Blocking Unwanted Parasites with a Hosts File
http://www.mvps.org/winhelp2002/hosts.htm
http://www.mvps.org/winhelp2002/hosts.zip (54 kb)
http://www.mvps.org/winhelp2002/hosts.txt (239 kb)
Note: The "text" version also make a good reference for determining culprit URLs.

Regards,
Silj