Darus Ransomware – Comprehensive Security Response Guide 1. Technical Breakdown 1.1 File Extension & Renaming Patterns Extension: .DARUS Renaming Convention: The malware concatenates the original file name with its own extension, then appends the campaign-specific victim-ID and e-mail contact inside curly braces immediately before the extension. Example: Q3Financials.xlsx.{EC8F1B79-217C-48E3-BD52-40FBFAC2F2A4}.DARUS Any directories that contain encrypted material receive…

────────────────────────────── Ransomware Deep-Dive: .darth (a.k.a. Darth Locker) ────────────────────────────── Technical Breakdown 1. File Extension & Renaming Patterns • Confirmation of File Extension: The malware indisputably appends .darth to every encrypted file in lower-case. • Renaming Convention: a) Original filename + underscore portion of the ransom note + 4-digit random string + .darth Example: Quarterly_Earnings_Q3.xlsx → Quarterly_Earnings_Q3_#darth1337.darth…

Dart Ransomware – Comprehensive Community Resource (Extn .dart | Dharma/CrySiS family) Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension The .dart extension is appended to every encrypted file, immediately following the original file extension, e.g. Document.docx → Document.docx.dart Renaming Convention Consistent pattern: <original_filename>.<original_extention>.dart No further random strings or prefixes are added—making…

Ransomware Profile: DARKSET-DARKENCRYPTOR Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: .darkset Renaming Convention: Victim files are renamed by appending the lowercase extension .darkset to the original file-name without altering the base name itself (e.g., 2024-budget.xlsx → 2024-budget.xlsx.darkset). A desktop wallpaper bitmap (darkset_wallpaper.bmp) is automatically created in %PUBLIC%\Pictures and is set…

Ransomware Deep-dive: darkodercryptor (extension .DARK) Technical Breakdown: 1. File Extension & Renaming Patterns Extension Used: .DARK The malware unconditionally appends “.DARK” as the final file suffix. Renaming Convention: Original filenames are kept intact, only the extension .DARK is appended. Example: 2024-Budget.xlsx → 2024-Budget.xlsx.DARK This convention makes it easy to locate encrypted files with simple directory…

Ransomware Intelligence Report – “.darkness” Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: The ransomware appends “.darkness” to every encrypted file. Example: Annual_Report.xlsx → Annual_Report.xlsx.darkness Renaming Convention: Original filename remains untouched (only the suffix .darkness is added). Files are NOT renamed into hexadecimal strings; full folder paths and names are preserved,…

darkmystic Ransomware – Community Reference Sheet (Updated: June 2024) Technical Breakdown: 1. File Extension & Renaming Patterns File Extension: .darkmystic Renaming Convention: Original file name → [originalname].[decimal-TIMESTAMP].<COMPUTER-NAME>_<RANDOM-UUID>.darkmystic Example: Financials.xlsx.20240605153111.DESKTOP-G4A9X_b9f7e2cc-3b4a-d9fe.darkmystic 2. Detection & Outbreak Timeline First observed in-the-wild: mid-April 2024 (Cyble Flash-Alert #A-24-04-17) Peak infection waves: – Wave 1: 2024-04-20 – 2024-05-01 (credential-spray + lateral SMB)…

Ransomware Brief: Extension used = “.darkkur” (asterisk () is an optional trailing byte—some victims see “.darkkur”, others “.darkkur123”, etc.) Technical Breakdown 1. File Extension & Renaming Patterns • Confirmed extension: .darkkur*, where * is a 0–4-character random numeric/alphanumeric suffix. • Renaming convention: Original file name is preserved but receives a secondary dot–append: document.pdf → document.pdf.darkkur7a…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: The ransomware appends .darkhack (case-insensitive, sometimes seen as .DARKHACK) to every file it encrypts. Renaming Convention: Affected files are renamed in one of the following patterns: <original_filename>.<original_extension>.darkhack – Example: project_budget.xlsx.darkhack If very long filenames are encountered, everything after the last “.” is replaced…

Technical Breakdown: Darkeye (.darkeye) Ransomware 1. File Extension & Renaming Patterns Confirmation of File Extension: .darkeye – every encrypted file is appended with exactly six additional lower-case characters: .darkeye (no random IDs, no email addresses). Renaming Convention: Original: AnnualBudget.xlsx Encrypted: AnnualBudget.xlsx.darkeye No prepended strings; directory structure remains intact. 2. Detection & Outbreak Timeline First Wild-Sightings:…