There is a new ad-aware out 5.8 give that a try?? Or try this if you don't already have it
http://www.wilderssecurity.com/B3DKiller.html
But none the less a good up to date hosts file
http://www.accs-net.com/hosts/ should stop it as with some other things that Ad-aware also misses from time to time. May have to manually add w*w.brilliantdigital.com