/usr/lib/libkleopatraclientgui.so.0 is in kleopatra 4:4.13.0-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libkleopatraclientgui.so.0.3.0
/usr/lib/libkleopatraclientgui.so.0.3.0