/usr/ is in ruby-net-scp 1.1.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/rubygems-integration/
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/net/
/usr/lib/ruby/vendor_ruby/net/scp/
/usr/lib/ruby/vendor_ruby/net/scp/download.rb
/usr/lib/ruby/vendor_ruby/net/scp/upload.rb
/usr/lib/ruby/vendor_ruby/net/scp/errors.rb
/usr/lib/ruby/vendor_ruby/net/scp/version.rb
/usr/lib/ruby/vendor_ruby/net/scp.rb
/usr/lib/ruby/vendor_ruby/uri/
/usr/lib/ruby/vendor_ruby/uri/open-scp.rb
/usr/lib/ruby/vendor_ruby/uri/scp.rb
/usr/share/rubygems-integration/1.8/
/usr/share/rubygems-integration/1.8/specifications/
/usr/share/rubygems-integration/1.8/specifications/net-scp-1.1.1.gemspec
/usr/share/rubygems-integration/1.9.1/
/usr/share/rubygems-integration/1.9.1/specifications/
/usr/share/rubygems-integration/1.9.1/specifications/net-scp-1.1.1.gemspec
/usr/share/doc/
/usr/share/doc/ruby-net-scp/
/usr/share/doc/ruby-net-scp/README.rdoc
/usr/share/doc/ruby-net-scp/copyright
/usr/share/doc/ruby-net-scp/changelog.Debian.gz