McAfee Stinger is a standalone utility used to detect and remove specific viruses. It is not a substitute for full anti-virus protection, but a specialized tool to assist administrators and users when dealing with infected system. Stinger utilizes next-generation scan technology, including rootkit scanning, and scan performance optimizations. It detects and removes threats identified under the "Threat List" option under Advanced menu options in the Stinger application.
Virus: This is a special type of program that is able to infect itself into a computer without a users permission but requires a users intervention to spread. A Virus is a program that attaches itself to executable files and will cause an infection when a user runs the application that it was attached to. Viruses range in complexity and scope to any of the following: some that just are minor annoyances to those that are so powerful to cause physical damage to computer hardware.