/usr/ is in gtk2-engines-qtcurve 1.8.18+git20160112-0cd6aae-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/gtk2-engines-qtcurve
/usr/share/themes/
/usr/share/themes/QtCurve/
/usr/share/themes/QtCurve/mozilla/
/usr/share/themes/QtCurve/mozilla/preferences-rev.xml
/usr/share/themes/QtCurve/mozilla/QtCurve.css
/usr/share/themes/QtCurve/mozilla/QtCurve-KDEButtonOrder.css
/usr/share/themes/QtCurve/gtk-2.0/
/usr/share/themes/QtCurve/gtk-2.0/kdeglobals
/usr/share/themes/QtCurve/gtk-2.0/icons3
/usr/share/themes/QtCurve/gtk-2.0/map_kde_icons.pl
/usr/share/themes/QtCurve/gtk-2.0/gtkrc
/usr/share/themes/QtCurve/gtk-2.0/icons4
/usr/share/doc/
/usr/share/doc/gtk2-engines-qtcurve/
/usr/share/doc/gtk2-engines-qtcurve/TODO.md
/usr/share/doc/gtk2-engines-qtcurve/copyright
/usr/share/doc/gtk2-engines-qtcurve/Bugs.md
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libqtcurve-cairo.so.1.0
/usr/lib/x86_64-linux-gnu/gtk-2.0/
/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/
/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/engines/
/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/engines/libqtcurve.so
/usr/share/doc/gtk2-engines-qtcurve/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libqtcurve-cairo.so.1