That virus is going around msn.
You can delete it, but what it does is sends itself to every member of your contacts list.
delete any suspicions files in the my recieved. It is usually a msdos looking file. All you do is open your msconfig and disable all startup items, then restart, and delete the file.
AMD Athlon 64 3000+ 1.8
40GB Hard Drive
Windows XP Home Service Pack 2
512 MB DDR
GeForce4 440 Go 64M