Comprehensive Guide to the cs16 Ransomware Variant Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: Files are overwritten with the single extension .cs16 (no space or separator after the original name). Renaming Convention: Original: Project.docx, Ledger.xlsx, Archive_2023.pdf After encryption:** Project.docx.cs16, Ledger.xlsx.cs16, Archive_2023.pdf.cs16 No email addresses or ransom-ID are appended—simple overwrite keeps…

Ransomware Profile: CRYZP Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .cryzp (always in lower-case). Renaming Convention: The malware keeps the original filename and appends “.cryzp” as a suffix. Example: budget_2024Q1.xlsx becomes budget_2024Q1.xlsx.cryzp. Directory traversals reveal no additional sub-string alterations (no e-mail addresses, no hexadecimal IDs). 2. Detection & Outbreak Timeline…

Technical Breakdown: cryt0y Ransomware 1. File Extension & Renaming Patterns Confirmation of File Extension: Every encrypted file receives the .cryt0y suffix in addition to its original extension (e.g., Invoice.xlsx.cryt0y). Renaming Convention: Original filenames remain intact with .cryt0y appended last. The malware does not prepend hex IDs, change the icon, or rename full paths—reducing obvious visual…

Crystal Ransomware Advisory & Recovery Playbook Extension: .crystal Tags: CRYSTAL-MARK, Chaos-derivative, Malware-as-a-Service (MaaS) Technical Breakdown 1. File Extension & Renaming Patterns Confirmed suffix: Every encrypted file gains “.crystal” (lowercase) appended at the end (e.g., project.docx → project.docx.crystal) regardless of prior extension type. Renaming Convention: Original filename remains untouched except for adding the extension. No email/ID…

CrySphere Ransomware – Technical & Operational Intelligence Report (Covering the “.crySphere” file-extension ransomware observed in the wild) 1. File Extension & Renaming Patterns Exact File Extension: .crySphere (sometimes written as .crysphere). Renaming Convention: Original file Document.docx → Document.docx.id-[8-hex-ransom-id].[[ransom-email]].crySphere Malware always leaves the original extension in the middle (.docx) so operators can quickly identify which data…

Technical Breakdown – CrySiS / Dharma / .wallet / .onion / .java / .bip / .combo / .xxxxx family 1. File Extension & Renaming Patterns Confirmation of File Extension: CrySiS does not use a single fixed extension. Historically you will see: .wallet, .onion, .java, .bip, .combo, .arrow, .brr, .write, .red, .cezar, .combo, .cobra, .ETH, .air,…

Technical Breakdown 1. File Extension & Renaming Patterns | Field | Details | |——-|———| | Confirmation of File Extension | .crypz (case–insensitive, so .CRYPZ appears as well). | | Renaming Convention | Executables prepend the original name and add the new extension, e.g. Q1-Sales.xlsx → Q1-Sales.xlsx.crypz. In some samples the ransomware also drops a zero-byte…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: crypy consistently appends the literal extension “.crypy” to every file it encrypts. Renaming Convention: – Original filename is preserved, followed immediately by “.crypy” (e.g., QuarterlyReport.xlsx.crypy). – There is no prefixing ID string or victim hex-UID; structure remains clean basename + original extension +…

CryptZ Ransomware Community Guide (Emerging variant that uses the file-extension .cryptz) SECTION 1 — TECHNICAL BREAKDOWN 1. File Extension & Renaming Patterns Exact Extension Added: .cryptz (lower-case, Windows does not see a double extension, so Report.xlsx → Report.xlsx.cryptz) Renaming Convention: Original file is overwritten in-place; only the final extension is appended. Unlike many families, CryptZ…

Technical Breakdown: 1. File Extension & Renaming Patterns Extension used: CryptXXX v4.0 appends “.crypt” to every encrypted file (e.g., QuarterlyReport.xlsx → QuarterlyReport.xlsx.crypt). Renaming convention: Original filenames are left intact; only the double-extension .<original>.crypt is added. Pre-v3 variants changed the whole filename, so this “append-only” style is a quick visual clue that v4 is involved. 2.…