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

1. AVG anti-virus: 01/04/09
2. Avast: 01/03/09
3. Norton anti-virus: 12/31/08
4. McAfee anti-virus: 12/31/08
5. Lavasoft Ad-Aware: 12/29/08
6. Spybot Search and Destroy: 12/30/08
7. Microsoft Windows Defender: 12/31/08
8. Nod32: 01/02/09

Updates as of January 4.   2009 6:00am CDT.