In 2024, LockBit was the ransomware group most frequently dataected on dark web leak sites. The research found 266 detections of this ransomware. RansomHub ranked second, with 249 mentions.
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Trend Micro. (March 26, 2025). Ransomware families most frequently detected on dark web leak sites in 2024 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 21, 2026, from /statistics/1382224/ransomware-families-detected-dark-web/
Trend Micro. "Ransomware families most frequently detected on dark web leak sites in 2024." Chart. March 26, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 21, 2026. /statistics/1382224/ransomware-families-detected-dark-web/
Trend Micro. (2025). Ransomware families most frequently detected on dark web leak sites in 2024. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 21, 2026. /statistics/1382224/ransomware-families-detected-dark-web/
Trend Micro. "Ransomware Families Most Frequently Detected on Dark Web Leak Sites in 2024." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 26 Mar 2025, /statistics/1382224/ransomware-families-detected-dark-web/
Trend Micro, Ransomware families most frequently detected on dark web leak sites in 2024 ÌÇÐÄÆÆ½â°æ, /statistics/1382224/ransomware-families-detected-dark-web/ (last visited July 21, 2026)
Ransomware families most frequently detected on dark web leak sites in 2024 [Graph], Trend Micro, March 26, 2025. [Online]. Available: /statistics/1382224/ransomware-families-detected-dark-web/