Definately don't be buying that, that is spamware to begin with!
Run some online free scanners

http://trendmicro.com/spyware-scan/
http://www.zonelabs.com/store/conten...d=home_scanner
http://www.spywareguide.com/onlinescan.php
http://housecall.trendmicro.com/
http://www.eset.com/onlinescan/

etc