Do that, but then rename each folder to a very long name, and go back one directory up in the tree e.g. d:\h\h\h becomes d:\h\h\very_long_h then d:\h\verl_long_

Do that, but then rename each folder to a very long name, and go back one directory up in the tree e.g. d:\h\h\h becomes d:\h\h\very_long_h then d:\h\verl_long_h\very_long_h, etc. It was "simple" way to hide files, by making their names very long indeed.