Worm/Klez.E takes top billing again in July after several months of slipping in the monthly Dirty Dozen. The report, issued by Central Command`s Emergency Virus Response Team, highlights the top 12 viruses.
Ranked according to most prevalent first, the viruses were:
- Worm/Klez.E (19.2% of occurrences)
- Worm/Sobig.E (17.9%)
- Worm/BugBear.B (17.6%)
- Worm/Sobig.A (6.6%)
- Worm/Sobig.C (4.2%)
- Worm/Sircam.A (2.9%)
- Worm/Ganda (1.8%)
- Worm/Hawawi.E (1.6%)
- W32/Funlove.4099 (1.5%)
- Worm/Avril.A (1.2%)
- W32/Yaha.E (1.2%)
- W32/Nimda (1%)
- Others (23.3%)
Steven Sundermeier, product manager of Central Command, says Worm/Klez.E`s occurrences are "unparalleled to any past Internet worm. It continues to show extraordinary staying power and has been the most prevalent virus according to Central Command`s tracking.
"Fortunately, July 2003 saw no new significant virus outbreaks. The only minor noise produced was for the Worm/Gruel family. However, several attempts by the author to proliferate its creation proved unsuccessful," Sundermeier says.
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