If your problem still persists
Please download the trial version of Ewido Security Suite here:
http://www.ewido.net/en/download/Install it, and update the definitions to the newest files. Do NOT run a scan yet.
Next, please reboot your computer in Safe Mode by doing the following:
1) Restart your computer
2) After hearing your computer beep once during startup, but before the Windows icon appears, press F8.
3) Instead of Windows loading as normal, a menu should appear
4) Select the first option, to run Windows in Safe Mode.
Once in Safe Mode, please run Ewido, and run a full scan. Save the logfile from the scan.
Next please run HijackThis, click Scan, and check:
Restart your computer in normal mode and please post a new HijackThis log, as well as the log from the Ewido scan.