Dr. Web CureIt: freeware scanner for anti-virus/malware
Clif Notes Newsletter has a review of the Dr. Web CureIt scanner, with a link to it.
A scanner is different from a regular anti-virus in that it runs only when you say, and only once. It doesn’t normally scan all your incoming stuff. If you suspect you might have an infection, or just want to take the precaution on a regular basis, it can be helpful.
