Get (and use) the following free programs:
(Make sure you get the latest updates for each program before you scan.)
(Other posts on this site recommend renaming the file to zztoy.exe before saving it to your desktop)
If SUPERAnti-Spyware, Malwarebtes' Antimalware, find/fix infections, you may want to delete your restore points (to ensure there are no infected restore points). To delete all restore points, go to Control Panel, System, System Restore tab, put a checkmark in "Turn Off System Restore" and hit Apply.
If you don't already have/use CCleaner, it is a good program, and it's free. Take the tour, see what the program does, look at the screen shots. It not only cleans your computer, it also has a Registry tool that will check for/fix registry errors, and it also has an "uninstall programs" tool and a "startup" tool (that you can use to stop bad things from running on boot).
The website for CCleaner is: http://www.ccleaner.com/
Run an online scan with Kapersky:http://www.kaspersky.com/kos/eng/partner/d...kavwebscan.html
(After you get all of this fixed, you will probably want to turn System Restore back on. To turn System Restore back on, go to Control Panel, System, System Restore tab, click to take the checkmark out of "Turn Off System Restore" and hit Apply. Then hit OK to close. )
Please report back with the results of the scans and whether you are still experiencing symptoms of infection.