HitmanPro (formerly Hitman Pro) is a portable anti malware program, which aims to detect and (if found) remove malicious files and registry entries related to rootkits, trojans, viruses, worms, spyware, adware, rogue antivirus programs, ransomware, and other malware from infected computers. I had Hitman Pro installed on my PC I only had one alert this whole time. The problem still persists after resetting the router. Resetting The HitmanPro trial for Free! How To Extend or Reset Trial Period of Any Software - Duration.