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" 8604013-dcb211ce34448acc6017969e709b650a.mov
Your browser might have downloaded it automatically to play a background video on a site you visited. Use a "Get Info" (Mac) or "Properties" (Windows)
Ensures two different videos never share the same name on a server. 8604013-dcb211ce34448acc6017969e709b650a.mov
Do you have a or website where you found this file? Providing that context can help me identify exactly what the video contains. What are MOV files? - Adobe
Use a tool like VirusTotal to upload the file (or its hash) to see if it’s been flagged by security vendors.