/usr/lib/libstrigiqtdbusclient.so.0 is in libstrigiqtdbusclient0v5 0.7.8-2ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libstrigiqtdbusclient.so.0.7.8
/usr/lib/libstrigiqtdbusclient.so.0.7.8