Could you provide on where you found this file or describe a screenshot from it?
If your default player won't open it, the VLC Media Player is recommended as it supports almost all codecs associated with MP4 containers. 72d5e021b3cc08b5b3f73cfb88266503.mp4
The filename appears to be a hashed or system-generated name rather than a widely recognized viral video title . These types of alphanumeric strings are commonly produced by servers, content delivery networks (CDNs), or messaging apps like WhatsApp or Discord during the upload process. Understanding the Filename Structure Could you provide on where you found this