As this file appears to be from a non-mainstream source, you should exercise extreme caution . Do not open it unless you trust the source explicitly.
Based on the structure, this is likely a (indicated by .7z ) rather than a traditional software program. mortalcicada.7z
Use a sandbox or virtual machine (VM) if you must open it to explore its contents. As this file appears to be from a
If you can tell me or what you expected it to do , I can try to find more specific information. Use a sandbox or virtual machine (VM) if
Without knowing the origin, it is impossible to review its functionality. If you found this on a specific forum or platform, look for user comments there for context on what it is supposed to be.
Scan it immediately with reputable, up-to-date antivirus software.