This file is indexed.

/usr/lib/x86_64-linux-gnu/libKScreenLocker.so.5 is in libkscreenlocker5 5.12.4-0ubuntu1.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/x86_64-linux-gnu/libKScreenLocker.so.5.12.4