If you intend to explore the file, use standard extraction software like 7-Zip for Windows or The Unarchiver for macOS .
The filename appears to be a fictional or highly niche digital artifact, as there is no publicly documented history of a prominent file or internet mystery by this specific name. ShushCrust.7z
In internet subcultures (such as those on 4chan, Reddit, or Discord), uniquely named archives like "ShushCrust" are often used for: If you intend to explore the file, use