Stealth Worm Attacking Yahoo Messenger Users with Impressive Speed

With a high infection rate of 500 percent per hour, a variant of an existing worm is attacking Yahoo Messenger users with impressive speed.

The worm, known as Palevo, W32.Yimfoca or W32.Ymfocard.fam.Botnet, depending on antivirus software, is known to infect the PCs of Yahoo Messenger users and continue to spread via IM to friends and family on their Buddy Lists.  Read More