The archive might contain an HTML file mimicking La Poste (French postal service) asking for login details. This is a classic "code postal" related scam.
If you can provide the file’s (MD5/SHA-256) and tell me where it came from, I may be able to help check public threat intelligence or known malware reports. Otherwise, follow the steps above for a safe and thorough investigation. Code Postal night folder 21.rar
Since the file is not publicly documented in safe repositories (GitHub, official government data portals, or academic datasets), the contents are speculative. Based on similar historically malicious filenames, possible contents include: The archive might contain an HTML file mimicking
If you extracted and ran something from this archive: official government data portals