I guess it's time to null-route pluraprocessing.com.

In other words I really really really don't like hidden or undisclosed functionality in whatever the software I am running. Especially if it is explicitly designed to utilize my otherwise idle resources.

Few years back my friends and I were talking about putting a DES brute-forcing client into a flash applet and then sticking it on a high-traffic site. It never went anywhere beyond a discussion though exactly because of the ethical issues involved.