Ive used this removal tool before and copied the instructions from the afterdawn forum
Download
SDFix and save it to your Desktop.
Double click SDFix.exe and it will extract the files to %systemdrive%
(Drive that contains the Windows Directory, typically C:\SDFix)
Please then reboot your computer into Safe Mode by doing the following:
• Restart your computer
• After pressing the power button, repeatedly tap the F8 key.
• Instead of Windows loading as normal, the Advanced Options Menu should appear;
• Select the first option, to run Windows in Safe Mode, then press Enter.
• Choose the administrator's account.
• Open the extracted SDFix folder and double click RunThis.bat to start the script.
• Type Y to begin the cleanup process.
• It will remove any Trojan Services and Registry Entries that it finds then prompt you to press any key to Reboot.
• Press any Key and it will restart the PC.
• When the PC restarts the Fixtool will run again and complete the removal process then display Finished, press any key to end the script and load your desktop icons.