Could you provide more details about where you saw this file name? Knowing the it’s associated with would help in finding the specific user feedback you're looking for.
Updated versions of community-created content (like a "Version 4" of an "Alternative" gameplay balance mod). Alternative v4.rar
Before opening, upload the .rar file to VirusTotal to see if multiple antivirus engines flag it as a threat. Could you provide more details about where you
If you have the file or a link to it, here is how you can find a legitimate "review": Alternative v4.rar