1) Uninstall Internet Explorer, then run CC Cleaner. Make sure you have another Internet Browser (like Firefox, Chrome, Opera,etc...) before uninstalling Internet Explorer.
2) Once in CC Cleaner run the top two on the left side options Cleaner and Registry. Run them over and over again until they are clean. Note make sure all other Windows are closed when running the CC Cleaner.
3) Then close it, and go to START, RUN and type the following,
shutdown -r -t 05
After your computer comes back up from the reboot you should be good. If you want to run Internet Explorer then go to “Windows Update” and click check for updates. It should offer you Internet Explorer 9 to re download and install it.
Here is the link to the CC Cleaner.
http://www.piriform.com/ccleaner
I did a reformat and reinstall 2 days ago, there are no trojans or viruses in the system. I’ve been using Avast and Spyware Blaster for years, nothing has made it through yet.