my advise is once you get infected with any spyware / malware / rootkit then the best and safest way is to format hard disk and do a clean fresh install this way you are definitely sure you won't leave any traces of the malicious codes behind. but a fresh reformat and reinstall takes a lot of time especially if you have other software installed too like Adobe or Office

I always play safe meaning I have a Windows work computer which is very secure. I won't simply copy files to it from any USB drive or CD and I only surf 100% trusted websites. this computer i will use to access all my confidential data like paypal, liberty reserve, bank accounts & others

But for play play, I have another computer which use Linux to surf those cheap and untrustable websites. because eventhough I am infected, the Linux platform will easily cope with it. some malwares like to infect windows platform but did not manage to infect Linux