Malicious Hunters International Ransomware Encryptor Execution via Distinctive CLI Flags (via process_creation)

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-09-26
Updated
2026-09-26

ATT&CK techniques

Impact
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Discovery

  10. Lateral Movement

  11. Collection

  12. C2

  13. Exfiltration

What it detects

This rule detects the Hunters International encryptor invoked with its distinctive flags such as --low-key, --no-erase and --no-remote documented by Group-IB. Adversaries pass these flags to control process termination, skip files and limit remote encryption during deployment, so the combination is a high-confidence sign of Hunters encryption.

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