Sobig worm keeps on growing



The latest variant of the Sobig computer virus picked up speed on Tuesday, ZDNet reports.

Nearly 32,000 e-mail messages were blocked by e-mail service provider MessageLabs' mail gateway in the last 24 hours. The surge in e-mail messages containing the worm pushed Sobig.C to the top position on the U.K. company's list of most prevalent threats.

Sobig.C is the third variant of the Sobig worm. It infects Windows 95, 98, Me, NT, 2000 and XP systems when users open an attachment after receiving an e-mail generated by the program.

The e-mail appears to come from or another spoofed e-mail adress, perhaps the adress of someone you know. The e-mail contains any of the following subject lines:

Re: Movie
Re: Submited (004756-3463)
Re: 45443-343556
Re: Approved
Re: Your application
Re: Application