: Upload the file to VirusTotal . It will check the file against 70+ antivirus engines.
: If you must see the contents, use a Virtual Machine or a "Sandbox" environment (like Windows Sandbox) to isolate it from your main OS. Identifying the Source Happy X-Mas 7.rar
To help me give you a more precise answer, could you clarify: : Upload the file to VirusTotal
Files with generic holiday names like "Happy X-Mas" followed by a version number are frequently used in . Happy X-Mas 7.rar