Spybot S&D is a good cleaner for this one.
I update and run Spybot S&D and Lavasoft Ad-Adware about once a week, and run my Webroot Window Washer every night on 7-pass bleach. My “resident” AV programs are the McAfee that comes free with Comcast and Webroot Spysweeper.
I never have any problems.