From the code: 'This open-source tool for Windows floods computers with WinPopUp messages. So it is impossible to work on the victims computer. A possible solution is to block all incoming traffic on the NetBIOS ports 135 - 139 or to deactivate the messaging-service.'
Flooder Program [Panda]Flooder.Win32.Sevenc.b [Kaspersky]
winpopup-flooder.exe