Removing MJAduioRecorder from sound preferences in macOS Mojave?

I'm trying to remove MJAduioRecorder from my machine. Is this file associated with anything else? I don't remember ever installing it. Thanks to this site, I successfully removed Boom2.

See screenshot:

my machine's sound preferences


Solution 1:

  • Open /Library/Audio/Plug-Ins/HAL folder in finder.
  • Delete the MJRecorderDevice.driver folder.
  • Restart

edit: Also check /Library/LaunchDaemons/. I had a file com.mingjie.mjrecorder.agent.plist there.