HitmanPro is a second opinion malware and virus scanner that can quickly scan your computer and test suspicious files against multiple anti-virus engines, including Bitdefender and Kaspersky. Unlike traditional virus scanners which use a local signature engine, HitmanPro identifies suspicious files and then validates their signatures against multiple engines in the cloud. If it encounters a suspicious file that is unknown, it uploads it to the cloud where the file is scanned using the anti-virus programs of 5 different vendors. The process is completely transparent and does not require user intervention.HitmanPro is a scan-only tool, it does not offer real-time protection against virus or malware infections, hence it is offered as a second opinion or on-demand scanner.You can use the program for free as a second opinion scanner but without removal of infections. If you want to remove a malware infection, you can activate a 30-day trial mode that includes malware removal.