Best ad ware finder at the moment. It will bring up false positives - Hubb investor- hubb charting will come up as a torrent
make sure if it find something to restart your computer after.
If you are still worried go here for advice - free and recommended by all anti viruses. Only trained people can help you.
http://www.bleepingcomputer.com/forums/
Warning :- don't google it. You are more likely going to get infected. Don't install anti virus programs with out no what it is. Go to beeping computer and use the online scanner that suggest.