I got hit by this last month undetected malware that steals all your ftp logins.This malware looks for the following top 10 FTP programs on your system and steals all your login info/passwords.
1. CoffeeCup Direct FTP
2. TransSoft FTP Control 4
3. Core FTP
4. GlobalScape CuteFTP
5. Far Manager (with FTP plugin)
6. FileZillagot me
7. FlashFXP
8. SmartFTP
9. FTP Navigator
10. Total Commander
Read more about this scumware and how to take precautionary steps.
http://blog.unmaskparasites.com/2009...dentials-from/
hope this helps