: A "remastered" version of the OnyX system tool could be an unofficial repack containing specific tweaks or legacy support for older OS versions that the official developer no longer maintains.

Providing the context of where you found it could help pinpoint the exact version.

Which digital filter do Onix Alpha dac users prefer for listening?

: Files ending in .7z from unofficial sources should be scanned with antivirus software before opening. Unofficial "remasters" of system tools can sometimes include registry tweaks or scripts that may be harmful if not from a trusted developer.