Worst Viruses For July 2002

By SmallBusinessComputing Staff | Posted August 05, 2002
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a href="mailto:wkawamoto@earthlink.net">Wayne N. Kawamoto
Managing Editor, www.smallbusinesscomputing.com

Central Command, a provider of PC anti-virus software and computer security services, released its monthly listing of the top twelve viruses reported for July, 2002. The report is based on the number of virus occurrences confirmed through Central Command's Emergency Virus Response Team.

The list below represents the most prevalent viruses for July 2002, number one being the most frequent.


1. Worm/Klez.E (includes G variant) 57.3%

2. W32/Elkern.C 16.8%

3. Worm/W32.Sircam 4.4%

4. W32/Yaha.E 4.3%

5. W32/Nimda 2.6%

6. Worm/Frethem.L 2.2%

7. W32/Magistr.B 2.0%

8. W95/Hybris 1.6%

9. Worm/Badtrans.B 0.9%

10. W95/CIH 0.5%

11. W32/Funlove 0.3%

12. W32/Magistr.A 0.3%

Others 6.8%

Worm/Frethem.L, the new Frethem variant that arrived with the subject line "Your password!" debuted this month at number six. Also note-worthy for July, the growing list of worms exploiting security holes in the Kazaa and other file-sharing and Peer-2-Peer networks.

"In July, we finally saw a slight decrease in the number of tracked viruses from a prior month," said Steven Sundermeier product manager at Central Command. "Whether this is due to an increasing awareness of malicious code or simply because more users are on vacation and away from their computers, it's a trend we hope will continue."

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