Many "trainers" found on obscure forums or file-sharing sites are actually trojans or keyloggers. Because trainers work by "injecting" code into another process, antivirus software often flags them—a fact that hackers use to convince users to disable their security.
In the gaming community, a file with this naming convention is typically presented as: Saints-Row-TRNT.rar
Often, these files are empty or contain junk data, designed only to generate ad revenue for the hosting site or to trick you into clicking malicious links. How to stay safe Many "trainers" found on obscure forums or file-sharing