Run sha256sum and check VirusTotal to see if others have flagged it.
To provide a helpful analysis, I can help you perform a manual "write-up" if you can share more details: QSX.rar
Check if the RAR is encrypted or uses "header encryption" (which hides the filenames until the password is entered). Run sha256sum and check VirusTotal to see if
If you can provide a or a description of the files inside , I can give you a much more detailed breakdown. There is no widely documented public record or
There is no widely documented public record or "write-up" for a file specifically named in the context of major CTF challenges, malware repositories, or forensic reports as of April 2026 .
If this is a specific file you are investigating or a challenge you are working on, it is likely part of a private competition, a very recent release, or a niche malware sample.
(e.g., does it contain a .exe , .dll , or encrypted text files?).