/usr/share/dbus-1/system-services/com.ubuntu.SoftwareProperties.service is in software-properties-common 0.96.20.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | [D-BUS Service]
Name=com.ubuntu.SoftwareProperties
Exec=/usr/lib/software-properties/software-properties-dbus
User=root
|