It would be a wise idea to do a complete and through clean out of your system.
Since I have no idea what you have done so far. I will go as if nothing has been done. Pretty easy just follow the simple suggestions. If you have already done it then go to the next step.
First download CleanUp and cleanup all the temp files.
If you haven't already checked for nasty little bugs ( you know spyware)
Please download, update and run this.
Spybot Search and Destroy
Install this one first, then install the #2 Spybot Download
Spybot #2 download
How to use Spybot.
Check and fix anything in red.
Then download, up date and run this.
Ad-Aware SE Personal Edition
Ad-Aware SE downloadAlso download the VX2 Cleaner plug-in and run it.
Fix what comes up.
How to use Ad-Aware
Then go here and run a free virus scan
TrndMicro Free online scan
Panda Online Scan
Then scan for Trojans here;
Free Trojan online scan
Another free online Trojan scan
Please download Hi-JackThis. Hijack This
Hi-Jack This is a very powerful tool and a safe tool as long as you follow the instructions exactly as shown. First Place_Hi-jack This in a permanent folder.
Here's how to make a permanent folder:
Click My Computer, then C:\
In the menu bar, File->New->Folder.
That will create a folder named New Folder, which you can rename to "HJT" or "HijackThis". Now you have C:\HJT\ folder. Put your HijackThis.exe there, and double click to run it.
Then post the hijack log back here. To do that,
Open HJT, select run scan, then save log. Copy and paste the log back
Here for someone to look at. Do not fix anything yet.
Then wait for one of the Trusted Hi-Jack This Advisors To check your log. It may take a little while as they are busy looking at logs for others.
After getting everything cleaned out you might want to download this,
it helps keep the bugs out. And it's free.
Keep the bugs out.
When you have been given a "Clean Bill of Health" turn system restore back on.