/usr/lib/libgtk-vnc-2.0.so is in libgtk-vnc-2.0-dev 0.5.3-0ubuntu2.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libgtk-vnc-2.0.so.0.0.2
/usr/lib/libgtk-vnc-2.0.so.0.0.2