Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: The ransomware appends .cxk_nmsl to every file it encrypts, e.g. annual-report.xlsx.cxk_nmsl Renaming Convention: • Files keep their original extension, then the ransomware simply “glues” the new double-suffix on the end. • No directory renames and no base-name changes—only the extra 9-byte suffix is…

Technical Breakdown for CXK-NMSL 1. File Extension & Renaming Patterns Confirmation of File Extension: .cxk-nmsl (always lowercase, hyphenated). Renaming Convention: The encryptor inserts the extension after the original extension without replacing it. Original: 2024_Budget.xlsx After encryption: 2024_Budget.xlsx.cxk-nmsl The malware also drops a plain-text note CXK-NMSL-README.txt in every folder it touches and copies the same note…

Ransomware Resource for the .cxk encryption marker (cc-by-sa, updated 24 March 2024) Technical Breakdown 1. File Extension & Renaming Patterns Exact marker: Files are renamed with the suffix .cxk (lower-case). Renaming Convention: Example before & after: Contract_Q1.xlsx → Contract_Q1.xlsx.cxk No e-mail address, victim-ID, or additional tokens are pre-pended; the ransomware keeps the original file name…

Below is a single-stop, field-tested reference for the ransomware that appends “.cvosi” to each victim file. Treat it like a living document—check the “Sources / Live Intel” block at the end before trusting that the circumstances have not changed. TECHNICAL BREAKDOWN File Extension & Renaming Pattern • Confirmation of Extension: “.cvosi” in lower-case. • Renaming…

Comprehensive Ransomware Report Threat Identifier: .cvenc (reported in-the-wild as “Cvenc” / “CVENC Locker” cluster) The following document consolidates open-source intelligence, CERT/FBI advisories, underground forum chatter, and validated customer incident data up to July 2024. Technical Breakdown 1. File Extension & Renaming Patterns Exact file extension appended: .cvenc What will be seen on disk → Contract_FY2024.xlsx.cvenc…

Ransomware Profile: CVE Ransomware (.cve extension) Authoritative guide for incident responders, security teams, and affected users Last updated: 2024-06-12 Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: Every encrypted file receives the exact suffix .cve appended directly to the original name. Example: Annual-Report.xlsx → Annual-Report.xlsx.cve Renaming Convention: • No additional random…

CVC Ransomware – Technical Resource & Community Guide Extension in the Spotlight: {{ $json.extension }} = .cvc This is the first known ransomware family that locked victim files with the string “.cvc” appended to every affected filename. Victim files typically become: OriginalFile.docx → OriginalFile.docx.cvc Technical Breakdown 1. File Extension & Renaming Patterns Exact extension: .cvc…

**Ransomware Briefing – “CV0” Family (aka **[original-filename]._CV0_[ID]) Technical Breakdown 1. File Extension & Renaming Patterns Exact extension used: ._CV0_ Typical renaming convention: <original-file-name>.<original-extension>._CV0_<8-hex-char-machine-ID> Example: ProjectBudget.xlsx._CV0_DE03FA2C The extension always begins with the static token ._CV0_ followed by an 8-character hexadecimal identifier unique to the victim. Directory traversal does NOT rename system-critical paths (Program Files, Windows, etc.)…

Technical Breakdown: ─────────────────── File Extension & Renaming Patterns • Confirmation of File Extension: “.curumim” (lowercase; appended after the original extension—so report.xlsx → report.xlsx.curumim). • Renaming Convention: Besides the extension swap, filenames remain unchanged; however, in a few strains nicknamed “black-curumim”, a 64-byte hexadecimal “proof-of-ID” string is also prefixed (e.g., 9F765C[…]0AB_report.xlsx.curumim). Detection & Outbreak Timeline •…

Cursodfir Ransomware Community Resource Guide [Variant identified by file extension: .cursodfir] Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: “LOCKED.cursodfir” Renaming Convention: Original file 2024_Budget.xlsx → 2024_Budget.xlsx.LOCKED.cursodfir (two-tier suffix). Zero-byte placeholders are written with the same name to mislead backups. Folders receive a drop-note HOW_TO_UNLOCK.txt and (later) HELP_SCREEN.jpg. 2. Detection &…