Download FxAgentB.exe from click here and save it to your desktop. After downloading, double-click the FxAgentB file to run it and the program will scan your entire hard drive - this may take a while. When it is done, it will generate a log file called FxAgentB.log - save that information as you will need to paste it here later. Reboot when done.
Next click click here to download CWShredder by Merijn Bellekom and run it, hit 'fix' as opposed to 'scan only'.
Then click click here to download Ad-Aware SE and install. Before scanning click on "check for updates now" to make sure you have the latest reference file. Click "Start", select "Perform Full System scan" and "Next" to start the scan. When the scan is finished, the screen will tell you if anything has been found, click "Next". The bad files will be listed, right click the pane and click "Select all objects" - this will put a check mark in the box at the side, click "Next" again and click "OK" at the prompt "# objects will be removed.