As there is no widely known media or public file specifically titled this name likely refers to one of three things:
If this is a link to a "leaked" or private video, accessing it may violate privacy laws or terms of service.
Be wary of sites that ask you to complete a survey or download a "codec" to view this specific file. How to safely identify the file
If you already have the file, you can right-click it and select Properties > Details (on Windows) to see the origin or author, but do not double-click to play it .
Some file naming conventions like this are used on peer-to-peer (P2P) sites or forums. Important Security Warnings
If you have encountered this file as a download link or email attachment, please be cautious:
A video file hosted on a platform like Google Drive, Mega, or MediaFire. The number "(484)" usually indicates a file count or a specific version used by a uploader.
If you are trying to find out what is inside the file without opening it: