CleanNgrbot Worm removal tool - Version 2.0 cleanngrbot.exe will detect and remove W32/CleanNgrbot Worm completely, from your system. Download the cleanngrbot.exe and save it in a temporary directory. Double click on cleanngrbot.exe to execute it. Follow the user-friendly instructions to detect and remove the W32/CleanNgrbot Worm from your computer.