Ransomware Intelligence / Groups / clop
Ransomware group
clop
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.
- 0claims, 7 days
- 23claims, 30 days
- 113claims, 90 days
- 2026-07-31first seen
- 2026-09-23last seen
These are claims posted by the group on its leak site, counted when we first see them. They are not confirmed incidents, and we never name a victim.
Activity, last 26 weeks
New leak-site claims per week.
Sectors claimed, last 90 days
- Unclassified 113
Countries claimed, last 90 days
- Unknown 113
Vulnerabilities with known ransomware use
From CISA's Known Exploited Vulnerabilities catalog, newest first. The catalog does not attribute entries to a specific group; this is the current patch list for any ransomware operator.
| Added | CVE | Vendor / product | Vulnerability |
|---|---|---|---|
| 2026-08-18 | CVE-2026-59310 | Broadcom VMware vCenter | Broadcom VMware vCenter Path Traversal Vulnerability |
| 2026-08-05 | CVE-2026-63077 | JetBrains TeamCity | JetBrains TeamCity Deserialization of Untrusted Data Vulnerability |
| 2026-07-29 | CVE-2026-20316 | Cisco Secure Firewall Management Center (FMC) | Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability |
| 2026-07-14 | CVE-2026-15410 | SonicWall SMA1000 Appliances | SonicWall SMA1000 Appliances Code Injection Vulnerability |
| 2026-07-14 | CVE-2026-15409 | SonicWall SMA1000 Appliances | SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability |
| 2026-07-01 | CVE-2026-45659 | Microsoft SharePoint Server | Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability |
| 2026-06-25 | CVE-2026-12569 | PTC Windchill and FlexPLM | PTC Windchill and FlexPLM Improper Input Validation Vulnerability |
| 2026-06-12 | CVE-2026-35273 | Oracle PeopleSoft Enterprise PeopleTools | Oracle PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function Vulnerability |
Track clop in the weekly brief
One email a week: which groups are active in your sector, what they are exploiting, and what to patch. Drafted from the data on this site and read by a human before it goes out. No sales follow-up.
Data sources
- Source: CISA KEVupdated 3 hours ago
- Source: RansomLookupdated 3 hours ago
- Sector, country and region labels are inferred by SecuritySnares from the published organisation name using Claude; treat them as estimates.not yet synced
Leak-site listings reflect claims by threat actors and are not independently verified. Victims are never named on this site unless they have disclosed the incident themselves. Read the methodology.