Make sure your system is up to date and has the latest protections in place.

1. AVG anti-virus: 10/26/08
2. Avast: 10/25/08
3. Norton anti-virus: 10/22/08
4. McAfee anti-virus: 10/22/08
5. Lavasoft Ad-Aware: 10/24/08
6. Spybot Search and Destroy: 10/22/08
7. Microsoft Windows Defender: 10/22/08
8. Nod32: 10/21/08

Updates as of October 26.  2008 6:00am CDT.