercriminals to open reverse proxies on infected computers, to steal FTP credentials and to infect executable files in order to inject the malware at start up.

     

    The advent of a freshly coded new trojan malware application is not too common in the underground,” Marcus writes, adding that the modular approach in Pandemiya could make it “more pervasive in the near future.

    The malware developers are also working on other new features to add reverse Remote Desktop Protocol connections and a Facebook attack module in order to spread the Trojan through hijacked Facebook accounts.

    HOW TO REMOVE PANDEMIYA TROJAN

    The Trojan can be easily removed with a little modification in the registry and command line action, as explained below:

      1. Locate the registry key HKEY_LOCAL_USER\Software\Microsoft\Windows\CurrentVersion\Run and identify the *.EXE filename in your user’s ‘Application Data’ folder. Note the name, and delete the registry value.
      2. Locate the registry key HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\AppCertDlls. Find the value with the same name as the *.EXE file in the previous step. Note the file name, and remove the value from the registry.
      3. Reboot the system. At this stage Pandemiya is installed but no longer running. Delete both files noted earlier. This will remove the last traces of the Trojan. Your system is now clean.

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  • Cryptowall Ransomware Spreading on the internet rapidly through advertisements

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    Cryptowall Lock Malware spyware spreading
    Cryptowall Lock Malware

     

    Ransomware is an emerging threat in the evolution of cybercriminals techniques to part you from your money. Typically, the malicious software either lock victim’s computer system or encrypt the documents and files on it, in order to extort money from the victims.

    Though earlier we saw the samples of Ransomware tended to be simple with dogged determinations to extort money from victims. But with the exponential rise in the samples of Ransomware malwares, the recent ones are more subtle in design, including Cryptolocker, Icepole, PrisonLocker, CryptoDefense and its variants.

    Now, the ransomware dubbed as Cryptowall, a latest variant of the infamous ransomware Cryptolocker is targeting users by forcing them to download the malicious software by through advertising on the high profile domains belonging to Disney, Facebook, The Guardian newspaper and others.

    Cryptolocker is designed by the same malware developer who created the sophisticated CryptoDefense (Trojan.Cryptodefense) ransomware, appeared in the end of March, that holds the victims’ computer files hostage by wrapping them with strong RSA 2048 encryption until the victim pays a ransom fee to get them decrypted.

    But unfortunately, the malware author failed to realize that he left the decryption keys left concealed on the user’s computer in a file folder with application data.

    So, to overcome this, the developer created Cryptowall ransomware and alike the latest versions of CryptoDefense, the infected system’s files and documents encrypted by CryptoWall are impossible to decrypt.

    The story broke, when researchers at Cisco revealed that cybercriminals have started targeting people with RIG Exploit Kits (EK) to distribute malicious Cryptowall ransomware malware.

    The Rig Exploit Kit was first spotted by Kahu Security in April, which checks for an unpatched version of Flash, Internet Explorer, Java or the Silverlight multimedia program on the infected users and if found, the system is instantly exploited by the bad actors.

    Researchers at Cisco have noticed high levels of traffic consistent with the new “RIG” exploit kit, thereby blocking requests to over 90 domains. On further investigation, the company observed that many of its Cloud Web Security (CWS) users were visiting on those malicious domains after clicking advertisements on high-profile domains such as “apps.facebook.com,” “awkwardfamilyphotos.com,” “theguardian.co.uk” and “go.com,” and many others.

    cryptowall ransomware If clicked, the advertisements redirect victims to one of those malicious domains in order to malvertise users and once the system get infected with the RIG Exploit Kit, it will deliver the payload which includes the Cryptowall Ransomware malware.

    Now, when this CryptoWall is installed in the infected system, it will start scanning the system Hard Drive for data files and encrypt them.

    After encrypting the files on victim’s system, it will create files containing ransom instructions in every folder it had encrypted, demanding up to $500 USD. The service where users are instructed to pay the ransom amount is a hidden service that uses the Command-and-Control server hosted on TOR .onion domain.

    The largest share of infections, some 42 percent, are in the United States, followed by England and Australia, but it believes that several groups and bad actors are involved in this attack chain.

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  • First Android Phone Ransomware that Encrypts your SD card Files

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    We have seen cybercriminals targeting PCs with Ransomware malware that encrypts your files or lock down your computer and ask for a ransom amount to be paid in a specified duration of time to unlock it.
    To deliver the Ransomware malwares to the mobile devices, cyber criminals have already started creating malicious software programs for android devices. Last month, we reported about a new Police Ransomware malware that locks up the devices until the victims pay a ransom to get the keys to unlock the phone. But, the malware just lock the mobile screen and a loophole in the its implementation allowed users to recover their device and data stored on SDcard.

    Now, in an effort to overcome this, threat actors have adopted encryption in the development of mobile Ransomware malwares. Recently, the security firm ESET has discovered a new Android ransomware, dubbed as Android/Simplocker.A, that has ability to encrypt the files on the device SD card and then demand a ransom from the victim in order to decrypt those files.

    Once installed, the malware scans the SD card for certain file types such as image, document or video with extensions – jpeg, jpg, png, bmp, gif, pdf, doc, docx, txt, avi, mkv, 3gp, mp4 and encrypts them using AES in a separate thread in the background. After encrypting the files, the malware displays the following ransom message, written in Russian, which clearly means that this threat is targeting Russian Android users.

    “WARNING your phone is locked!
    The device is locked for viewing and distributing child pornography , zoophilia and other perversions.
    To unlock you need to pay 260 UAH.
    1.) Locate the nearest payment kiosk.
    2.) Select MoneXy
    3.) Enter {REDACTED}.
    4.) Make deposit of 260 Hryvnia, and then press pay. Do not forget to take a receipt!
    After payment your device will be unlocked within 24 hours. In case of no PAYMENT YOU WILL LOSE ALL DATA ON your device!”

    The Ransomware malware directs victim to pay the ransom amount i.e. 260 UAH, which is roughly equal to $21 US, through the MoneXy service, as this payment service is not easily traceable as the regular credit card.

    mobile virus

    To maintain anonymity the malware author is using the Command-and-Control server hosted on TOR .onion domain and the malware sends the information of the infected device such as IMEI number to its server. The researchers at ESET are still analysing the malware:

    “Our analysis of the Android/Simplock.A sample revealed that we are most likely dealing with a proof-of-concept or a work in progress – for example, the implementation of the encryption doesn’t come close to “the infamous Cryptolocker” on Windows.”

    The researchers have found that the malware is capable to encrypt the victim’s files, which could be lost if the decryption key is not retrieved from the malware author by paying the ransom amount, but on the other hand the researchers strongly advise users against paying fine, as their is no guarantee that the hacker will provide you decryption keys even after paying the amount.
    Unfortunately, mobile antivirus products are only capable to detect such known/detected threats only and can’t detect similar the new threats. So, it is important for you to always keep the back-up of all your files either manually on the computer system or use cloud backup services like dropbox, google drive etc, in order to protect it from the emerging threats.

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  • New Malware goes viral spreading through Facebook Messages

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    Facebook Malware threat

    In yet another method for cyber criminals to utilize the world’s most popular social networks for their own nefarious purposes, it appears a trojan is circulating through Facebook, stealing accounts and (probably) taking creds.

    Thanks to the vigilant mind of Malwarebytes User, Showbizz, we were able to take a look at this new threat and what it could mean for the rest of the net.

    Here is how it works:

    1. User gets a Facebook instant message from a friend of their’s, which includes the words ‘lol’ and a file waiting to be downloaded.
    2. The user downloads the file because they can assume it can be trusted.  The filename matches the usual filename of a photo: ‘IMG_xxxx’.zip.
    3. Once downloaded, the user unzips the file and clicks on what they assume is an image file, still called IMG_xxxx.jar
    4. The JAR file executes, downloads malware and infects the system.
    5. The infected users Facebook account is compromised and then used to send more malware to the users friends.

    Unlike previous versions of this scam, it is almost like the cyber criminals decided to make an amalgam of different infection tactics to obtain the normal goal.

    The first is the use of instant messaging, we have seen plenty of malware use instant messaging in various forms to send malicious files to victims, including Skype, MSN, Yahoo, etc.

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  • AOL hit by massive data breach, Urges users to change their passwords

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    AOL hit by massive data breach

    The personal details of AOL’s millions of customers has been leaked in an attack on the company’s systems, resulting in thousands of accounts being hijacked to send spam.
    Internet pioneer AOL has warned of a major breach that has affected a significant number of users, leaking email and postal addresses, contact information and password details to attackers unknown.

    AOL launched in 1983 as the Control Video Corporation and produced a short-lived modem-based gaming download service for the Atari 2600 dubbed GameLine. The precursor to Valve’s Steam and similar digital distribution systems, GameLine was not a financial success; the company had better luck with the Link series of online portals for the Commodore 64, Apple II and Macintosh, and IBM compatibles. In 1989, America Online was born as a walled-garden internet service which included chat, email and several games – including the first-ever web-based interactive fiction series and the first automated play-by-email game.

    While internet-savvy consumers soon dropped AOL’s walled-garden system for more open services from generic internet service providers, the company still boasts a considerable client base. Despite an ongoing slide in customers, the company boasts a near three-million user count in the US alone – and it’s these customers who have been exposed in a serious security breach.

    ‘We have determined that there was unauthorised access to information regarding a significant number of user accounts,’ the company admitted late last night, following an investigation into spam messages sent from registered AOL accounts. ‘This information included AOL users’ email addresses, postal addresses, address book contact information, encrypted passwords and encrypted answers to security questions that we ask when a user resets his or her password, as well as certain employee information. We believe that spammers have used this contact information to send spoofed emails that appeared to come from roughly two per cent of our email accounts.’

    The company has not confirmed the nature of the ‘encryption’ used to store the passwords – which should, by industry best practice, be a salted one-way hash function, rather than reversible encryption – but does claim that it has ‘no indication’ that said encryption was broken; this despite the attackers gaining full access to the accounts from which spam is issuing, an indication that they have indeed been able to retrieve at least some passwords from the corpus.

    Users affected by the breach – and, at this point, it looks to cover anyone with an AOL email address, active or otherwise – is advised to reset their password and change their security questions; if the same password is used anywhere else, that should be changed too.

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  • New Zero Day Vulnerability Found In Internet Explorer All versions

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    A new zero-day vulnerability that resides in all versions of Internet Explorer has been spotted in the wild, Microsoft confirmed late Saturday.

    The vulnerability, which could allow remote code execution, is being used in “limited, targeted attacks,” according to an advisory issued by Microsoft. While all versions of the web browser, IE 6 through 11, are affected by the vulnerability, attacks are currently targeting IE versions 9, 10 and 11, according to security firm FireEye, which first reported the flaw Friday.

    The attack leverages a previously unknown “use after free” vulnerability — data corruption that occurs after memory has been released — and bypasses both Windows DEP (data execution prevention) and ASLR (address space layout randomization) protections, according to FireEye.

    The vulnerability is currently being exploited by a group of hackers targeting financial and defense organization in the US, FireEye told CNET.

    “The APT [advanced persistent threat] group responsible for this exploit has been the first group to have access to a select number of browser-based 0-day exploits (e.g. IE, Firefox, and Flash) in the past,” FireEye said. “They are extremely proficient at lateral movement and are difficult to track, as they typically do not reuse command and control infrastructure.”

    FireEye said the flaw was significant because it affects more than a quarter of the total browser market.

    “Collectively, in 2013, the vulnerable versions of IE accounted for 26.25% of the browser market,” FireEye said in its advisory.

    An attack could be triggered by luring visitors to a specially crafted web page, Microsoft explained.

    “The vulnerability exists in the way that Internet Explorer accesses an object in memory that has been deleted or has not been properly allocated,” Microsoft said. “The vulnerability may corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user within Internet Explorer.”

    Microsoft said it is investigating the vulnerability and may issue an out-of-cycle security update to address the issue.

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  • Linux Worm targets Internet-enabled Home appliances to mine Cryptocurrencies

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    Could a perfectly innocent looking device like router, TV set-top box or security cameras can mine Bitcoins? YES! Hackers will not going to spare the Smart Internet-enabled devices.

     

    A Linux worm named Linux.Darlloz, earlier used to target Internet of Things (IoT) devices, i.e. Home Routers, Set-top boxes, Security Cameras, printers and Industrial control systems; now have been upgraded to mine Crypto Currencies like Bitcoin.

    Security Researcher at Antivirus firm Symantec spotted the Darlloz Linux worm back in November and they have spotted the latest variant of the worm in mid-January this year.

    Linux.Darlloz worm exploits a PHP vulnerability (CVE-2012-1823) to propagate and is capable to infect devices those run Linux on Intel’s x86 chip architecture and other embedded device architectures such as PPC, MIPS and MIPSEL.

    The latest variant of Linux.Darlloz equipped with an open source crypto currency mining tool called ‘cpuminer’, could be used to mine Mincoins, Dogecoins or Bitcoins.

    Symantec Researchers scanned the entire address space of the Internet and found 31,716 devices infected with Darlloz. “By the end of February 2014, the attacker mined 42,438 Dogecoins (approximately US$46 at the time of writing) and 282 Mincoins (approximately US$150 at the time of writing). These amounts are relatively low for the average cybercrime activity so, we expect the attacker to continue to evolve their threat for increased monetization.” Kaoru Hayashi, senior development manager and threat analyst with Symantec in Japan.

    Major infected countries are China, the U.S., South Korea, Taiwan and India.

    Darlloz hack malware

    Crypto Currency typically requires more memory and a powerful CPUs, so the malware could be updated to target other IoT devices in the future, such as home automation devices and wearable technology.A Few weeks back, Cisco has announced a global and industry-wide initiative to bring the Security community and Researchers together to contribute in securing the Internet of Things (IoT) and launched a contest called the “Internet of Things Grand Security Challenge“, offering prizes of up to $300,000 for winners.

    Users are advised to update firmware and apply security patches for all software installed on computers or Internet-enabled devices. Make sure, you are not using default username or password for all devices and block port 23 or 80 from outside if not required.

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  • Ex-Microsoft employee charged with leaking trade secrets

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    Allegedly gave pre-release Windows info to a blogger.

    A former employee of Microsoft is facing criminal charges after he allegedly passed trade secrets to a blogger in France, US court documents showed.

    Russian national Alex Kibkalo, a former Microsoft employee in Lebanon and Russia, admitted to Microsoft investigators that he provided confidential company documents and information to the blogger, documents from a Seattle federal court showed.

    The blogger, who was not identified, was known to those in the Microsoft blogging community for posting screenshots of pre-release versions of the Windows operating system. The blogger hid his identity stating falsely that he was from Quebec, according to the documents.

    An internal investigation by Microsoft revealed unauthorised transmissions of proprietary and confidential trade secrets, according to the court documents. An email from Kibkalo was found within the blogger’s Hotmail account, establishing that he shared confidential data.

    “We take protection of our intellectual property very seriously, including cooperating with law-enforcement agencies who are investigating potential criminal actions by our employees or others,” a Microsoft spokesman said in a statement.

    A lawyer representing Kibkalo could not be reached for comment immediately.

    The court documents said during interviews, the blogger admitted to posting information on Twitter and his websites and selling Windows Server activation keys on eBay.

    According to Microsoft’s investigation, in July and August 2012, Kibkalo uploaded proprietary software including pre-release software updates of Windows 8 RT, as well as the Microsoft Activation Server Software Development Kit (SDK) to a computer in Washington and subsequently to his personal Windows Live SkyDrive account.

    Kibkalo, who worked with Microsoft for seven years, received a poor performance review in 2012 and threatened to resign if the review was not amended, the documents showed.

    According to an FBI agent who was part of the investigation, Kibkalo has relocated to Russia and based on a LinkedIn account, he is currently working for another US-based technology company with offices in Moscow and St. Petersburg.

     

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  • Google DNS servers suffer brief traffic hijack

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    Are security measures enabled?

    Traffic to Google’s commonly used public DNS service was rerouted over the weekend, meaning all traffic with Domain Name System resolution queries destined for Google’s servers ended up at a Venezuelan network instead.

    UK telco BT’s Latin America division in Venezuela became the destination for the IP address range used by Google, in a phenomenon known as BGP (border gateway protocol) hijacking, according to monitoring firm BGPmon.

    The rerouting affected networks in that country and Brazil for 22 minutes, BGPMon said.

    Why BT Latin America was able to announce the incorrect traffic routing despite Google’s security measures to protect against hijacking isn’t known. iTnews has put in queries with both BGPMon and BT LATAM.

    BGP traffic hijacking is on the rise, according to internet performance metrics analyst firm Renesys, which last year noted that over a period of two months, around 1500 IP address blocks were rerouted. Several were in Australia.

    Google’s 8.8.8.8 and 8.8.4.4 (IPv6: 2001:4860:4860::8888 and 2001:4860:4860::8844) free public DNS resolvers were set up in 2009 with the aim to provide better performance for queries, as well as improved security.

    They are said to fully support DNSsec security policies and validation, but it is not clear whether the routers for the servers’ network support resource public key infrastructure (RPKI) for BGP.

    These security measures provide route origination authorization objects (ROAs) that specify which autonomous systems can announce routes for certain IP address prefixes

    A query by iTnews at whois.bgpmon.net for the ROA for the 8.8.8.0/24 network range did not produce any result, suggesting there is no policy in place to prevent BGP hijacking through wrong unauthorized announcements.

    Google’s free and open DNS infrastructure is very popular with users around the world. Last year, Google said its public DNS servers answer 130 to 150 billion queries a day from 70 million unique IP addresses.

    Similar large numbers were seen in a test by Geoff Huston at the Asia-Pacific Network Information Centre (APNIC) using just under 2.5 million clients. That test showed 7.2 percent had queries passed on to authoritative name servers from Google’s DNS service.

     

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  • Windows 8 had more vulnerabilities than previous versions of Windows

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    Microsofts Windows 8 platform has been tagged by security research firm Secunia as being the most vulnerable Windows platform on the market….according to their research, Windows 8 had more vulnerabilities than previous versions of Windows that are currently supported by Microsoft for 2013….the answer is quite simple; Flash. Because Flash is now baked into the modern instance of IE, any Flash vulnerability can now be tied into Windows 8 as well.

    flashwin8.png

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  • Android iBanking Trojan Source Code LEAKED ONLINE

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    Smartphone is the need of everyone today and so the first target of most of the Cyber Criminals. Malware authors are getting to know their market and are changing their way of operations. Since last year we have seen a rise in the number of hackers moving from the Blackhat into the Greyhat.

     

    iBanking, a new mobile banking Trojan app which impersonates itself as an Android ‘Security App‘, in order to deceive its victims, may intimidate a large number of users as now that its source code has been leaked online through an underground forum.

    It will give an opportunity to a larger number of cybercriminals to launch attacks using this kind of ready-made mobile malware in the future.

     

    Since many banking sites use two-factor authentication and transaction authorization systems in order to deal with the various threats, by sending unique one-time-use codes to their customers’ registered phone numbers via SMS, but in order to defraud them, cyber criminals have started to create various mobile malware like iBanking to solve their purpose.

     In addition, with the iBanking malware, Computer malware is used to defeat the mobile-based security mechanisms used by the banking sites.

    “Apart from the server-side source-code, the leaked files also include a builder that can un-pack the existing iBanking APK file and re-pack it with different configurations, essentially providing fraudsters with the means to create their own unique application,” added Daniel Cohen.

    In addition to SMS Sniffing, the iBanking app allows an attacker to redirect calls to any pre-defined phone number, capture audio using the device’s microphone and steal other confidential data like call history log and the phone book contacts.

    During the installation process, the malicious app attempts to Social Engineer the user into providing it with administrative rights, making its removal much more difficult.

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