/usr/lib/libevocosm-4.0.so.4 is in libevocosm-4.0-4v5 4.0.2-3ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libevocosm-4.0.so.4.0.0
/usr/lib/libevocosm-4.0.so.4.0.0