Ransomware Profile: BlockBax* Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: .blockbax* (the asterisk is part of the public-facing branding; the literal extension appended to each encrypted file is always .blockbax). Renaming Convention: OriginalFileName.OriginalExtension.id<customer-ID 6–8 chars>.[<victim>@tutanota.com].blockbax Example — before encryption: Financials_Q3.xlsx After encryption: Financials_Q3.xlsx.id4A71F98.[[email protected]].blockbax 2. Detection & Outbreak Timeline Approximate Start…

Ransomware Resource – block_file12 (a.k.a. “Blocker 2.1” family) Below you will find the most current, evidence-based information compiled from incident-response cases, reverse-engineering reports, and trusted threat-intelligence feeds as of 11 June 2024. Treat every bullet as a time-sensitive recommendation; the landscape evolves rapidly. Technical Breakdown 1. File Extension & Renaming Patterns Extension: .block_file12 Renaming Convention:…

Technical Breakdown File Extension & Renaming Patterns • Confirmation of File Extension Files encrypted by Block ransomware receive the literal suffix “.block”. • Renaming Convention Original file names are not modified before the extension. For example: Contract_Q3_2024.docx → Contract_Q3_2024.docx.block In some samples an additional ID string (victim UID) is prepended or appended inside the ransom…

Bloccato Ransomware – Technical & Recovery Resource Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .bloccato (Italian: “blocked”). Renaming Convention: Original filename → file.jpg → file.jpg.bloccato. There is no additional prefix or hex-id prepended; the ransomware appends only the final 9-character extension. Directory-level “marker” file LEGGERE_ISTRUZIONI.html (or LEGGERE_ISTRUZIONI.txt) is dropped into…

Resource: blocatto Ransomware Guide Version: 1.0 – Last Updated: 2024-06-XX Technical Breakdown 1. File Extension & Renaming Patterns Confirmed Extension: .blocatto Files are double–extended, e.g., Document.docx.blocatto or Project.xlsx.blocatto; no additional prefix is added—thus the original file name is preserved before the new suffix. Renaming Convention: The ransomware only appends the extension, making recognition trivial in…

Technical Breakdown: “.bloc” Ransomware 1. File Extension & Renaming Patterns Confirmation of File Extension: The ransomware appends the exact extension “.bloc” in lowercase directly to the original file name without any delimiter. Example: Document.docx → Document.docx.bloc Renaming Convention: – No prefix or additional file ID is added. – All files within reached folders (local, removable,…

Technical Breakdown – Ransomware Family Associated with .blo 1. File Extension & Renaming Patterns • Confirmation of File Extension: {{ $json.extension }} = .blo • Renaming Convention: The attacker appends the lowercase string .blo to every encrypted file. Example transformation: AnnualReport.xlsx → AnnualReport.xlsx.blo Quarterly Backup.zip → Quarterly Backup.zip.blo The ransomware does not alter the original…

Ransomware Family Guide: “BLM” (Responsible for the .blm extension suffix on encrypted files) Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: All encrypted files receive the suffix .blm (e.g., report.xlsx.blm, photo.jpg.blm). Renaming Convention: BLM rarely changes the core filename. Instead, it simply appends .blm after the original extension. Windows users therefore…

Technical Breakdown (RANSOMWARE BLİUN) 1. File Extension & Renaming Patterns Confirmation of File Extension: The ransomware appends “.bliun” (sometimes observed as “.bliúñ” on UTF-8-unfriendly volumes) after the last dot of every encrypted file. Renaming Convention: Original name → <original_name>.<16-byte_HEX_ID>.bliun Example: Quarterly_Report.xlsx becomes Quarterly_Report.xlsx.4EF2A7C193D6A81B.bliun 2. Detection & Outbreak Timeline Approximate Start Date/Period: First samples surfaced 21…

Technical Breakdown for .blind2 Ransomware 1. File Extension & Renaming Patterns Confirmation of File Extension: Victims will notice that every encrypted file ends with .blind2, e.g. Budget_Q2.xlsx.blind2. Renaming Convention: The ransomware: Preserves the original file name + original extension first. Appends a dot-sequence + 10-lower-case hexadecimal digits as an identifier (tie-back to the attacker’s key…