Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: Files encrypted by BlackHat are given the extension .blackhat* (the star is a literal asterisk appended to every file name). Renaming Convention: original_name.jpg becomes original_name.jpg.blackhat*, QuarterlyReport.docx becomes QuarterlyReport.docx.blackhat*, etc. There is no ransom token or victim ID inserted into the filename, so two…

BlackHat Ransomware Resource A community‐oriented technical dossier compiled by the CERT/CSIRT desk Technical Breakdown 1. File Extension & Renaming Patterns Confirmed extension appended: .blackhat (lower-case, 9 bytes long). Victim example: Quarterly_Report.xlsx → Quarterly_Report.xlsx.blackhat Renaming Suite Used by Family (if Mutations Emerge): Some strains also pre-pend a victim-ID in square brackets before the extension, e.g. [ID-7A64CB2B]Quarterly_Report.xlsx.blackhat.…

──────────────────────────────────────── Ransomware Variant Deep-Dive: “blackfl” ──────────────────────────────────────── File-extension: .blackfl 1. Technical Breakdown 1.1 File Extension & Renaming Patterns Exact Extension: .blackfl (lowercase, no dot in double). Renaming Convention: – Original files are first ciphered in place. – Then renamed with the original full name plus the new extension, e.g. 2024_Q1_P&L.xlsx.blackfl – No ransom note is prepended;…

Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .Blackfield (sometimes appended as {original_name}.{ext}.Blackfield; no additional random string). Renaming Convention: Files keep their original base names and internal extensions but receive a second extension (.Blackfield) added to the right. Folders are not renamed, but each folder receives the ransom note blackfield_readme.txt. Hidden…

================================================================= Comprehensive Advisory: BlackDream Ransomware (a.k.a. “.BlackDream” / “BLACKDREAM”) Prepared: 2024-06-15 Classification: Ransomware – New Variant, Active TECHNICAL BREAKDOWN File Extension & Renaming Patterns • Confirmation of File Extension: “.BLACKDREAM” (all caps, prepended after original extension). Examples – before: AnnualBudget.xlsx → after: AnnualBudget.xlsx.BLACKDREAM • Renaming Convention (chained sequence): Original filename and extension are preserved. “.BLACKDREAM”…

BlackCocaine* Ransomware – Comprehensive Technical & Recovery Guide Last revised: June 2024 Technical Breakdown 1. File Extension & Renaming Patterns • Confirmed extension used: .blackcocaine* (star character is literal—*—NOT a globbed wildcard) • Renaming convention: After encryption, each file receives the following transformation: OriginalName.EXT ⟶ OriginalName.EXT.id-[9-digit-random].blackcocaine* Example: invoice.pdf becomes invoice.pdf.id-248731957.blackcocaine* 2. Detection & Outbreak Timeline…

Ransomware Community Resource Targeted Variant: BlackCat / ALPHV (Observed file extension: .blackcat) Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension → .blackcat (sometimes simply .alphv or a campaign-specific 3–4 character suffix supplied via affiliate JSON config). Renaming Convention → Original file names are not merely appended—they are randomized using 5–6 lowercase…

Below is an up-to-date, field-tested resource on BlackByte NT (sometimes recorded in incident reports as “blackbytent” because its aliases merge into a single token). All guidance is drawn from published CERT/CC bulletins, CISA alerts (AA22-057A), Microsoft Security, FBI FLASH reports, and the collective experience of DFIR teams in 2022-2023. Technical Breakdown 1. File Extension &…

BlackBit Ransomware – Complete Defense & Recovery Guide Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: All affected files are appended with “.BlackBit” (exact spelling & capitalization as observed in live incidents). Renaming Convention: Original filename → <original filename>.<original extension>.BlackBit Example: Q4_Report.xlsx is renamed to Q4_Report.xlsx.BlackBit 2. Detection & Outbreak Timeline…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: Encrypted files receive the “.black007” extension (always lower-case black007, no additional suffixes before it). For example, QuarterlyReport.xlsx becomes QuarterlyReport.xlsx.black007. Renaming Convention: The ransomware retains the original base-filename in full, appends the defeated extension exactly once. No original-file-name obfuscation, randomization, or additional tokens/journal numbers…