The MyDoom virus, which has today just started hitting peoples mailboxes. This virus is also known as W32.Novarg.A@mm or WORM_MIMAIL.R.
This is the fastest propogating virus ever. My systems have deleted hundreds of copies of it today alone. It opens up your computer to remote control, and is set to launch an attack against SCO on Feb 1.
Be carefull opening mail which contains techincal looking text, such as:
The message contains Unicode characters and has been sent as a binary attachment.
The message cannot be represented in 7-bit ASCII encoding and has been sent as a binary attachment.
DO NOT open up the attachment! To be safe, update your virus scanners defninitions and scan your computer.
More info and cleaning instructions at: