From The Hacker News – Hackers Repurpose RansomHub’s EDRKillShifter in Medusa, BianLian, and Play Attacks

From The Hacker News – Hackers Repurpose RansomHub’s EDRKillShifter in Medusa, BianLian, and Play Attacks

A new analysis has uncovered connections between affiliates of RansomHub and other ransomware groups like Medusa, BianLian, and Play. The connection stems from the use of a custom tool that's designed to disable endpoint detection and response (EDR) software on compromised hosts, according to ESET. The EDR killing tool, dubbed EDRKillShifter, was first documented as used by RansomHub actors in
From The Hacker News – ⚡ THN Weekly Recap: GitHub Supply Chain Attack, AI Malware, BYOVD Tactics, and More

From The Hacker News – ⚡ THN Weekly Recap: GitHub Supply Chain Attack, AI Malware, BYOVD Tactics, and More

A quiet tweak in a popular open-source tool opened the door to a supply chain breach—what started as a targeted attack quickly spiraled, exposing secrets across countless projects. That wasn’t the only stealth move. A new all-in-one malware is silently stealing passwords, crypto, and control—while hiding in plain sight. And over 300 Android apps joined the chaos, running ad
From The Hacker News – Medusa Ransomware Uses Malicious Driver to Disable Anti-Malware with Stolen Certificates

From The Hacker News – Medusa Ransomware Uses Malicious Driver to Disable Anti-Malware with Stolen Certificates

The threat actors behind the Medusa ransomware-as-a-service (RaaS) operation have been observed using a malicious driver dubbed ABYSSWORKER as part of a bring your own vulnerable driver (BYOVD) attack designed to disable anti-malware tools. Elastic Security Labs said it observed a Medusa ransomware attack that delivered the encryptor by means of a loader packed using a packer-as-a-service (PaaS
From The Hacker News – Medusa Ransomware Hits 40+ Victims in 2025, Demands $100K–$15M Ransom

From The Hacker News – Medusa Ransomware Hits 40+ Victims in 2025, Demands $100K–$15M Ransom

The threat actors behind the Medusa ransomware have claimed nearly 400 victims since it first emerged in January 2023, with the financially motivated attacks witnessing a 42% increase between 2023 and 2024. In the first two months of 2025 alone, the group has claimed over 40 attacks, according to data from the Symantec Threat Hunter Team said in a report shared with The Hacker News. The