clop
ransomware group · aka Clop, Cl0p, TA505, FIN11 (related tracking, Mandiant), Lace Tempest (Microsoft) · Russia (widely assessed as Russian-speaking; exact attribution unknown) · active since 2019 (Clop ransomware); precursor TA505/FIN11 activity tracked since 2016
Clop (Cl0p) is a Russian-speaking data-extortion group long associated with the TA505 and FIN11 actor designations, known for high-volume extortion built on data theft rather than file encryption. The group is best known for mass exploitation of managed file transfer products: Accellion FTA (2020-21), SolarWinds Serv-U (2021), Fortra GoAnywhere (2023), Progress MOVEit (2023), Cleo (2024), and Oracle E-Business Suite (2025), affecting thousands of organizations. Its playbook combines SQL injection and webshell exploitation for initial access, large-scale exfiltration, leak-site listings, and mass email extortion campaigns aimed at victims' customers and partners. Public impact tallies (Emsisoft, 2023) counted 2,700+ organizations affected in the MOVEit campaign, but a confirmed aggregate earnings figure has not been published. Leak-site tracking on this dashboard shows continued activity, with 2 posts in the past 7 days (HENRYPRATT.COM, HARLEY-DAVIDSON.COM) as of 2026-09-10.
- Mass exploitation of internet-facing managed file transfer software (MOVEit, GoAnywhere, Accellion FTA, Serv-U, Cleo, Oracle EBS)
- Exfiltration-first extortion: data theft without encryption; victims published on the Cl0p leak site
- SQL injection and webshell deployment in file-transfer intrusions (e.g., MOVEit human2.aspx webshell)
- Mass email extortion campaigns sent to victims' customers and partners to amplify pressure
- Historic spearphishing with macro-enabled Office documents for initial access (TA505-era)
- Use of rclone for bulk exfiltration reported in some file-transfer campaigns
- Ransomware deployment (Clop) in some intrusions, though major campaigns since 2023 are largely encryption-free
- Public deadlines on leak-site listings to pressure negotiations
Shell (Accellion FTA, 2020-21; MOVEit, 2023), Deloitte (MOVEit, 2023), Sony Interactive Entertainment (MOVEit, 2023), US Department of Energy (MOVEit, 2023), British Airways and BBC (via payroll provider Zellis, GoAnywhere campaign, 2023), Community Health Systems (GoAnywhere, 2023), New Zealand Stock Exchange (Accellion FTA, 2020), Singing River Health System (Accellion FTA, 2020-21), Harley-Davidson (listed on Cl0p leak site)
No public figure.
Leak-site victims2,302 posts · newest first
| Victim | Discovered | Details |
|---|---|---|
| SUNSETHCS.COM FILES PART8 PUBLISHED | · Oct 15, 2021 | — |
| EMPIRICAL-RESEARCH.COM FILES PART5 - 172.18.0.8 PUBLISHED | · Oct 15, 2021 | — |
| BRPRINTERS.COM FILES PART6 PUBLISHED | · Oct 15, 2021 | — |
| STORAFILE.CO.UK FILES PART10 PUBLISHED | · Oct 15, 2021 | — |
| BLUEBONNETNUTRITION.COM FILES FILES PART7 PUBLISHED | · Oct 15, 2021 | — |
| BPATPA.COM FILES PART7 PUBLISHED | · Oct 15, 2021 | — |
| DACOLL.CO.UK FILES PART1 - EXTRACTED PST FILES PUBLISHED | · Oct 15, 2021 | — |
| GENESISNET.COM FILES PART14 PUBLISHED | · Oct 15, 2021 | — |
| DACOLL.CO.UK FILES PART2 - EXTRACTED PST FILES PUBLISHED | · Oct 15, 2021 | — |
| BRPRINTERS.COM FILES PART7 PUBLISHED | · Oct 15, 2021 | — |
| STORAFILE.CO.UK FILES PART11 PUBLISHED | · Oct 15, 2021 | — |
| BLUEBONNETNUTRITION.COM FILES FILES PART8 PUBLISHED | · Oct 15, 2021 | — |
| BPATPA.COM FILES PART8 PUBLISHED | · Oct 15, 2021 | — |
| EMPIRICAL-RESEARCH.COM FILES FILES PART6 - 208.100.41.212 PUBLISHED | · Oct 15, 2021 | — |
| SUNSETHCS.COM FILES PART9 PUBLISHED | · Oct 15, 2021 | — |
| STRATISVISUALS.COM FILES FILES PART3 - [email protected], STRATISRFQ@STRATISV | · Oct 15, 2021 | — |
| GENESISNET.COM FILES PART11 - 10.0.70.121\ATS_FILESHARE\Project_Management\VERIZON\ADM 18 | · Oct 5, 2021 | — |
| EMPIRICAL-RESEARCH.COM FILES PART3 - [email protected] PUBLISHED | · Oct 5, 2021 | — |
| BRPRINTERS.COM FILES PART4 PUBLISHED | · Oct 5, 2021 | — |
| STORAFILE.CO.UK FILES PART8 PUBLISHED | · Oct 5, 2021 | — |
| BLUEBONNETNUTRITION.COM FILES FILES PART5 PUBLISHED | · Oct 5, 2021 | — |
| BPATPA.COM FILES PART5 PUBLISHED | · Oct 5, 2021 | — |
| SUNSETHCS.COM FILES *<em>PART6</em> PUBLISHED | · Oct 5, 2021 | — |
| AUROBINDO.COM FILES PART13 PUBLISHED | · Oct 5, 2021 | — |
| UTILITYTRAILER.COM FILES PART12 PUBLISHED | · Oct 5, 2021 | — |
| UTILITYTRAILER.COM FILES PART13 PUBLISHED | · Oct 5, 2021 | — |
| AUROBINDO.COM FILES PART14 PUBLISHED | · Oct 5, 2021 | — |
| UTILITYTRAILER.COM FILES PART14 PUBLISHED | · Oct 5, 2021 | — |
| AUROBINDO.COM FILES PART15 PUBLISHED | · Oct 5, 2021 | — |
| AUROBINDO.COM FILES PART16 PUBLISHED | · Oct 5, 2021 | — |
| UTILITYTRAILER.COM FILES PART15 PUBLISHED | · Oct 5, 2021 | — |
| AUROBINDO.COM FILES PART17 PUBLISHED | · Oct 5, 2021 | — |
| UTILITYTRAILER.COM FILES PART16 PUBLISHED | · Oct 5, 2021 | — |
| AUROBINDO.COM FILES PART18 PUBLISHED | · Oct 5, 2021 | — |
| UTILITYTRAILER.COM FILES PART17 PUBLISHED | · Oct 5, 2021 | — |
| AUROBINDO.COM FILES PART19 PUBLISHED | · Oct 5, 2021 | — |
| UTILITYTRAILER.COM FILES PART18 PUBLISHED | · Oct 5, 2021 | — |
| VALLEY TRUCK & TRACTOR FILES PART1 PUBLISHED | · Oct 5, 2021 | — |
| VALLEY TRUCK & TRACTOR FILES PART2 PUBLISHED | · Oct 5, 2021 | — |
| RMICO.COM FILES PART1 PUBLISHED | · Oct 5, 2021 | — |
| ZUCCHETTIKOS.IT FILES PART1 PUBLISHED | · Oct 5, 2021 | — |
| GOABCO.COM FILES PART1 PUBLISHED | · Oct 5, 2021 | — |
| PENBENS.COM FILES PART1 PUBLISHED | · Oct 5, 2021 | — |
| ZUCCHETTIKOS.IT FILES PART2 PUBLISHED | · Oct 5, 2021 | — |
| GOABCO.COM FILES PART2 PUBLISHED | · Oct 5, 2021 | — |
| PENBENS.COM FILES PART2 PUBLISHED | · Oct 5, 2021 | — |
| RMICO.COM FILES PART2 PUBLISHED | · Oct 5, 2021 | — |
| ZUCCHETTIKOS.IT FILES PART3 PUBLISHED | · Oct 5, 2021 | — |
| GOABCO.COM FILES PART3 PUBLISHED | · Oct 5, 2021 | — |
| PENBENS.COM FILES PART3 - FINAL PUBLISHED | · Oct 5, 2021 | — |