McAfee Stinger is a standalone utility used to detect and remove specific viruses. Video tutorial available.Note that this is not a stand-alone anti-virus product to protect your system but more of specialized tool to try to remove viruses from already infected systems. It's a niche tool that any tech would want to have on their thumb drives, etc. We have had success with it. There is an FAQ is available here and recommended if you don't use tools like this on a regular basis.By default, it scans for rootkits, running processes, loaded modules, registry and directory locations known to be used by malware on a machine to keep scan times minimal.McAfee Stinger now includes Real Protect - a real-time behavior detection technology that monitors suspicious activity. A Readme will pop up when you run McAfee Stinger and explain to you more on what it does, how it works and how to remove it.