I found this fix on a websearch. Click on this link, click on save.
In the Save As box, click on the down arrow, left end of the box, and click on Desktop. You will see a file on your desktop named
Click on it to unzip it, if you have XP, and them click on the new file, Remove.exe. Run it and you should be fixed up. Disconnect from the internet and close all browser windows while you are running it.
I am suprised you antivirus let this in. If you don't have a antivirus, you can get a very good, free one, here.