Christmas-themed spam and a long holiday season helped criminals behind the notorious Storm Worm more than double their network of infected PCs over the past few weeks, security experts say. Security experts say that Storm has more than doubled in size, adding about 25,000 PCs to a network that had been 20,000 strong. The criminals targeted a Russian domain name registrar that did not have an established policy for taking down malicious domains, so that gave the criminals a little more time to run their scam.”]
Source: https://www.csoonline.com/article/2122421/holiday-spirit-helped-double-storm-worm.html