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.
: Look in your phone’s internal storage under WhatsApp/Media/WhatsApp Video/Sent or Private . VID-20150419-WA0140.mp4
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 If you found this file on your device
: Search for the filename in your Google Photos or iCloud account, as many devices back these up automatically. VID-20150419-WA0140.mp4