McAfee Stinger is a free antivirus application. This software is designed to detect and eliminate specific viruses. It’s not an alternative for a comprehensive antimalware application, but it can surely assist you in enhancing your system’s performance. It’s a portable tool, which is why it doesn’t consume hard disk space. You can run the file on the go or save it on an external storage device if you intend to use it on multiple PCs. Its user interface is straightforward and you can run a thorough scan without hassles. Moreover, you can also customize its settings to fit your needs.