They didn't come with your Pro, they are duplicates of the zip file that you downloaded and because that virus spreads via duplication that's where they have come from...
I have never actually had a virus, hence I cannot explain exactly what you need to do with the BFU fix except that it has worked for just about everyone that has used it...
Your best bet is to do a highjack this log and go to one of these site's and get advice from there....They know exactly what to do in these circumstances....
http://www.bleepingcomputer.com/
http://forums.spywareinfo.com/index.php?showtopic=79038
http://www.castlecops.com/HijackThis.html

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You die for nothing...