Because this is a generic system-generated name, it doesn't refer to one specific viral video. Thousands of different videos shared on that day would have been saved with this exact filename across different phones.
: The date it was created or received (October 30, 2019). WA : The source is WhatsApp. 0158 : A unique sequence number for that day. VID-20191030-WA0158mp4
Do you have any about where you saw the post or what the video was about? Because this is a generic system-generated name, it
: If you saw this in a particular thread or article, it likely refers to a personal or local video shared within that specific community on that date. WA : The source is WhatsApp
: It sometimes appears in public directories or cloud storage links (like Google Drive or Dropbox) where users have backed up their media folders.