/usr/lib/x86_64-linux-gnu/libkerfuffle.so.16 is in ark 4:16.08.3-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libkerfuffle.so.16.08.3
/usr/lib/x86_64-linux-gnu/libkerfuffle.so.16.08.3