But what essexboy says is valid of course, then don't forget there is a whole lot more in connection with hjt, there are special removal tools and tools to evaluate certain malware infections (general and special), there is process explorer, there is dotomyco, StartDreck, toolbarcop, brute force uninstallers, dependency walker, etc. Every malware fighter has a range of these specific tools and tweakers to put the malware at bay.
So what we always say, and is much more important. See to it that you do not get infected in the first place. Use multi layered protection and in browser security, sane surfing habits, you can read enough about that here on this forum!
You know that when you do RIAA-risky-P2P-ing you are prone to end up with a "nicely" infested system to teach you in a subtle way not to do such illegal* things ("*as they see it"). Then don't do these things, or do it in such a clever way that you are no victim, or not caught out
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Security is much more of an attitude than that it is a science,
Stay malware free,
polonus (malware fighter)