/usr/share/applications/org.gnome.Software.desktop is in gnome-software 3.20.1+git20160420.1.ca63436.ubuntu-xenial-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | [Desktop Entry]
Name=Software
Comment=Add, remove or update software on this computer
Icon=org.gnome.Software
Exec=gnome-software %U
Terminal=false
Type=Application
Categories=GNOME;GTK;System;PackageManager;
Keywords=Updates;Upgrade;Sources;Repositories;Preferences;Install;Uninstall;Program;Software;App;Store;
StartupNotify=true
MimeType=x-scheme-handler/appstream;
X-GNOME-Bugzilla-Bugzilla=GNOME
X-GNOME-Bugzilla-Product=gnome-software
X-GNOME-Bugzilla-Component=gnome-software
X-GNOME-UsesNotifications=true
DBusActivatable=true
X-Ubuntu-Gettext-Domain=gnome-software
|