Now is the time to disable Java in your web browser, or even remove it from your system if that is practical. Why? The bad guys are hard at work trying to exploit a zero day vulnerability in the latest version of Java (version 1.7, Update 6.). This vulnerability is the subject of a US-CERT

Although the “Ready to Ride” group originated in Russia it distributes Win32/Cycbot outside the borders of the Russian Federation. Going by the prices per installation the primary target of the group is the US.