JanaWare Ransomware Ransom Note _ONEMLI_NOT_ Written to Disk (via file_event)

ATT&CK techniques

Impact

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
- T1486Data Encrypted for Impact

What it detects

This rule detects the JanaWare ransomware writing its _ONEMLI_NOT_ ransom note across folders as it completes encryption in attacks against Turkish organizations. Adversaries drop this hardcoded Turkish-language note filename in every encrypted directory. The fixed prefix is a reliable post-impact detection anchor.

Reporting behind it

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JanaWare Ransomware Ransom Note _ONEMLI_NOT_ Written to Disk (via file_event)

Pivot detection · T1486 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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