Well, Riot Games just today (!) admitted to hard-bricking cheating hardware [1]. This kind of stuff definitely is malware, and your comment aged like milk.
[1] https://videocardz.com/newz/riot-games-on-valorant-dma-cheat...
You are confusing drm with anti cheats.
In any case, good for Riot, and good especially for their players!
It's not a hard-brick. Reinstalling Windows fixes it.