No Manners Here: The Ruthless Rise of The Gentlemen Ransomware
Incidents: The Gentlemen ransomware offers affiliates a 90% payout, exploits edge devices, and uses custom tools like 'GentleKiller' for defense evasion.
Deep Analysis and Expert Commentary
The Gentlemen ransomware represents a significant escalation in the RaaS landscape, leveraging a dual-language approach (C and Go) to maximize cross-platform impact. Their initial access techniques are diverse, targeting edge devices, VPNs, and exploiting stolen credentials. The use of 'GentleKiller,' an EDR killer framework, and suspected zero-day exploits underscores their advanced defense evasion capabilities. The partnership with HasanBroker's BreachForums amplifies their recruitment of skilled affiliates. Organizations must prioritize patching known vulnerabilities, deploying phishing-resistant MFA, and enhancing network segmentation to mitigate lateral movement. Continuous monitoring for anomalous traffic and behavioral alerts for suspicious activities are critical to disrupt their operations.
Action Items
- Patch vulnerabilities in edge devices and VPNs immediately.
- Deploy phishing-resistant multi-factor authentication on all systems.
- Monitor for anomalous outbound traffic and behavioral alerts.
Original Article Brief Intro
Palo Alto Unit 42 · 2026-07-10 · Incidents: The Gentlemen ransomware offers affiliates a 90% payout, exploits edge devices, and uses custom tools like 'GentleKiller' for defense evasion.
Related Terms and Notes
Malware Families
- GentleKiller — A custom EDR killer framework used by The Gentlemen ransomware to evade detection.
- Ransomware
- Ransomware-as-a-Service — A model where ransomware developers lease their malware to affiliates in exchange for a share of the profits.
Techniques / TTPs
- Zero-Day
- Zero-Day Exploit
Context Notes
- BreachForums
- EDR Killer
- GentleKiller
- RaaS