Technical Breakdown – BMD (Bless–Me–Darkness) Ransomware: 1. File Extension & Renaming Patterns Confirmation of File Extension: .bmd (lower-case). Renaming Convention: <original_filename>.<original_extension>.<email[@]>.<victim-ID>.bmd Example: Annual_Report.xlsx.[[email protected]][A2F7C].bmd In some samples the email is replaced with a Tor chat link ([tor.onion]) and the victim-ID is 6–8 random alphanumeric characters. 2. Detection & Outbreak Timeline First Public Sightings: August 2021 (under…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: bmcrypt appends “.bmcrypt” (including the leading dot) to every encrypted file. After encryption the file shows both extensions—e.g., Budget 2023.xlsx.bmcrypt. Renaming Convention: Original file: C:\Docs\Report.docx Post-encryption: C:\Docs\Report.docx.bmcrypt No additional strings, TOR-based ID tokens, or encrypted key blobs are written into the filename itself…

Community Resource for Combatting Ransomware Identified by Extension “.bmcode” Technical Breakdown 1. File Extension & Renaming Patterns Exact File Extension: “.bmcode” Example: QuarterlyReport.xlsx → QuarterlyReport.xlsx.bmcode Renaming Convention: The malware appends the .bmcode suffix after the original extension, keeping the native icon visible for a short time (→ drives double-click execution under Windows). No internal filenames…

Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .bluez (including the leading dot). Renaming Convention: Files are only appended—the original name and extension remain intact. A victim file originally named AnnualReport.xlsx is turned into AnnualReport.xlsx.bluez. This makes quick identification easy (“search for *.bluez”), but also yields false positives if unrelated files…

============================================================ Ransomware Deep-Dive: the “Bluesky” (BSC 2022 – .bluesky / .filebluesky) strain Technical Breakdown File Extension & Renaming Patterns • Confirmed extension placed at the end of every encrypted file: .bluesky • Second, much less common variant observed during the December-2022 wave used .filebluesky • Renaming convention: → Original Report Q3.xlsx becomes Report Q3.xlsx.bluesky →…

Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: bluekey (appended to the end of every encrypted file in lowercase). Renaming Convention: The ransomware renames affected files to the pattern original_name.original_extension.bluekey. Example: Annual_Report_2024.xlsx becomes Annual_Report_2024.xlsx.bluekey. 2. Detection & Outbreak Timeline Approximate Start Date/Period: Initial variants were first spotted in the wild in…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: .blueeagle (the file extension is spelled in lowercase; dual suffixes such as .jpg.blueeagle are never used). Renaming Convention: ‑ After encryption, the ransomware simply appends “.blueeagle” to the original file name. ‑ Example: AnnualReport_2024.xlsx → AnnualReport_2024.xlsx.blueeagle ‑ Directory-level marker: every affected folder receives…

blue blackmail Ransomware – Community Resource Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: Victims will notice every encrypted file now ends in .blueblackmail (some variants use the full string .blueblackmail, others lowercase .blueblackmail). Renaming Convention: [originalName]_[8-digit-random-hex]_[timestamp-epoch]_[victims-ID].blueblackmail Example: Quarterly-Report_3a7e9c2b_1680532849_ANWDEK.blueblackmail 2. Detection & Outbreak Timeline First Verified Samples: 2 March 2023 (MISP…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: Files affected by this ransomware are given the .blue suffix. Renaming Convention: Original file: Document.docx → Document.docx.blue Original file: Report.pdf → Report.pdf.blue The ransom note is dropped as Restore_files.txt (or Restore_files.html) and is left in every reachable directory. Unlike some older families, there…

‼️ Hard-Clarification The string [email protected] is the attacker-controlled e-mail address used by the Dharma / CrySiS family of ransomware—not the file extension. For that reason this write-up targets the Dharma / CrySiS variant that utilizes the contact address [email protected]. Technical Breakdown 1. File Extension & Renaming Patterns Confirmed File Extension Sequence(s): .id-[8-char-random-id].[[email protected]].{original-ext} Example → document.docx.id-A1B2C3D4.[[email protected]].docx…