Analysis of Gunra Ransomware Using Vulnerable Random Number Generation Function (Distributed for Linux Environments in ELF Format)
The Gunra ransomware group, which began its activities in April 2025, has been launching continuous attacks against various industries and companies around the world. Cases of damage have been reported in Korea as well. The distributed Gunra ransomware is available in two formats: an EXE file format for Windows environments
Trigona Rebranding Suspicions and Global Threats, and BlackNevas Ransomware Analysis
BlackNevas has been continuously launching ransomware attacks against companies in various industries and countries, including South Korea. This post provides a technical analysis on the characteristics, encryption methods, and reasons why BlackNevas encrypts files in a way that makes them impossible to decrypt. It is hoped that this post will
Interlock Ransomware’s Targeted Attacks on Companies
Summary About Interlock – Appeared at the end of September 2024 – Ransomware attacks targeting companies in various countries and industries worldwide – Recently, there have also been ransomware attacks in various industries such as healthcare, education, and public institutions (e.g., DaVita, Andretti Indoor Karting & Games) – Uses unclear
Underground Ransomware Targeting Korean Companies
The Underground ransomware gang is launching continuous ransomware attacks against companies in various countries and industries, including South Korea. This post describes the analysis and characteristics of the Underground ransomware. 1. Overview 1.1 Team Underground The ransomware strain operated by the group known as Underground was first identified in
