Post a hijackthis log please. Download and then extract Hijackthis.exe to a new folder. Do not run it from the zip the desktop or a temp folder.
Here's a link:
http://www.merijn.org/files/hijackthis.zipDo not remove anything using HijackThis. Save the log and then copy and paste the contents into your next reply here in this same topic. It lists many types of entries. Some are good, and others need to be removed. We will help you sort it out.
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Please download silentrunners.zip
http://www.silentrunners.org/Silent%20Runners.zipUnzip to your desktop and double click on the VBS file.
If your get a message about a malicious script, please allow the script to run. It is a diagnostic tool.
The script will save a Notepad document to your Desktop.
Copy and paste the contents of that text file into your next reply.