RansomExx (Defray777)

malware OpenTrojan Threat Intelligence

Targeted enterprise ransomware

Source Attribution

Origin
MITRE
Source
Researchers
Verified
2026-08-26T16:07:01.550Z
Confidence
high

Source: Researchers · Verified: 2026-08-26T16:07:01.550Z · Confidence: high

Security Timeline

  • discovered RansomExx (Defray777) first observed
  • updated Encyclopedia entry reviewed (Phase 45C)

Quick Answer

RansomExx targets enterprises with Windows and Linux encryption plus a leak site. (attributes recorded from Researchers).

Definition

RansomExx targets enterprises with Windows and Linux encryption plus a leak site.

Overview

RansomExx targets enterprises with Windows and Linux encryption plus a leak site.

Behavior

  • Linux variant
  • leak site

First Seen

2018-01

Target

Targeted enterprise ransomware

Malware Intelligence

Family: RansomExx (Defray777)

Techniques: T1486, T1567

Targets: Targeted enterprise ransomware

Behavior:
  • Linux variant
  • leak site

References

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