I think your recent comments have more to do with bug 41772. Does nautilus still warn spuriously for harmless files?
** Changed in: nautilus (Ubuntu) Status: Unconfirmed => Needs Info -- nautilus's clever anti-hax0r detection is really dumb https://launchpad.net/bugs/19101 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs