Have you ever had Messenger Plus? It appears you may have a LOP infection from useing that program, so...
Download and unzip to it's own folder:
http://metallica.geekstogo.com/findlop.zip
Run(Double Click) the findlop.bat which can be found in the findlop folder and post the result.
Also...
Open Hijackthis.
Click the "Open the Misc Tools" section Button.
Click the "Open Uninstall Manager" Button.
Click the "Save list..." Button.
Save it to your desktop. Copy and paste the contents into your reply.