Ad Aware-> Spybot or SpySweeper will catch these in time and clean them up!
As for this folder
C:\WINDOWS\SYSTEM32\SBUtils
WindowEnhancer-> May be an entry in Add\Remove Programs!
This may have been overlooked by me in earlier post!
Just delete that folder and remove the entry from add\remove if it exist!
Also search the System for winex.exe<- Thats the file I think I missed!