Sunday, March 7, 2010

Malwarebytes Anti-Malware Update USA, LLC

Malwarebytes Anti-Malware Update, originally uploaded by barisss.

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BitDefender, an anti-malware security solutions provider, announced January's Top Ten E-Threats.

Leading the way is Trojan.Clicker.CM with 8.30 percent of the total amount of infected computers.

In a release, the Company noted that Trojan.Clicker.CM is mostly found on file sharing websites such as torrent portals, 'warez' communities and other services hosting pirated content. This Trojan is a small script which forces advertisements in your browser. While some of the advertisements are related to free online games, others may expose the computer user to pornography or other types of inappropriate content.

BitDefender said at 8.17 percent, the second e-threat is Trojan.AutorunInf.Gen, a generic mechanism to spread malware using removable devices such as flash drives, memory cards or external hard-disk drives.

Ranking third is Win32.Worm.Downadup.Gen responsible for 6.18 percent of the global infections. Exploiting a Microsoft Windows vulnerability, this worm spreads on other computers in the local network and restricts users' access to Windows Update and security vendors' web pages. Newer variants of the worm also install rogue antivirus applications, among others. The worm's persistence after more than one year since its original appearance reveals that most users are reluctant to update both the operating system and their locally-installed anti-malware solution.

BitDefender's fourth e-threat is Exploit.PDF-JS.Gen, with 5.76 percent of the total amount of infections. This generic detection deals with malformed PDF files exploiting different vulnerabilities found in Adobe PDF Reader's Javascript engine in order to execute malicious code on users' computers. Upon opening an infected PDF file, a specially crafted Javascript code triggers the download and automatic execution of malicious binaries from remote locations.

Ranking fifth with 4.30 percent of the global infections, Trojan.Wimad.Gen.1 is mostly found on Torrent websites disguised as an episode of your favorite television series or film that has not been aired yet. These fake video files are able to connect to a specific URL and download malware, posing as the appropriate codec required for playing the file. Trojan.Wimad.Gen.1 is particularly active when box-office titles are expected to appear on file-sharing websites.

BitDefender's January 2010 Top Ten E-Threat list includes:

1 Trojan.Clicker.CM 8.30

2 Trojan.AutorunINF.Gen 8.17

3 Win32.Worm.Downadup.Gen 6.18

4 Exploit.PDF-JS.Gen 5.76

5 Trojan.Wimad.Gen.1 4.30

6 Win32.Sality.OG 2.73

7 Trojan.Autorun.AET 2.01

8 Worm.Autorun.VHG 1.69

9 Trojan.Script.254568 1.40

10 Trojan.JS.QAF 1.40

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Source Citation
"BitDefender Issues Top Ten E-Threat Report." Wireless News 8 Feb. 2010. Computer Database. Web. 7 Mar. 2010.
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