/usr/lib/x86_64-linux-gnu/libprocps.so is in libprocps-dev 2:3.3.12-3ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/x86_64-linux-gnu/libprocps.so.6
/lib/x86_64-linux-gnu/libprocps.so.6