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KnockKnock shows you what's persistently installed on your Mac!

Malware installs itself persistently, to ensure it is automatically executed each time a computer is restarted. KnockKnock (UI) uncovers persistently installed software in order to generically reveal such malware. If the item is an executable binary, KnockKnock automatically queries VirusTotal with a hash of the binary in order to retrieve any information.

What's New

Version 1.9.0:
  • Added plugin: extensions and widgets (Finder Syncs, etc)
  • Improved UI to show if persistent binaries are packed or 'OS X'-encrypted
  • Launch Daemon/Agent plugin extended to lists items with 'StartInterval'/'StartCalendarInterval' keys
  • Launch Daemon/Agent improved to use 'Program' key (over 'ProgramArguments') when both are present
  • Compliled in latest


  • OS X 10.8 or later

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KnockKnock User Discussion

4.8 5


Current Version (1.x)


Downloads 2,415
Version Downloads 655
License Free
Date 23 Jul 2016
Platform Intel 64 / OS X
Price Free
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