Emsisoft Emergency Kit
ComboFix.exe (Does't work for Windows 8.1 and Windows 10)
RKill, attempts to terminate known malware processes so you can clean your computer of infections
AdwCleaner is a program that searches for and deletes Adware, Toolbars, Potentially Unwanted Programs, and browser Hijackers from your computer.
Farbar's Recovery Scan Tool
FixExec is a program that is designed to fix executable file associations for the .bat, .exe, and .com file extensions
AVG Anti-Virus Free Edition