There is no evidence of a singular "cursed" file. These stories usually serve as creative writing exercises or "ARG" (Alternate Reality Game) hooks designed to spook the uninitiated. Theory 3: The Data Hoarding Archive
Standard video files use a "one break, all break" structure. If the header of an MP4 corrupts, the entire file is unplayable. MKV uses (Extensible Binary Meta Language). immortal.mkv variants often employ Clusters that are independent of the header. You can literally delete the first 10MB of the file, and VLC will still open it and start playing from Chapter 2. immortal.mkv
But numbers don't tell the whole story. includes: There is no evidence of a singular "cursed" file