Let the smoke out.
Did you try housecall? Works better on viruses than spyware, but you never know:
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When I have spyware that Ad-Aware doesn't catch, I got through all the running processes, and search the web for any I don't immediately recognise (also look closer at the ones you do recognise, because it could be spyware pretending to be a valid process). If you search google groups for a file, and that file is associated with spyware, you will usually find out right away.