New Pushdo Malware Hacks 11,000 Computers in Just 24 Hours
Jul 17, 2014
One of the oldest active malware families, Pushdo, is again making its way onto the Internet and has recently infected more than 11,000 computers in just 24 hours. Pushdo, a multipurpose Trojan, is primarily known for delivering financial malware such as ZeuS and SpyEye onto infected computers or to deliver spam campaigns through a commonly associated components called Cutwail that are frequently installed on compromised PCs. Pushdo was first seen over 7 years ago and was a very prolific virus in 2007. Now, a new variant of the malware is being updated to leverage a new domain-generation algorithm (DGA) as a fallback mechanism to its normal command-and-control (C&C) communication methods. DGAs are used to dynamically generating a list of domain names based on an algorithm and only making one live at a time, blocking on 'seen' Command & Control domain names becomes nearly impossible. With the help of a DGA, cyber criminals could have a series of advantages ...
