I have to put in a good word for a rogueware remover that actually works — It’s from MalwareBytes, and it’s free (although the Pro version, which provides realtime protection, costs money). It’s called RogueRemover FREE.
Although I haven’t personally tested it myself (I’m not going to infect my computer, and mom would not be very happy if I used hers), I suggested it to someone else who had rogueware and she says it worked.
Note: Rogueware is a malware pretending to be an antivirus or spyware remover. It often gives you results to trick you into buying a software which essentially does nothing. It’s also hard to remove. Very hard. For an example of one, check out the Wikipedia article on WinFixer.
A few hours later: I found another article about this — here it is.