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Central Command's Top 12 Viruses

Posted: 30th Apr, 2003 By: MarkJ
Anti-Virus firm Central Command has issued its list of the top 12 (Dirty Dozen) online virus infections for April 2003, which appears to show a slight slip for our old friend Klez:

Central Command Releases Its Dirty Dozen - Top 12 - Viruses For April 2003

Central Command, a leading provider of PC anti-virus software and computer security services today released its monthly listing of the top twelve viruses reported for April, 2003. The report, coined the "Dirty Dozen", is based on the number of virus occurrences confirmed through Central Command's Emergency Virus Response Team.

The table below represents the most prevalent viruses for April 2003, number one being the most frequent.

Ranking. Virus Name - Percentage
1. Worm/Klez.E (includes G) 18.7%
2. W32/Yaha.E 8.9%
3. Worm/Yaha.M 7.5%
4. Worm/Sobig.A 6.1%
5. Worm/Lovegate.F 5.4%
6. Worm/Sircam.A 5.0%
7. W32/Funlove 3.4%
8. W32/Nimda 2.8%
9. W32/Elkern 2.7%
10. Worm/Bugbear 2.5%
11. Worm/Ganda 1.8%
12. Worm/Yaha.L 1.6%
Others 33.6%

"Since its discovery last April, Worm/Klez.G (detected as Worm/Klez.E) has dominated our Dirty Dozen report. However, we were very pleased to see the total number of infections drop to its lowest levels since the inception of the virus," said Steven Sundermeier, product manager of Central Command, Inc. "Computer users are finally beginning to understand the importance of maintaining up-to-date virus protection. This is paying off in higher dividends for them, but there is still a lot of room for improvement." Worm/Klez.G accounted for 18.7% of all total virus infection reports for April 2003, one year ago (April 2002), it accounted for an astounding 79.2%.

Two new viruses debuted in the Dirty Dozen, Worm/Lovegate.F (#5) and Worm/Ganda (#11). Worm/Lovegate.F is a network aware Internet worm that used many different body messages to deceive unknowing email users into running it, "Tiger Woods had two eagles Friday during his victory over Stephen Leaney. (AP Photo/Denis Poroy)" is one such example. Worm/Ganda is an Internet worm socially engineered to capitalize on the world's current interest in the events of the Middle East. One of the randomly selected body messages claimed the attachment was a screensaver containing pictures taken by one of the US spy satellites during a mission over Iraq.

Vexira Antivirus has been updated for 860 different viruses, worms and other malicious applications during the month of April 2003.


It’ll be interesting to see whether Klez has slipped in the charts of Sophos and MessageLabs tomorrow.
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