: 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

: If you open the RAR (use a tool like 7-Zip), look for double extensions like Happy_Xmas.jpg.exe .

: The tool may have flagged a specific characteristic (like a hidden file or a specific encryption type) within the .rar . 🛠️ Recommended Action Plan

Are you using a that labeled the file as having a "deep feature"?