There are plenty of trusted places that you can get clean cracks and keygens that have been thoroughly tested. That being said, a small file size doesn't mean

There are plenty of trusted places that you can get clean cracks and keygens that have been thoroughly tested. That being said, a small file size doesn't mean anything in the case of most cracks/keygens because you have to give them admin access to your system. Which means it can download and install anything it wants in the background.