Exploit Kits Exposed: Automated Attacks at Scale

Put yourself in the shoes of an attacker: Your objective is to infiltrate an organization, deploy ransomware and get paid. It is your job to launch the most effective, lowest cost attack possible, which also delivers the highest return. When adversaries balance the equation of effort versus potential reward, they are increasingly turning toward automated

Afraidgate: Major Exploit Kit Campaign Swaps Locky Ransomware for CryptXXX

In mid-April 2016, a campaign using Nuclear Exploit Kit (EK) to distribute Locky ransomware switched to using the Angler EK to install CryptXXX ransomware. This campaign uses gates registered through FreeDNS at afraid.org. We are calling this the Afraidgate campaign. Although we continue to see Locky distributed through malicious spam, we have not noticed Locky

Campaign Evolution: Darkleech to Pseudo-Darkleech and Beyond

In 2015, Sucuri published two blog posts, one in March describing a pseudo-Darkleech campaign targeting WordPress sites, and another about its evolution the following December. Sites compromised by this campaign redirected unsuspecting users to an exploit kit (EK). The Sucuri posts describe patterns in the injected script related to this campaign. Since December 2015, patterns

Locky Ransomware Installed Through Nuclear EK

In February 2016, Unit 42 published detailed analysis of Locky ransomware. We certainly weren’t the only ones who saw this malware, and many others have also reported on it. Since that time, Locky has been frequently noted in various campaigns using malicious spam (malspam) to spread this relatively new strain of ransomware. When we initially

Angler Exploit Kit Continues to Evade Detection: Over 90,000 Websites Compromised

Exploit Kits (EK), arguably the most impactful malicious infrastructure on the Internet, constantly evolve to evade detection by security technology. Tremendous effort has been spent on tracking new variations of different EK families. In this report, we look at an EK from an operational point of view. Specifically, we have been tracking the activity of