8604013-dcb211ce34448acc6017969e709b650a.mov -

If you didn't download it intentionally, avoid opening it.

Apps often rename your videos to these strings when you save them to your camera roll. 8604013-dcb211ce34448acc6017969e709b650a.mov

If you are a developer, this might be a temporary asset from a build process or a test suite. Is it safe to open? If you didn't download it intentionally, avoid opening it

Allows browsers to store the file locally; if the name changes, the browser knows there is a new version. If you didn't download it intentionally

Use a "Get Info" (Mac) or "Properties" (Windows) command to see the file size and creation date, which can give you a clue about its origin. How to handle obscure media

The Mystery of the String: Identifying "8604013-dcb211ce34448acc6017969e709b650a.mov"