As you can see there's an ASCII "Myth" logo, which is an old cracking team that were quite prevelent a while back. Seems Rockstar got a little lazy and used this crack instead of recompilling their executable without DRM."
Link to Original Source
It was kinda like stuffing the wrong card in a computer, when you're stickin' those artificial stimulants in your arm. -- Dion, noted computer scientist