The original developer eventually made the project open-source and shifted focus to other projects. Releases · ByMynix/CouInjector - GitHub
Valve's current anti-cheat system actively detects the memory hooks and process hijacking used by tools like MadInjector.
Users were required to disable Windows Defender or third-party antivirus software, as injectors are universally flagged as malicious trojans or hacking tools.
