As per title, i've been doing some snooping around with various spyware progs and the like after discovering the traces of
Xupiter on my system, I've done a system check using Spybot S&D, spywarebalster and the likes, they come back as clean

then I've done scans using
spyferret and another prog that i cant think of, they come back with hordes of things 2 of which were critical / servre
So as per question is there a good free cleaner for registry items that are spyware specific and as for spyware, why is stuff still getting through ??
TIA, gotta go out now, check back asap