/usr/share/gconf/default.path.md5sum is in gconf2-common 3.2.6-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | 9f90335546f7c57ae6fb552cc2b919c5 2.8.1-6
65faa85aca651fa9313cb78e0915d392 2.12.0-1
|