: If you must open it, use a secure, isolated environment like Windows Sandbox or a dedicated virtual machine.
: Once unzipped, ensure the "pictures" inside are actual image formats (like .jpg or .png ) and not executable files (like .exe , .scr , or .vbs ) disguised with a double extension (e.g., photo.jpg.exe ). ZMSFM_Pictures.zip
: Confirm with the sender that they intended to send this specific file. : If you must open it, use a