Vid_qy-r.mp4 -

: A video asset for a specific private project, website, or software application. Safety Note

: A common prefix used by Android devices and various camera apps to denote a "Video" file. VID_QY-r.mp4

: A video you or someone else recorded, shared via a messaging app (like WhatsApp or Telegram), or downloaded from a cloud storage service. : A video asset for a specific private

Since this specific filename hasn't surfaced in public databases or news reports, it most likely falls into one of these categories: VID_QY-r.mp4

: A file fragment found in a browser cache or an application's data folder.