Tinycrypt.asm is a training ransomware virus that is fully configurable to your needs but it is designed to be very controllable. It was designed to be used with the PoShFoTo incident response toolkit.
You can download it from the following link: https://packetstormsecurity.com/files/download/138656/tinycrypt.zip
Source: https://packetstormsecurity.com/files/138656/Tinycrypt.asm-Training-Ransomware-Virus.html