Always use reputable sites like WeMod or Plitch to avoid malware-laden "repacks".
This unofficial repack combines a pre-installed, cracked version of Call of Duty: Modern Warfare II (single-player / Spec Ops only) with an external trainer tool. The trainer is designed to modify in-memory values for the campaign and offline modes. Repack groups often strip multiplayer components to avoid server-side checks, but the trainer may still attempt to hook into the game process. call of duty modern warfare 2 2022 trainer repack