/usr/lib/libmono-profiler-gui-thread-check.so.0 is in libmono-profiler-gui-thread-check 2.99.3-2+b1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libmono-profiler-gui-thread-check.so.0.0.0
/usr/lib/libmono-profiler-gui-thread-check.so.0.0.0