: Threat actors often use generic, one-letter names like "q.zip" to hide malicious payloads. Zip files are frequently used to bypass basic email filters.
: Use a tool like the 7-Zip File Manager to "Test" or "Open Archive" without extracting. This allows you to see the internal file names and timestamps without executing any potentially harmful code.
: Check your browser's Download History ( Ctrl+J ) to see which website originally served the file.