Window Washer 5.5 fails to actually full wipe files as the product functionality claims. After deletion, files can still be recovered, and only their metadata is actually wiped.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34132/windowWasher55.txt
Source: https://packetstormsecurity.com/files/34132/windowWasher55.txt.html