>There certainly are trojans which do this. I cannot guess at the likelihood in your
>case - the guy who was recently arrested in New Zealand is alleged to have been doing
>this.
>
>http://news.bbc.co.uk/1/hi/technology/7120251.stm
>
>It is not a global setting, but page by page. If you type in your name and the password
>is filed in automatically, then Windows is remembering it - and vice versa. You make
>the choice for Windows to remember the password (or not) when you first visit the
>page in question.
>
>If you read right through this_thread,
>you can work out how to do the opposite of what that poster wanted. The utility whose
>link is provided will allow you to manage passwords stored by IE (I am assuming you
>use Iinternet Explorer ??).
>