Boot into safe mode and run malware bytes as well as any other online scanners.
I just finished trying that, downloaded the premium trial, and these are the things I was suggested to try out; Malwarebytes, Spybot S&D, AdAware, Superantispyware and just the free AVG. I've tried all of these and it still seems that I have it.
If you go to someones house and they don't have any books, don't sleep with them.