Technical Breakdown of “betarasite” ransomware 1. File Extension & Renaming Patterns Exact Extension: .betarasite Files retain their original base name but are immediately suffixed with “.betarasite”, e.g. Report_Q2_2024.docx → Report_Q2_2024.docx.betarasite backup_db.sql → backup_db.sql.betarasite Internal Renaming Convention: File name and extension remain intact; no prefix or hash is prepended. A ransom note named –README–betarasite–.txt is dropped…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: .besub (always lower-case) is appended to every encrypted file. Renaming Convention: The ransomware preserves the original file name and all intermediate extensions, then appends the single .besub suffix. Example: 2024_Q1_Results.xlsx → 2024_Q1_Results.xlsx.besub Example: picture.001.jpg.backup → picture.001.jpg.backup.besub Inside each affected folder you will also…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: best (appears as an additional extension appended after the original extension—e.g., document.xlsx.best). Renaming Convention: original-name.original-extension.best. Original file names and inner folder structures remain legible; only the last extension is newly appended. 2. Detection & Outbreak Timeline Approximate Start Date/Period: The earliest samples tagged…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: .berosuce Renaming Convention: Files are appended with the static postfix “.berosuce” (e.g., report.xlsx.berosuce, family-photos.jpg.berosuce). Earlier versions maintain the original file name and extension intact, simply adding the new extension at the end. A small plaintext ransom note (_readme.txt in recent builds, older: _open_.txt)…

Berost Ransomware – Community Counter-Ransomware Resource v1.0 – compiled for IT teams, incident responders, and affected users Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .berost Example: Quarterly_Report_2024.xlsx → Quarterly_Report_2024.xlsx.berost Renaming Convention: DoppelPaymer/DoppelPaymer-Cartel variant. Files retain their original filename and path; the ransomware simply appends the single .berost suffix. No double…

BENTLEY Ransomware – Technical Profile & Definitive Recovery Guide (last updated 2024-06-19) Technical Breakdown 1. File Extension & Renaming Patterns File Extension: Files encrypted by this family are appended with “.bentley” (lowercase). Example: Q3-Financial-2024.xlsx becomes Q3-Financial-2024.xlsx.bentley. Renaming Convention: – Base filenames are untouched; only the additional .bentley suffix is added. – If a file was…

Ransomware Profile: .belgian_cocoa Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: The exact file suffix appended to every encrypted file is .belgian_cocoa. Renaming Convention: After encryption, files are renamed with the following pattern: OriginalName.<partial_hash为什么不能正常>brownie.<random_suffix>.belgian_cocoa Example: 2023_sales_report.xlsx → 2023_sales_reportx7f9a32brownie.E3B.belgian_cocoa The <partial_hash> segment is the first 6 characters of the Blake2b hash of…

Ransomware.beijing – Complete Mitigation & Recovery Guide (created for the CyberSec-Community, v1.1 – 18 Jun 2024) Technical Breakdown 1. File Extension & Renaming Patterns | Item | Detail | |—|—| | Confirmation of File Extension | “.beijing” – the string is appended as a secondary extension (e.g., budget_2024.xlsx.beijing). | | Renaming Convention | {original_filename}.{original_extension}.beijing •…

beets!ransom – Threat Intelligence & Community Recovery Guide Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: The definitive, final file extension appended by beets!ransom is .beets. Renaming Convention: Appends a 5-byte host identifier (hex, uppercase). Adds a 2-digit “version” (seen values 01–04 until today). Finishes with .beets. Example: Document.docx → Document.docx[A7C03]04.beets…

Beets Ransomware Community Resource Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .beets Renaming Convention: Beets leaves the original file name and folder structure intact, but appends the literal string .beets to every encrypted file. Example: Quarterly_Report.xlsx → Quarterly_Report.xlsx.beets 2. Detection & Outbreak Timeline Approximate Start Date/Period: First public samples surfaced…