"VID-20201214-WA0205.mp4" is a generic filename typically generated by (VID = Video, 20201214 = Date, WA = WhatsApp). Because millions of people use this naming convention, it could refer to a variety of different things depending on where you saw it.
(since these files are often large duplicates). 3. Misinformation/Hoaxes VID-20201214-WA0205mp4
That said, there are three common ways this specific filename is discussed online: 1. The "Viral Prank" or Screamer "VID-20201214-WA0205