According to the various "creepypasta" iterations of this tale, the zip file contains several disturbing or inexplicable files:

The story usually begins with an anonymous user on a tech forum or a file-sharing site claiming to have found an old laptop at a government surplus auction or a thrift store. Buried deep within a partitioned drive, hidden inside a series of nested folders labeled with cryptic alphanumeric strings, lies a single 400MB archive: polished-jade-bell_2022-11-29_update.zip . The Legend of the Contents

A text document filled with code that doesn't match any known programming language. Interspersed within the logic gates are phrases in plain English: "Frequency stabilized," "Vessel prepared," and most infamously, "The chime is a door." The "Update" Phenomenon