The first person to claim they cracked the encryption was a user known only as "Elias." He posted that the file didn't contain videos or images, but a series of executable programs named after dates—all of them in the future. Elias claimed that when he ran the first one, his monitor began to pulse with a frequency that made his teeth ache. He described seeing a low-resolution feed of his own hallway, filmed from an angle where no camera existed.
: The idea of an "impossible" file size used to hide massive amounts of data. 17-1-2x.rar
Hours later, Elias’s thread was deleted. Every mirror of "17-1-2x.rar" began to disappear from the web, replaced by "dead" links or corrupted data. The first person to claim they cracked the
: The trope where the file "knows" it is being watched by the user. : The idea of an "impossible" file size
Those who claim to have found the "real" file today say the name is actually a code. "17" for the year it was supposedly compiled, "1" for the first subject, and "2x" for the double-speed at which the human heart is said to beat when the final file is opened. According to the legend, the archive isn't a collection of data, but a gateway—a digital "backdoor" that doesn't let you into a system, but lets something from the system out into your room.
The file was first spotted on an anonymous imageboard in the early 2010s. It wasn't the name that drew people in, but the size: 1.7 gigabytes, yet it was compressed into a tiny rar file of only a few kilobytes.
While there is no single official story, the following narrative explores the most common urban legends surrounding it.