Ransomware group profile · #296 by claimed victims
Nightsky ransomware
Night Sky is a China-nexus ransomware group (attributed to the "Emperor Dragonfly" cluster) that emerged in late 2021, gaining notoriety in early 2022 by exploiting the Log4Shell vulnerability (CVE-2021-44228) to target corporate networks across healthcare, finance, government, and manufacturing using multi-extortion tactics.
Victimology
Who Nightsky claims to have breached, from 2 leak-site posts recorded by VULONE.
Claims per month last 12 months
Top sectors
Top countries
Latest claimed victims 2 most recent
| Victim | Sector | Country | Claimed |
|---|---|---|---|
| AKIJ GROUP | Manufacturing | — | 4 Jan 2022 |
| æ±äº¬ã³ã³ãã¥ã¼ã¿ãµã¼ãã¹ | Technology | — | 4 Jan 2022 |
All 2 Nightsky victims, searchable
Full victim list with claim posts, domains, timing and exports, plus the negotiation chats and leak-site screenshots VULONE archives for this crew.
Tactics, techniques and procedures
ATT&CK technique mapping for Nightsky is in progress. Victimology, infrastructure status and leak-site tracking are live above.
Indicators, detections and the full playbook
Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.
Frequently asked
Is Nightsky ransomware still active?
How many victims has Nightsky claimed?
Which industries does Nightsky target?
Which countries are most affected by Nightsky?
Where does VULONE get Nightsky victim data?
Other ransomware groups
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Akira
ClopVictim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 16 September 2026. Questions or corrections: [email protected].
