I use this lil program its free and it looks for spyware and adware and it'll tell ya where they are hiding at in the reg and how to get rid of them
http://www.kephyr.com/spywarescanner...ource=appvisit
That and AVG antivirus save my ass alot and it has a free ver I use.But I'm thinkin about buying the pay ver simply as supporting a good product.
http://www.grisoft.cz/us/us_index.php