/usr/lib/x86_64-linux-gnu/libmolletnetwork5.so.17 is in kio-extras 4:17.12.3-0ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libmolletnetwork5.so.17.12.3
/usr/lib/x86_64-linux-gnu/libmolletnetwork5.so.17.12.3