Download and Run ComboFix (by sUBs)
Please visit this webpage for instructions for downloading and running ComboFix:
Bleeping Computer ComboFix Tutorial
Post the log from ComboFix when you've accomplished that, along with a new HijackThis log.
A word of warning: Neither I nor sUBs are responsible for any damage you may have caused your machine by running ComboFix on your own. This tool is not a toy and not for everyday use.
ComboFix SHOULD NOT be used unless requested by a forum helper