Denuvo, which only works on Windows, lives in the kernel and is essentially a "benign" rootkit. Sometimes it's not very benign, there has been more than one ex

Denuvo, which only works on Windows, lives in the kernel and is essentially a "benign" rootkit. Sometimes it's not very benign, there has been more than one example of a game with noticeably improved performance once cracked to remove it.