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
If you extract the RAR and find an .exe file inside that you weren't expecting, do not run it.
In the gaming community, a file with this naming convention is typically presented as:
Unless you downloaded this from a highly reputable, verified modding community, it is best to delete the file. The risk of compromising your computer for a few cheats is rarely worth it.