/usr/lib/x86_64-linux-gnu/libremctl.so.1 is in libremctl1 3.13-1+deb9u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libremctl.so.1.1.0
/usr/lib/x86_64-linux-gnu/libremctl.so.1.1.0