Pay a couple of bucks and save yourself the virus hassle.
Do you have a virus protection system up and running, and do you update it regularly? It should have nipped the virus when it arrived.
AVG Free edition updates itself, as does Avast. Avast also runs in real time, so you don't have to schedule a scan time (like you do with AVG).
"When I think of Mick Jagger still singing that he can't get any satisfaction in over forty years of being in the Rolling Stones, I have to conclude that he's either lying or not all that bright." -- Henry Rollins