Link do cracka :
http://tnij.org/yzl0
Instructions:
1. 0:04 Mount in Daemon Tools
2. 0:16 Extract the archive to custom folder
3. 1:00 Apply the crack
4. Login to steam (original one not greenluma)
5. 1:12 Start the game from payday2_win32_release
6. 1:15 Play coop from Crime.net in the menu