The Java update will not only clean up these variants, but also disables automatic executive of Java applets. You can turn these back on in the preferences tab. If no applets are run in a certain amount of time, however, the Java plug-in will re-disable automatic executive of Java applets. OS X users can download the security update via the Software Update application. The news of such malware came to a surprise to many Mac since they believed Macs weren’t vulnerable to attacks like PCs are.