Vid-20150419-wa0140.mp4

: Short for WhatsApp, identifying the app that created the file.

: Search for the filename in your Google Photos or iCloud account, as many devices back these up automatically.

: The date the video was saved to the phone (April 19, 2015).

If you found this file on your device or a shared drive, here is how the name is broken down: : Indicates the file is a video.

The filename is a standard automated name generated by WhatsApp for a video saved on April 19, 2015 . Because this naming convention is used for millions of private files, there isn't one specific "viral" or public video associated with this exact string. Understanding the Filename