This file is indexed.

/usr/lib/x86_64-linux-gnu/libecpg.so.6 is in libecpg6 9.5.14-0ubuntu0.16.04.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/x86_64-linux-gnu/libecpg.so.6.7