They were injecting code in to the Finder too. No doubt this is why Finder Sync Extensions[1] were created, because it&#x27;s a support nightmare. (Well, and also because that code injection vector was eliminated in El Capitan.)<p>[1] <a href="https:&#x2F;&#x2F;developer.apple.com&#x2F;library&#x2F;ios&#x2F;documentation&#x2F;General&#x2F;Conceptual&#x2F;ExtensibilityPG&#x2F;Finder.html" rel="nofollow">https:&#x2F;&#x2F;developer.apple.com&#x2F;library&#x2F;ios&#x2F;documentation&#x2F;Genera...</a>