Just to respond to your last post, that I did not see, the hackers are constantly changing their junk to keep us from being able to remove it. Some stuff is so bad, only a reformat takes care of the issues and some of the rootkits are so dangerous that the computer can not be trusted again without a reformat. In your case, the infection is all about the $$$.
If you read the links I provided, you should know they belong in jail and for a long time. Having said this, if your computer is back to normal, you can ignore the instructions to run the AVG Anti-Spyware scan, unless you want a good final check for malware. your call.
Thanks
let's do this now: System Restore does not know the good files from the bad. In case bad stuff has gotten into your System Restore files, follow the instructions in this link to get clean System Restore files. Turn it off, reboot then turn it back on: