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BQTLock and GREENBLOOD Ransomware Cause Significant Business Disruption

BQTLock and GREENBLOOD Ransomware Cause Significant Business Disruption

First seen 11 Feb 2026, 19:30 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 16:10 UTC

BQTLock and GREENBLOOD are newly identified ransomware threats that have emerged, targeting businesses for rapid disruption. BQTLock employs stealth techniques, including credential theft and screen capture, while GREENBLOOD utilizes Go-based encryption for swift operational impact. Both ransomware types pose risks of data breaches alongside their primary ransomware functions.

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Updated 213d ago How this analysis works

Timeline

2026-02-11
ANY.RUN releases findings on BQTLock and GREENBLOOD
2026-02-11
BQTLock identified as stealth-focused ransomware
2026-02-11
GREENBLOOD reported to disrupt operations in minutes

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