If you found this file in a random folder you don't recognize, run a quick scan with your antivirus. Old media files are occasionally used to mask script exploits in shared folders.
2018 WhatsApp compression was notoriously heavy. Use a tool like Handbrake to adjust the aspect ratio or a basic AI enhancer to sharpen the 6-year-old resolution. VID-20181126-WA0013mp4
That filename follows a standard format used by for videos saved on November 26, 2018. Because this is a generic system-generated name, it doesn't point to one specific viral video, but rather a personal memory or a file shared in a chat on that day. Since we can't see the actual footage, 1. The Digital Archaeology Phase If you found this file in a random