You will find the real password in the Textual Log (not in the Visual Log).
The keylogger logs what you types.
If you surf to Yahoo and TYPE the password, the keylogger will log it.
You can then find the password in the Textual-Log.
1)Open the "Log Viewer".
2)Press on the View Textual Log.
3)Press the Filter empty rows for removing windows without keystrokes.
4)Search for yahoo in the viewer searcher, one of the rows should
contains the password. (You can press the Generate HTML log for better viewing).