The “com.google.keystone.agent” file

The LaunchAgent file “com.google.keystone.agent.plist” is used to activate the Google Updater on each boot and every 2 hours while logged in.  The file is located here:

~/Library/LaunchAgents/com.google.keystone.agent.plist

Pretty sneaky to slip it in as a LaunchAgent without notifying the end-user, but hey- it gets the job done.  I’d guess that Keystone was the internal code name for the product.