If you extract the RAR and find an .exe file inside that you weren't expecting, do not run it.
Files ending in .rar or .zip from unverified third-party sites are common vectors for malware. Here is why "Saints-Row-TRNT.rar" is often flagged as a risk: Saints-Row-TRNT.rar
A "repack" or pirate copy of the game compressed into a RAR format to save space. Why you should be careful If you extract the RAR and find an
A program designed to modify game memory to allow for cheats like infinite health or money. Why you should be careful A program designed
Never disable your antivirus to run a file you downloaded from an unknown source. Use tools like VirusTotal to scan the file before opening it.
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.