The Shylock home banking malware has been updated with new functionality that allows it to spread automatically using Skype. The malware’s new Skype-related functionality was added earlier this week in the form of a plug-in called “msg.gsm” The new tool allows the malware to send rogue messages and files through Skype and delete them from the application’s history, researchers say. The use of Skype for distribution allows the authors to maintain their geographic focus, security specialist Peter Kruse says.”]