/usr/share/kde4/apps/konqsidebartng/ is in konqueror 4:4.8.2-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kde4/apps/konqsidebartng/dirtree/
/usr/share/kde4/apps/konqsidebartng/dirtree/bookmarks_module.desktop
/usr/share/kde4/apps/konqsidebartng/dirtree/dirtree_module.desktop
/usr/share/kde4/apps/konqsidebartng/entries/
/usr/share/kde4/apps/konqsidebartng/entries/bookmarks.desktop
/usr/share/kde4/apps/konqsidebartng/entries/history.desktop
/usr/share/kde4/apps/konqsidebartng/entries/home.desktop
/usr/share/kde4/apps/konqsidebartng/entries/places.desktop
/usr/share/kde4/apps/konqsidebartng/entries/remote.desktop
/usr/share/kde4/apps/konqsidebartng/entries/root.desktop
/usr/share/kde4/apps/konqsidebartng/entries/services.desktop
/usr/share/kde4/apps/konqsidebartng/plugins/
/usr/share/kde4/apps/konqsidebartng/plugins/konqsidebar_history.desktop
/usr/share/kde4/apps/konqsidebartng/plugins/konqsidebar_places.desktop
/usr/share/kde4/apps/konqsidebartng/plugins/konqsidebar_tree.desktop
/usr/share/kde4/apps/konqsidebartng/plugins/konqsidebar_web.desktop
/usr/share/kde4/apps/konqsidebartng/virtual_folders/
/usr/share/kde4/apps/konqsidebartng/virtual_folders/remote/
/usr/share/kde4/apps/konqsidebartng/virtual_folders/remote/.directory
/usr/share/kde4/apps/konqsidebartng/virtual_folders/remote/ftp/
/usr/share/kde4/apps/konqsidebartng/virtual_folders/remote/ftp/.directory
/usr/share/kde4/apps/konqsidebartng/virtual_folders/remote/ftp/kde_ftp.desktop
/usr/share/kde4/apps/konqsidebartng/virtual_folders/remote/web/
/usr/share/kde4/apps/konqsidebartng/virtual_folders/remote/web/.directory
/usr/share/kde4/apps/konqsidebartng/virtual_folders/remote/web/apps_web.desktop
/usr/share/kde4/apps/konqsidebartng/virtual_folders/remote/web/dot_web.desktop
/usr/share/kde4/apps/konqsidebartng/virtual_folders/remote/web/kde_web.desktop
/usr/share/kde4/apps/konqsidebartng/virtual_folders/remote/web/look_web.desktop
/usr/share/kde4/apps/konqsidebartng/virtual_folders/services/
/usr/share/kde4/apps/konqsidebartng/virtual_folders/services/.directory
/usr/share/kde4/apps/konqsidebartng/virtual_folders/services/applications.desktop