Try this
Please download GooredFix from one of the locations below and save it to your Desktop
Download Mirror #1
Download Mirror #2
[*]Ensure all Firefox windows are closed.
[*]To run the tool, double-click it (XP), or right-click and select Run As Administrator (Vista).
[*]When prompted to run the scan, click Yes.
[*]GooredFix will check for infections, and then a log will appear.
Please post the contents of that log in your next reply (it can also be found on your desktop, called GooredFix.txt).