/usr/ is in php-directory-scanner 1.3.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/php/
/usr/share/php/TheSeer/
/usr/share/php/TheSeer/DirectoryScanner/
/usr/share/php/TheSeer/DirectoryScanner/filesonlyfilter.php
/usr/share/php/TheSeer/DirectoryScanner/includeexcludefilter.php
/usr/share/php/TheSeer/DirectoryScanner/directoryscanner.php
/usr/share/php/TheSeer/DirectoryScanner/phpfilter.php
/usr/share/php/TheSeer/DirectoryScanner/autoload.php
/usr/share/php/.registry/
/usr/share/php/.registry/.channel.pear.netpirates.net/
/usr/share/php/.registry/.channel.pear.netpirates.net/directoryscanner.reg
/usr/share/doc/
/usr/share/doc/php-directory-scanner/
/usr/share/doc/php-directory-scanner/copyright
/usr/share/doc/php-directory-scanner/changelog.gz
/usr/share/doc/php-directory-scanner/changelog.Debian.gz
/usr/share/doc/php-directory-scanner/package.xml