: A common plot point is that the .rar archive cannot be opened by standard software like WinRAR or 7-Zip . When forced open, it might contain files with "impossible" dates (e.g., from the year 1900 or 2099) or non-standard file extensions.
: Stories often begin with a protagonist finding an oddly named file on a lost forum or a hidden directory. "NiFell" (likely a play on "Niflheim" from Norse mythology—the world of fog and mist) suggests a thematic connection to the underworld or a place of the dead.
If this file name appeared in a specific video, ARG (Alternate Reality Game), or forum thread you recently saw, please provide more context (like where you found the link) so I can help trace the exact lore behind it.
: A "cursed" image file that supposedly drives the viewer to madness unless they "spread the word."