As you may or may not be aware, there is a project known as SETI where people can download a piece of software onto their machines so that the organization can use the CPUs to help process various data. This software is only active whenever your computer is idle, so it has no effect on the performance while the PC is in use. The idea here is to get enough anons running this software within a group, promoting the name (which happens to involve Xenu), as a way to try and generate attention. More information and a guide to the software is available here:
http://forums.whyweprotest.net/12-active-p...ulz-wars-45861/