Please download combofix: Here
Save it to Desktop.
Disable your AntiVirus and AntiSpyware applications, they may otherwise interfere with Combofix.
There are details for disabling many programmes: Here
Now, please make sure no other programs are running, close all other windows.
Please double click on the file you downloaded. Follow the onscreen prompts to start the scan.
Once the scanning process has started please DO NOT click on the Combofix window or attempt to use your computer as this can cause the scanning process to stall.
It may take a while to complete scanning and this is normal.
You will be disconnected from the internet and your desktop icons/toolbars will disappear during scanning, do not worry, this is normal and it will be restored after scanning has completed.
Combofix will create a logfile and display it after your computer has rebooted.
Usually located in c:\combofix.txt, please post it to your next reply
The logs will be reasonably large so you may have to divide them into sections and make several posts to post them.
Before you provide them, we ask that you remove any P2P/file sharing programs if you have any, and this includes Torrent software, before we clean your computer.