The Security Mentor

Your antivirus software may try to remove the virus. Doing that right gets harder all the time. Getting a cleverly written virus off your system for good can challenge the best antivirus software.

My recommendation would be to copy all your important personal data and then erase the machine and start over. Writer John Leyden at The Register takes a more optimistic view in his article about how to detect and remove a virus or worm. He also has some good tips about staying out of trouble in the first place.