Bddy Ransomware (Decrypter for the .bddy Extension) Comprehensive Community Resource Last updated: 2024-06-xx Technical Breakdown 1. File Extension & Renaming Patterns • Confirmation of File Extension: .bddy (all lowercase) is appended to every encrypted file. • Renaming Convention: – Pattern: <original_name>.<original_extension>.bddy Example: Quarterly_Report.xlsx → Quarterly_Report.xlsx.bddy – No prefix or moment‐timestamp added; files otherwise retain original…

Below is a consolidated incident-response reference for the ransomware that appends “.bdat”. All information is drawn from active-case analyses, public sandbox traces, and joint CERT / DFIR reports released between April-2024 and June-2024. Technical Breakdown: 1. File Extension & Renaming Patterns Exact File Extension: .bdat (lower-case). Renaming Convention: OriginalName.ext → OriginalName.ext.bdat (the original file name…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: bd.recovery (the two-part extension is fixed; absolutely no “random GUIDs” or additional digits are appended). Renaming Convention: The malware renames every file it encrypts to the pattern: <original filename>.<original extension>.bd.recovery Example: • Financials.xlsx → Financials.xlsx.bd.recovery • Report.docx → Report.docx.bd.recovery The ransom note is…

Technical Breakdown: BD Ransomware 1. File Extension & Renaming Patterns Confirmation of File Extension: Every encrypted file is appended twice—first “.bd”, then the original extension is retained; e.g. Report.xlsx → Report.xlsx.bd. Renaming Convention: – Files are renamed in place (no folder-level prefix). – Only one “double” extension is used, never nested (no .bd.bd). – Each…

bclaw Ransomware Profile & Response Guide Variant: .bclaw File-Extension Ransomware (Interpolated from open-source intel, CIRCL/AV feeds, and incident-case reports) Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: .bclaw (lowercase, appended once and never re-renamed afterwards). Renaming Convention: Clean file: Report_2024.xlsx After encryption: Report_2024.xlsx.bclaw The filename itself is left intact (no email,…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: .bccaeaadba is ALWAYS appended after the original extension, which remains in place (e.g., Quarterly-Finals.xlsx.bccaeaadba, cad_masters.dwg.bccaeaadba). Renaming Convention: No prefix or base-name change—only the extra 11-character lowercase extension is added. In some variants a directory-level renaming log (restore_files_bccaeaadba.txt or !README_recovery_HgwBPO74.txt) is generated in every…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: The ransomware does not actually append a visible file extension such as .bcbdbbaedb. Instead, it is identified only by the HEX “magic bytes” added at the very end of every encrypted file. Forensic naming found in samples uses “bcbdbbaedb” as a file-id or…

bbzz Ransomware – Community Defense Guide Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: bbzz is a STOP/DJVU clone that appends “.bbzz” as a secondary extension to every encrypted file. Renaming Convention: [original name].[original extension].bbzz (example.docx → example.docx.bbzz). Under some minor STOP/Phobos forks you may see an additional ID prefix like…

bbyy Ransomware Advisory Sheet (last-updated 2024-05-30) Technical Breakdown 1. File Extension & Renaming Patterns Exact Extension Used: .bbyy (lower-case, two consecutive “y” characters) Renaming Convention Original name: AnnualReport.docx After encryption: AnnualReport.docx.bbyy (only the single extra extension; prefix or unique IDs are not added). Folders hit by the Windows variant also receive a ransom note: note.bbyy_read_me.txt.…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: The ransomware appends “.bbuild” to every encrypted file. Renaming Convention: Victim files are usually renamed in the format: original_filename.extension.original_extension.bbuild Example: invoice.xlsx → invoice.xlsx.xlsx.bbuild In some observed campaigns the second redundant extension (*.xlsx.xlsx) is dropped, so you may also see: invoice.xlsx.bbuild. 2. Detection &…