http://www.eweek.com/article2/0,1759,1638184,00.asp

Security researchers have identified a new version of the Download.Ject attack that is now being used on the Internet and can compromise fully patched Windows XP machines.
The new version of the attack just appeared Thursday afternoon, and while details are still sketchy, experts say its main purpose is to install a back door on compromised PCs. Users victimized by the attack receive an e-mail or an instant message containing a link directing them to a malicious Web page.
Let's home noone gets compromised while waiting for a fix