Comment 1 for bug 1599163

grep shows:

$ sudo grep -r UnityGreeter /usr
Binary file /usr/lib/arm-linux-gnueabihf/indicator-display/indicator-display-service matches
Binary file /usr/lib/arm-linux-gnueabihf/unity8/qml/IntegratedLightDM/libIntegratedLightDM-qml.so matches
Binary file /usr/lib/arm-linux-gnueabihf/qt5/qml/Ubuntu/Telephony/libtelephonyservice-qml.so matches
Binary file /usr/lib/arm-linux-gnueabihf/indicator-sound/indicator-sound-service matches
Binary file /usr/lib/ubuntu-push-client/ubuntu-push-client matches
Binary file /usr/lib/maliit/plugins/libubuntu-keyboard-plugin.so matches
Binary file /usr/bin/telephony-service-handler matches
Binary file /usr/bin/telephony-service-approver matches
Binary file /usr/bin/mtp-server matches
Binary file /usr/bin/telephony-service-indicator matches
/usr/share/upstart/sessions/mtp-server.conf: # Fix for bug LP: #1389223: UnityGreeter isn't available immediately
/usr/share/upstart/sessions/mtp-server.conf: --dest=com.canonical.UnityGreeter \