Research Indicates Beijing Is World Virus Capital
Not even from TFA, but in the summary:
Apparently not only are Zombies tricky, but so is reading an article summary.
'As more and more users come online in China, there's a good chance those computers are using pirated software without up-to-date security fixes, making them prime targets for hackers who are actually located elsewhere in the world, [Simon] Heron said. Those compromised computers, which are used to send spam and make it more difficult to identify the spammer, are so valuable that hacker gangs have been competing to take over machines