Может это поможет.
MessenPass is a password recovery tool that reveals the passwords of the following instant messenger applications:
MSN Messenger
Windows Messenger (In Windows XP)
Windows Live Messenger (In Windows XP And Vista)
Yahoo Messenger (Versions 5.x and 6.x)
Google Talk
ICQ Lite 4.x/5.x/2003
AOL Instant Messenger v4.6 or below, AIM 6.x, and AIM Pro.
Trillian
Miranda
GAIM/Pidgin
MySpace IM
PaltalkScene
MessenPass can only be used to recover the passwords for the current logged-on user on your local computer, and it only works if you chose the remember your password in one of the above programs. You cannot use this utility for grabbing the passwords of other users.
http://www.nirsoft.net/utils/mspass.zip