A new version of the Zeus malware has appeared, and this does not seem to be a minor upgrade. Zeus Tracker has discovered the new custom version of Zeus that now includes the peer-to-peer functionality. This is a throwback to the way the malware used to behave, but it comes with a twist: There no longer is a master URL that infected machines contact to get updates, making it much more difficult to track the Trojan s activities. Many of the infected machines are in India, Italy and the U.S. at one point was around 100,000.
Source: https://threatpost.com/p2p-version-zeus-botnet-appears-101111/75734/