Hacktool.win32/Keygen is a territory Trojan attack. It is a tricky Trojan horse which can modify your Windows files to allow its automatic execution every time when Windows launches and perform malicious activities on your computer. It can eat away your system step by step. Once you have got the infection without notice, the first step is that it may modify the system entries and build a new path for the free infection spreading.
How to Get Rid of Hacktool.win32/Keygen from My Computer/ Tips for Trojan Virus Removal | PC Problem Fix