Technical Breakdown: CYPHER Ransomware (.cypher extension) 1. File Extension & Renaming Patterns Confirmation of File Extension: .cypher (always lowercase). The ransomware appends .cypher to the original filename after the original extension, creating a double-extension pattern on Windows systems where file extensions are hidden by default (e.g., budget.xlsx.cypher, report.pdf.cypher). Renaming Convention: Files retain their original names…

Cyn Ransomware – Community Resource v1.3 Compiled by: CyberSec Incident Response Team (Latest revision: 2024-11-18) Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .cyn (all lower-case) Renaming Convention: Files keep their original name but are appended with .<8_hex_chars>.cyn Example: Project-Feb2024.xlsx → Project-Feb2024.xlsx.4F1B7A9E.cyn If no prior extension exists, the ransomware adds the…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: cymcrypt adds .cymcrypt as a suffix to every encrypted file after the original extension (e.g., report.docx → report.docx.cymcrypt). Renaming Convention: No base-name change is made beyond the appended extension, making it very easy to spot affected volumes with a simple dir *.cymcrypt or…

Ransomware Defense Guide: “cylance” Variant (Also referred to in the wild as “Cylance Ransomware”, “CylanceLocker”, or confusingly misusing the name of the legitimate Cylance® AV product. Do NOT confuse the two.) Technical Breakdown 1. File Extension & Renaming Patterns • Confirmation of File Extension: Encrypted data receive the .cylance extension. Example: Quarterly_Report.xlsx → Quarterly_Report.xlsx.cylance There…

Cyclops Ransomware Threat Intelligence Report Author: Cyber-Security Ransomware Response Team Reference ID: RS-CYCL-2024-05 Technical Breakdown 1. File Extension & Renaming Patterns • Confirmation of File Extension: Every successfully encrypted file is appended with .cyclops (lower-case, no leading dot separator if the file originally lacked an extension, resulting in filename.cyclops or folder.ext.cyclops). • Renaming Convention: –…

Technical Breakdown – .cyclone-crypt Ransomware 1. File Extension & Renaming Patterns Confirmation of File Extension: During the last phase of encryption every affected file receives the double extension .cyclone-crypt (e.g., report.xlsx → report.xlsx.cyclone-crypt). A short random Base64-like tail (-cyc-[0-9a-zA-Z]{6}) is sometimes appended to ensure uniqueness (report.xlsx.cyclone-crypt-cyc-A1b2C3). Renaming Convention: Original file is copied into an encrypted…

Cyborg* ransomware Resource Pack (File extension: .cyborg — the asterisk is part of the ransom-note branding, not part of the actual appended extension) 1. Technical Breakdown 1.1 File Extension & Renaming Patterns Appended Extension: The malware adds .cyborg (lowercase) as the last extension to every encrypted file. Example: Quarterly_Report.xlsx → Quarterly_Report.xlsx.cyborg Renaming Convention: No obfuscation…

Cyborg (CyborgBuilder) Ransomware: Technical Deep-Dive & Recovery Playbook Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: Cyborg appends .777 to every encrypted file. Renaming Convention: Original: 2024-budget.xlsx → Encrypted: 2024-budget.xlsx.777 Folders are not renamed; only the internal files receive the extension. No email, Tor-ID, or victim-ID strings are prepended—making it easy…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: .cybervolk_blackeye Renaming Convention: The payload strips the original extension, concatenates the victim’s unique ID, and then appends the double-tagged suffix .cybervolk_blackeye. Example: Report2024.docx → Report2024.[2BA3A7F81C73D452].cybervolk_blackeye 2. Detection & Outbreak Timeline Approximate Start Date/Period: First public appearance traced to underground forums on 14 June…

Technical Breakdown of “Cybersoldiersst” Ransomware (.cybersoldiersst) 1. File Extension & Renaming Patterns Confirmation of File Extension: .cybersoldiersst Renaming Convention: After encryption, each file is renamed in the pattern OriginalName.<original-extension>.id-<8-random-hex>.cybersoldiersst. Example: QuarterlyReport.xlsx becomes QuarterlyReport.xlsx.id-AFC3D2E7.cybersoldiersst 2. Detection & Outbreak Timeline Approximate First Sightings: November 2023 (initial telemetry reports on Twitter, ID-Ransomware, and Reddit), with a marked spike…