Heres a crazy idea, don't get infected in the first place, know what & why your running something.
I can't recall the last time something like that happened, and I visit the darker places of the interwebs,
fileshare,ect... and yet no problems. Facbook is a great place for getting unwanted goodies.
I like Avast scanner and do check packets once in a bluemoon to check theres nothing odd coming/going.
os ->win 7 ultimate
browsers -> k-meleon, firefox -> adblock)
vuze & peerblock
CCleaner on shutdown.
or when the mood strikes>
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:126.96.36.199) Gecko/20100915 Ubuntu/10.04 (lucid) K-Meleon/1.5.4http://panopticlick.eff.org/
Your browser fingerprint appears to be unique among the 1,237,024 tested so far
Not good if your trying to keep a low profile