This might only be sort of related to what you're talking about, but reansomware as a service already exists. You delivery a premade executable and get a cut cu

This might only be sort of related to what you're talking about, but reansomware as a service already exists. You delivery a premade executable and get a cut cut of the profits. You could install it in systems where you have physical access like your work or at a friends house or systems that you have remotely compromised.