Well it sounds like you have multiple problems so I suggest posting a HijackThis log in the HJT Logs and Analysis Forum. Here is a link to that Forum: HJT Forum
Please follow the preparation directions and try not to alter your system until you receive help from one of our HJT Team Members. The preparation directions are found at the following link:Prep Guide for Posting HJT LogsPlease note: Do not try to fix any problems with HJT yourself. This is an advanced tool and requires expert analysis.
If you choose to do the tutorial, make sure you do it before
you post your HJT log. Please let us know if it fixes your problem! If you post a HJT log you can rest assured that in a few days a Team Member will help you get all traces of malware off your computer.