The Gentlemen RaaS Uses GentleKiller EDR Framework Targeting 400 Security Processes

The Gentlemen ransomware-as-a-service RaaS operation is actively developing and maintaining a suite of endpoint detection and response EDR killers that it hands out to affiliates for impairing system defenses before deploying the encryptor. This mature portfolio of EDR-terminating tools is center...

The Gentlemen Ransomware Claims 478 Victims, Can Spread Like a Worm

A new analysis of The Gentlemen operation has revealed that the financially motivated threat group initially operated as an affiliate responsible for conducting double extortion attacks, while leveraging resources from various ransomware-as-a-service RaaS schemes like LockBit aka Tenacious Mantis...

The Gentlemen ransomware: Dissecting a self-propagating Go encryptor

In this article 1. Pre-encryption 2. File encryption 3. Post-encryption 4. Defending against The Gentlemen ransomware 5. Microsoft Defender detections and hunting guidance 6. Indicators of compromise Ransomware that combines robust encryption with rapid lateral movement significantly increases th...

The Gentlemen Ransomware Gang Hit by Internal Breach, Operations Exposed

The Gentlemen ransomware gang suffered an internal breach in May 2026, exposing victim data, affiliate activity, and backend operations...

SystemBC C2 Server Reveals 1,570+ Victims in The Gentlemen Ransomware Operation

Threat actors associated with The Gentlemen ransomware‑as‑a‑service RaaS operation have been observed attempting to deploy a known proxy malware called SystemBC. According to new research published by Check Point, the command-and-control C2 or C&C server linked to SystemBC has led to the discover...

Unmasking The Gentlemen Ransomware: Tactics, Techniques, and Procedures Revealed

An analysis of the Gentlemen ransomware group, which employs advanced, adaptive tactics, techniques, and procedure to target critical industries worldwide...