What is it supposed to be (a game, utility, document)?
Downloading unknown RAR files from unofficial sources carries a high risk of malware, ransomware, or viruses. Always scan downloaded files with trusted antivirus software (e.g., Windows Defender, Malwarebytes) before extracting them. Download Detective Fourni32WFERT5er rar
Scan the resulting folder again before running any executable ( .exe ) files. If you can confirm: What is it supposed to be (a game, utility, document)