I'm going to be a bit blunt here. I hope you're not offended.
If you want to spend $$, get
Kaspersky or
Nod32 are 2 of the best. McAfee and Norton are also effective. We try to recommend free AVs to users first, so they don't have to spend $$.
As DrWeb just cleared out a bunch of cracks and keygens, I'd recommend to you to stick with the free AVG or AVAST I already linked to, or it seems you may go searching for cracks for these AVs. Many cracks are infected, as you can clearly see.
The best AV is one that's installed and up to date. Right now you have none. The longer you wait, the greater chance you have at reinfection.
Get an AV, and a firewall, on this system, and post a new HJT log.
Here are 3 free firewalls available for personal use:
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Practice Safe Surfing
Because what you don't know, CAN hurt you.
Proud Member of ASAP since 2005
Proud Member of UNITE since 2006