/usr/lib/ is in software-center-aptdaemon-plugins 0.1.6build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/
/usr/lib/python3/dist-packages/
/usr/lib/python3/dist-packages/software_center_aptd_plugins-0.0.0.egg-info/
/usr/lib/python3/dist-packages/software_center_aptd_plugins-0.0.0.egg-info/top_level.txt
/usr/lib/python3/dist-packages/software_center_aptd_plugins-0.0.0.egg-info/entry_points.txt
/usr/lib/python3/dist-packages/software_center_aptd_plugins-0.0.0.egg-info/dependency_links.txt
/usr/lib/python3/dist-packages/software_center_aptd_plugins-0.0.0.egg-info/PKG-INFO
/usr/lib/python3/dist-packages/softwarecenter_aptd_plugins/
/usr/lib/python3/dist-packages/softwarecenter_aptd_plugins/__init__.py
/usr/lib/python3/dist-packages/softwarecenter_aptd_plugins/add_license_key_plugin.py
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/software_center_aptd_plugins-0.0.0.egg-info/
/usr/lib/python2.7/dist-packages/software_center_aptd_plugins-0.0.0.egg-info/top_level.txt
/usr/lib/python2.7/dist-packages/software_center_aptd_plugins-0.0.0.egg-info/entry_points.txt
/usr/lib/python2.7/dist-packages/software_center_aptd_plugins-0.0.0.egg-info/dependency_links.txt
/usr/lib/python2.7/dist-packages/software_center_aptd_plugins-0.0.0.egg-info/SOURCES.txt
/usr/lib/python2.7/dist-packages/software_center_aptd_plugins-0.0.0.egg-info/PKG-INFO
/usr/lib/python2.7/dist-packages/softwarecenter_aptd_plugins/
/usr/lib/python2.7/dist-packages/softwarecenter_aptd_plugins/__init__.py
/usr/lib/python2.7/dist-packages/softwarecenter_aptd_plugins/add_license_key_plugin.py