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Download and install SUPERAntiSpyware Home Edition (free)
Once installed, update the program definitions when prompted.
Click the "Preferences" button and then the "Scanning Control" tab.
Under "Scanner Options" make sure the following are checked/selected:
Close browsers before scanning.
Scan for tracking cookies.
Terminate memory threats before quarantining.
Ignore System Restore/Volume Information on ME and XP.
Deselect all other scanning options.
Close SUPERAntiSpyware for use later.

Please reboot your computer and enter Safe Mode (tap the F8 key just before Windows starts to load, then select Safe Mode).

Open SUPERAntiSpyware and click the "Scan your computer" button.
On the left, select "C:\Fixed Drive".
On the right, under "Complete Scan", choose "Perform Complete Scan".
Click "Next" to start the scan. Please be patient while it scans your computer.
After the scan is complete a summary box will appear. Click "OK".
Make sure everything in the white box has a check next to it, then click "Next".
After quarantining anything found, you may be prompted to reboot, click "Yes".

Reboot back into Normal Mode...

Now Re-scan with HijackThis and post the new log and the SUPERAntiSpyware Log.