Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: Files encrypted by Cekisan receive the suffix .cekisan (always lower-case). Renaming Convention: Original file → document.docx.cekisan Reports also show occasional double-bolus naming where two dots appear (abc.xlsx..cekisan). Do not rely on the confusion of double dots for exclusion rules—include both variants in YARA/Snort…

Community Resource – Ransomware with the extension .cebrc Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: 100 % of known victims observe the appended suffix “.cebrc” on every encrypted file. Renaming Convention: Original filename → <original_name>.<original_extension>.cebrc Example: Sales-2024.xlsx → Sales-2024.xlsx.cebrc No e-mail address, victim-ID, or random hex is inserted—just the single…

Below is a consolidated, expert-level reference on the CERBER 3 ransomware branch (file extension “.ceber3”), generated for immediate use by defenders, DFIR teams, and end-users. Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: “.ceber3” (case-insensitive) is applied to every successfully encrypted file. Renaming Convention: → [original_name].[original_ext].ceber3 If a file is called…

Ransomware Bulletin: “.cdyu” strain Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: Every encrypted file is appended with the secondary extension “.cdyu” (e.g., report.docx.cdyu, database.mdf.cdyu). Renaming Convention: Retains the original file name and first extension. Adds “.cdyu” as the final extension. Drops a plaintext ransom note called “_readme.txt” into every affected…

Technical Breakdown: File Extension & Renaming Patterns • Confirmation of File Extension: cdxx Every encrypted file has the literal suffix “.cdxx” appended after the original extension (e.g., report.xlsx.cdxx). A leading random two-digit hexadecimal (“xx”) is not used—the string “cdxx” itself is the extension. • Renaming Convention: Original file moves, not copies, then renamed: <original_file_name>.<original_ext>.cdxx Encrypted…

The Cdwe Ransomware Response Guide (last updated 15 Jun 2024) Technical Breakdown 1. File Extension & Renaming Patterns Confirmed extension: .cdwe (lower-case). Renaming pattern: Every file is given the original filename followed by a dot and the new extension – e.g., 2024-Invoice.xlsx.cdwe. Directory structure and NTFS alternate data streams are left intact. No ransom note…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: Files encrypted by the Cdtt ransomware (a STOP/Djvu family off-shoot) are suffixed with .cdtt. Renaming Convention: Original filenames are first trimmed so there are NO spaces, then appended with victim-ID, attacker e-mail, and the new extension in the pattern OriginalFileName[random-8-char-victim-ID].[contact-e-mail].cdtt Example: AnnualBudget.xlsx →…

Cybersecurity Intelligence Report Ransomware variant: cdrpt Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .cdrpt Renaming Convention: The ransomware renames every encrypted file by preserving the original filename but appending the lowercase extension “.cdrpt” after the last dot. Example: ProjectReport.xlsx → ProjectReport.xlsx.cdrpt 2. Detection & Outbreak Timeline Approximate Start Date/Period: First…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: .cdqw (always lowercase; appended to the original file name without changing the original extension). Renaming Convention: Original: Annual_Report_2023.xlsx After encryption: Annual_Report_2023.xlsx.cdqw No other elements (contact e-mail, victim-ID, timestamp, etc.) are inserted—just the additional .cdqw suffix. 2. Detection & Outbreak Timeline Approximate Start Date/Period:…

Comprehensive Resource: CDPO Ransomware A security-centric guide for defenders, incident responders, and every end-user impacted by “.cdpo” file encryption. 1. Technical Breakdown File Extension & Renaming Patterns Confirmation of File Extension: Victims observe the appended extension .cdpo (lower-case) on every encrypted file. The dot is added directly after the original extension, so report.xlsx becomes report.xlsx.cdpo.…