G8640.mp4 -

A file stored during a device backup, often containing screen captures or recorded video logs [1].

If this is a file from your own device, it is likely a recorded screen capture or a camera export. g8640.mp4

The file is a generic video identifier that appears in various contexts, often appearing in database systems, archive logs, or as a default filename in specific software applications [1]. A file stored during a device backup, often