Maybe that's one of the other two keyboard arrangements. like I know one of them is "QWERTZ" which they use in Germany and I forgot what the other one is but yeah. Maybe QWERTZ has the s and d switched.
Tbh I think it'd be hilarious to have a game where looting from corpses gives you like, a chance of catching a disease and dying, but no one is told about the mechanic and wait and see how long it takes people to figure it out<<<< BEAUTIFUL. MAKE A GAME.