The 2002 Virus Hall Of Fame

1) The most tenacious virus: Klez.I (W32/Klez.I). From April to October the 'I' variant of Klez topped the rankings of the most frequently detected viruses by Panda ActiveScan. Its success was due in part to its use of what has been dubbed social engineering, techniques for tricking users into running the files that carry the virus, and its use of a vulnerability in Microsoft Internet Explorer to run automatically when viewed in the Preview Pane.

2) The most damaging virus: Opaserv.L (W32/Opaserv.L). Variant 'L' of Opaserv spreads via the Internet and is capable of deleting the CMOS and the content of the hard disk of the computers it infects.

3) The most unscrupulous virus: Prestige (W32/Prestige), an e-mail worm that exploits the recent environmental disaster in northern Spain to trick users into installing this worm in their computer.

4) The oldest virus: Nimda (W32/Nimda). Since it first appeared in September 2001, it has continued to make the rankings of the Top Ten most frequently detected viruses by Panda Software's free, online antivirus.

For further information about these and other viruses, visit Panda Software's Virus Encyclopedia at:
http://www.pandasoftware.com/virus_info/ encyclopedia/

This excerpt is reprinted with permission from Panda Software free daily dispatch "Oxygen3 24h-365d"

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