Search Results: ransomware

Research

Hidden tear and its spin offs

A while ago Turkish security group Otku Sen created the hidden tear ransomware and published the source code online. Idea behind it was to “teach” security researchers how ransomware works. Right from the beginning the reaction of various security professionals was negative. And we were right, it didn’t take long before the first ransomware variants arrived based on the hidden tear source code.

Kaspersky Security Bulletin

Kaspersky Security Bulletin 2015. Overall statistics for 2015

In 2015, virus writers demonstrated a particular interest in exploits for Adobe Flash Player. The proportion of relatively simple programs used in mass attacks was growing. Attackers have mastered non-Windows platforms – Android and Linux: almost all types of malicious programs are created and used for these platforms.


Reports

ToddyCat: your hidden email assistant. Part 2

An in-depth analysis of Umbrij, a new tool used by the ToddyCat APT group to compromise corporate email communications in Gmail. The attack targeted OAuth authorization tokens, allowing threat actors to gain access to Google services.