I found an exploit here which takes advantage of the poor encryption on the ws_ftp.ini file (very old exploit). It seems that the problem is that admins store the file in a public location which people can access easily, and malicious users can then download and decrypt the file. If this is the problem/exploit you are talking about, I think you could help out your admins by just telling them to store the file in a restricted location so that not everyone can access it.

-toad