New IM Worms Delete Files, Hijack PCs
An anti-virus vendor warned Tuesday that two new worms spreading on Microsoft's and America Online's instant messaging networks delete files and leave systems open to hijacking.
Symantec posted alerts for the "Hotmatom" and "Maniccum" worms, and ranked both as a level "2" threat. The Cupertino, Calif.-based security company uses a 1 through 5 scale to label worms, viruses, and Trojans.
Hotmatom, said Symantec, is a Spanish-language worm transmitted over Microsoft's MSN instant messaging network. A message arrives, seemingly from a trusted IM contact, that claims a "very dangerous virus" (virus muy peligroso) has been detected, and offers a link to a free patch. Clicking on the link, however, actually installs the worm. Security Pipeline | New IM Worms Delete Files, Hijack PCs
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