A new variant of the mass-mailing Sober worm has been discovered and is spreading among consumer PC users. Sober.P, which operates in a similar fashion to other Sober worms, uses a subject header... More...

Another variant of the ubiquitous Bagle worm is now making its way across the Internet, flooding in-boxes with infected Zip files. The newest member of the Bagle family, named Bagle.AQ, arrives via an e-mail message... More...

Another new version of MyDoom is worming its way through the Internet, and this variant—like the last one—uses Yahoo as part of its infection routine. MyDoom.P is similar to most of the other MyDoom variants... More...

A new version of the MyDoom worm has appeared (MyDoom.m/MyDoom.o). This worm has quickly flooded mailboxes, and has slowed down several search engines. Such as Yahoo, AltaVista, Lycos, and even Google. McAfee... More...

A series of new variants of the prolific Bagle worm has raised alarms in the security community through an innovative infection mechanism: The e-mail message in which the variants arrive may have no file attachment,... More...

The latest variant of the Mydoom virus, discovered Friday, is still spreading and actively deleting files from victims' computers, security researchers warned Wednesday. The variant, dubbed Mydoom.F, not only tries to perform a distributed denial-of-service... More...