HiddenTear
HiddenTear Cyan Edition - A real life ransomware
Legal Warning
While this may be helpful for some, there are significant risks. HiddenTear may be used only for Educational Purposes. Do not use it as a ransomware! You could go to jail on obstruction of justice charges just for running hidden tear, even though you are innocent.
Original source: https://github.com/goliate/hidden-tear