High Speed Chaser's standard virus reply.
Here are some free anti-viruses that you can download (in no particular order).
Please note you should only have one resident anti-virus program
Or try either of these free online scanners
You can also try Anti-Malware programs like
Preventer Programs can also be useful
All are Free at time of post.
Remember the best virus defence is common sense and
always check with your contact!
A combination of 2 programs from the third list and 1 from the top list should be sufficient to remove the virus and protect the computer in the future.
Try running in safe mode and make sure system restore is disabled before running a scan.