Clop (Windows)
- Malware type
- ransomware
- Family
- Malware family
- Profile updated
- 2026-07-07 12:41:06
Targeted industries: financial-services healthcare-and-pharmaceutical manufacturing technology-and-telecommunications
Context
Clop is a ransomware which uses the .clop extension after having encrypted the victim's files. Another unique characteristic belonging with Clop is in the string: "Dont Worry C|0P" included into the ransom notes. It is a variant of CryptoMix ransomware, but it additionally attempts to disable Windows Defender and to remove the Microsoft Security Essentials in order to avoid user space detection.
Exploited vulnerabilities
- CVE-2023-27350 (vulnerability)
Reports & references
- CrowdStrike — Report2020Crowdstrikeglobalthreatreport (report)
- telekom.com — Cybersecurity Ta505 S Box Of Chocolate 597672 (report)
- telekom.com — Cybersecurity Ta505 Returns With A New Bag Of Tricks 602104 (report)
- secureworks.com — Gold Tahoe (report)
- telekom.com — Eager Beaver A Short Overview Of The Restless Threat Actor Ta505 609546 (report)
- blog.fox-it.com — Ta505 A Brief History Of Their Time (report)
- CrowdStrike — Report2021Gtr (report)
- Microsoft — Raspberry Robin Worm Part Of Larger Ecosystem Facilitating Pre Ransomware Activity (report)
- CrowdStrike — How Big Game Hunting Ttps Shifted After Darkside Pipeline Attack (report)
- Trend Micro — Global Operations Lead To Arrests Of Alleged Members Of Gandcrab (report)
- blog.sensecy.com — Global Ransomware Attacks In 2020 The Top 4 Vulnerabilities (report)
- cisoclub.ru — Otchet Kompanii Group Ib Ransomware Uncovered 2020 2021 (report)
- docs.google.com — 1Mi8Z2Tbhmqq5X8Wf Ozv3Dvjz5Sjos 3 (report)
- ke-la.com — How Ransomware Gangs Find New Monetization Schemes And Evolve In Marketing (report)
- public.intel471.com — Ransomware As A Service 2020 Ryuk Maze Revil Egregor Doppelpaymer (report)
- Broadcom/Symantec — The Ransomware Threat September 2021 (report)
- vulnerability.ch — Ransomware And Date Leak Site Publication Time Analysis (report)
- web.archive.org — Otchet Kompanii Group Ib Ransomware Uncovered 2020 2021 (report)
- advanced-intel.com — Adversarial Perspective Advintel Breach Avoidance Through Monitoring Initial Vulnerabilities (report)
- bleepingcomputer.com — Three More Ransomware Families Create Sites To Leak Stolen Data (report)
- bsi.bund.de — Lagebericht2020 (report)
- cert.ssi.gouv.fr — Certfr 2020 Cti 001 (report)
- coveware.com — Ransomware Attack Vectors Shift As New Software Vulnerability Exploits Abound (report)
- cronup.com — De Ataque Con Malware A Incidente De Ransomware (report)
- flashpoint-intel.com — Cl0P And Revil Escalate Their Ransomware Tactics (report)