The file appears to be a niche or specialized compressed archive, likely containing a "cleaner" utility or script. While there is no widely documented mainstream software by this exact name in major security or utility databases, archives with names like "Cleaner.rar" are commonly used for system maintenance tools, game-specific cleanup scripts, or, in some cases, malicious payloads. Guide to Handling Ni0h_Cleaner.rar
If you have encountered or downloaded this specific file, follow these steps to identify its purpose and ensure your system's safety: How to Open RAR Files on Windows, Mac, and Mobile - Avast