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 — Report2021Gtr (report)
- medium.com — Operation Synctrek E5013Df8D167 (report)
- Mandiant — Financially Motivated Actors Are Expanding Access Into Ot (report)
- zdnet.com — The Malware That Usually Installs Ransomware And You Need To Remove Right Away (report)
- Palo Alto Unit 42 — Clop Ransomware (report)
- actu.fr — Une Rancon Apres Cyberattaque Chu Rouen Ce Reclament Pirates 29475649 (report)
- asec.ahnlab.com — 19542 (report)
- asec.ahnlab.com — Analysis Reportclop Ransomware (report)
- github.com — Tafof Unpacker (report)
- github.com — Clop.Md (report)
- github.com — Clop.Md (report)
- krebsonsecurity.com — Ukrainian Police Nab Six Tied To Clop Ransomware (report)
- labs.sentinelone.com — Breaking Ta505S Crypter With An Smt Solver (report)
- media.kasperskycontenthub.com — Common Ttps Of The Modern Ransomware Low Res (report)
- medium.com — Unpacking Clop 416B83718E0F (report)
- Kaspersky — 106824 (report)
- McAfee — Clop Ransomware (report)
- therecord.media — Ukrainian Police Arrest Clop Ransomware Members Seize Server Infrastructure (report)
- twitter.com — 1338692764121251840 (report)
- binance.com — Binance Helps Take Down Cybercriminal Ring Laundering %24500M In Ransomware Attacks (report)
- bleepingcomputer.com — Clop Ransomware Gang Is Back Hits 21 Victims In A Single Month (report)
- bleepingcomputer.com — Cryptomix Clop Ransomware Says Its Targeting Networks Not Computers (report)
- bleepingcomputer.com — Indiabulls Group Hit By Clop Ransomware Gets 24H Leak Deadline (report)
- bleepingcomputer.com — Ransomware Gang Says They Stole 2 Million Credit Cards From E Land (report)
- bleepingcomputer.com — Ransomware Gang Urges Victims Customers To Demand A Ransom Payment (report)