/usr/ is in plasma-discover-updater 5.6.2-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/knotifications5/
/usr/bin/
/usr/bin/plasma-discover-updater
/usr/share/
/usr/share/knotifications5/muonapplicationnotifier.notifyrc
/usr/share/knotifications5/discoverabstractnotifier.notifyrc
/usr/share/applications/
/usr/share/applications/plasma-discover-updater.desktop
/usr/share/polkit-1/
/usr/share/polkit-1/actions/
/usr/share/polkit-1/actions/org.kde.muon.repo.policy
/usr/share/kxmlgui5/
/usr/share/kxmlgui5/plasmadiscoverupdater/
/usr/share/kxmlgui5/plasmadiscoverupdater/plasmadiscoverupdaterui.rc
/usr/share/doc/
/usr/share/doc/plasma-discover-updater/
/usr/share/doc/plasma-discover-updater/copyright
/usr/share/plasma/
/usr/share/plasma/plasmoids/
/usr/share/plasma/plasmoids/org.kde.discovernotifier/
/usr/share/plasma/plasmoids/org.kde.discovernotifier/contents/
/usr/share/plasma/plasmoids/org.kde.discovernotifier/contents/ui/
/usr/share/plasma/plasmoids/org.kde.discovernotifier/contents/ui/Full.qml
/usr/share/plasma/plasmoids/org.kde.discovernotifier/contents/ui/main.qml
/usr/share/plasma/plasmoids/org.kde.discovernotifier/metadata.desktop
/usr/share/kservices5/
/usr/share/kservices5/plasma-applet-org.kde.discovernotifier.desktop
/usr/share/doc/plasma-discover-updater/changelog.Debian.gz