If the scan comes back clean, you can peak inside without fully "running" anything:
Compressed files (like .rar ) can contain "decompression bombs" designed to crash your system or executable malware hidden as system files. bcrzrxp.rar
If this was found in a game modding forum, a specific discord channel, or a workplace directory, the name might be a shorthand code (e.g., "B"rand "C"onfig "R"esource...). If the scan comes back clean, you can