bqtlock is a ransomware operator no longer publishing new disclosures. Darkfield has indexed 5 public victims claimed by this operator between July 31, 2025 and October 11, 2025. Based on available intelligence, bqtlock is a recently emerged ransomware group first observed in July 2025, with documented attacks against at least five victims and appears to be financially motivated. The group's origin and affiliations remain unclear due to limited public documentation from established threat intelligence sources, though their targeting pattern suggests possible operation from regions outside their primary victim countries. Attack methodologies and technical capabilities have not been extensively documented by major security firms, though the group appears to focus on opportunistic targeting across diverse sectors including technology, public sector, and educational institutions. The ransomware primarily targets organizations in the United States and United Arab Emirates, suggesting either specific regional interests or exploitation of common vulnerabilities in these markets. Due to the group's recent emergence and limited public reporting from authoritative sources like CISA, FBI, or established security researchers, detailed information about their specific tools, tactics, and procedures remains undocumented in open-source intelligence. The group appears to remain active as of their recent identification in mid-2025, though their operational scale and long-term persistence remain to be determined.
How we know this. Operator profiles on Darkfield are built from continuous monitoring of every leak site the group is known to operate, cross-correlated with community-curated feeds (RansomLook, ransomware.live, RansomWatch, MISP-galaxy). Status flips from active to inactive when no new disclosure appears for 60 days. MITRE ATT&CK mappings shown in the interactive section below are sourced from CISA, vendor analysis, and the MITRE community catalog — we attribute each technique back to its source. Aliases reflect operator re-brands and affiliate splits.