Have you ever come across malware that has opened a window that you just can’t see? You suspect it is a case of the malware setting the window as hidden. You fire up WinLister to enumerate the windows in the hopes of finding the hidden window but nothing shows up. If you have ever found yourself in this situation you may be dealing with malware that is hiding in a second desktop. In this article we will walk through the process of identifying extra desktops and switching between them with a new tool called CmdDesktopSwitch.exe.
more here..........http://herrcore.blogspot.ca/2014/11/exposing-malware-in-hidden-desktops.html