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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 1.9.1:
  • Improved parsing of launch item plists:
  • Key search now case insensitive
  • Type of 'Program' label now checked


  • OS X 10.8 or later

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KnockKnock User Discussion

4.7 7


Current Version (1.x)


Downloads 2,894
Version Downloads 270
License Free
Date 23 Mar 2018
Platform Intel 64 / OS X
Price Free
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