: If you must know what is inside, use a tool like 7-Zip or WinRAR to "Open Archive" rather than "Extract." This allows you to view the file names inside without executing any code.
: Content Delivery Networks (CDNs) often rename files with alphanumeric strings for internal storage and fast retrieval.
: Look at your browser’s download history (Ctrl+J or Cmd+J) to see exactly which website initiated the transfer.
: Some cloud services or backup tools use randomized names for privacy or to prevent duplicate file conflicts.
: Upload the file to a service like VirusTotal to have it scanned by dozens of different antivirus engines simultaneously.