Please visit the following link and use the instructions there to post a ComboFix log as a reply to this topic:http://www.bleepingcomputer.com/combofix/how-to-use-combofix
When following the instructions please install the Windows XP Recovery Console if you are using XP.
After running ComboFix, please post the ComboFix log as well as a brand new HijackThis as a reply to this topic.
When posting the results, post them directly into the topic. Do not attach them.