A security suite provided by IE, not sure what that is.
Download Microsoft Security Essentials and run and let me know what it finds.
Make sure system restore is disabled
Reboot
Download and run:
CCleaner - Make sure to check all the boxes but the last one called Wipe Free Space, then clean the registry
Cleanup!
CCleaner - Optimization and Cleaning - Free Download
www.stevengould.org - CleanUp! Home
Does Charter (F-Secure) still find anything?