/usr/share/vim/vim74/autoload/ is in vim-runtime 2:7.4.488-7+deb8u3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/vim/vim74/autoload/README.txt
/usr/share/vim/vim74/autoload/ada.vim
/usr/share/vim/vim74/autoload/adacomplete.vim
/usr/share/vim/vim74/autoload/ccomplete.vim
/usr/share/vim/vim74/autoload/clojurecomplete.vim
/usr/share/vim/vim74/autoload/csscomplete.vim
/usr/share/vim/vim74/autoload/decada.vim
/usr/share/vim/vim74/autoload/getscript.vim
/usr/share/vim/vim74/autoload/gnat.vim
/usr/share/vim/vim74/autoload/gzip.vim
/usr/share/vim/vim74/autoload/htmlcomplete.vim
/usr/share/vim/vim74/autoload/javascriptcomplete.vim
/usr/share/vim/vim74/autoload/netrw.vim
/usr/share/vim/vim74/autoload/netrwFileHandlers.vim
/usr/share/vim/vim74/autoload/netrwSettings.vim
/usr/share/vim/vim74/autoload/netrw_gitignore.vim
/usr/share/vim/vim74/autoload/paste.vim
/usr/share/vim/vim74/autoload/phpcomplete.vim
/usr/share/vim/vim74/autoload/python3complete.vim
/usr/share/vim/vim74/autoload/pythoncomplete.vim
/usr/share/vim/vim74/autoload/rubycomplete.vim
/usr/share/vim/vim74/autoload/spellfile.vim
/usr/share/vim/vim74/autoload/sqlcomplete.vim
/usr/share/vim/vim74/autoload/syntaxcomplete.vim
/usr/share/vim/vim74/autoload/tar.vim
/usr/share/vim/vim74/autoload/tohtml.vim
/usr/share/vim/vim74/autoload/vimball.vim
/usr/share/vim/vim74/autoload/xml/
/usr/share/vim/vim74/autoload/xml/html32.vim
/usr/share/vim/vim74/autoload/xml/html401f.vim
/usr/share/vim/vim74/autoload/xml/html401s.vim
/usr/share/vim/vim74/autoload/xml/html401t.vim
/usr/share/vim/vim74/autoload/xml/html40f.vim
/usr/share/vim/vim74/autoload/xml/html40s.vim
/usr/share/vim/vim74/autoload/xml/html40t.vim
/usr/share/vim/vim74/autoload/xml/xhtml10f.vim
/usr/share/vim/vim74/autoload/xml/xhtml10s.vim
/usr/share/vim/vim74/autoload/xml/xhtml10t.vim
/usr/share/vim/vim74/autoload/xml/xhtml11.vim
/usr/share/vim/vim74/autoload/xml/xsd.vim
/usr/share/vim/vim74/autoload/xml/xsl.vim
/usr/share/vim/vim74/autoload/xmlcomplete.vim
/usr/share/vim/vim74/autoload/zip.vim