[email protected] Ransomware – Comprehensive Response Guide Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .m5m5 Renaming Convention: Files keep their original name but receive two sequential suffixes: An e-mail address – [email protected] – (lower-case with “@” and “.” intact). The actual new extension – .m5m5. Example transformation: 2023_Q2_Financial.xlsx → [email protected] 2.…

Technical Analysis & Remediation Guide Ransomware Family: AlanWalker (a.k.a. [email protected]) Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of Extension: After encryption, every affected file is appended with “.AlanWalker” (case-insensitive; some variants also include a version code like .AlanWalker-V2). Renaming Convention: [original_filename].[original_extension].AlanWalker Example → Quarterly-Results-Q1.xlsx becomes Quarterly-Results-Q1.xlsx.AlanWalker 2. Detection & Outbreak Timeline First Fully…

Technical Breakdown – ransomware appending the extension .al8p 1. File Extension & Renaming Patterns Confirmation of file extension: .al8p (lower-case, never .AL8P). Renaming convention: • Absolute paths are preserved, but each file receives a new suffix structure: original_filename.ext.id-[8-HEX-UUID].email_of_attacker.al8p • Example: report_2023.xlsx → report_2023.xlsx.id-[A4F7D921][email protected] • When the threat actor is in a campaign hurry (observed in…

Ransomware Profile: .al1b1nal1 Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .al1b1nal1 (always matches this exact 10-character string, lower-case). Renaming Convention: – Before: QuarterlyReport.xlsx – After: QuarterlyReport.xlsx.al1b1nal1 – Variants append the extension once; no second-level renaming observed. All the OS’s original file-name bytes remain untouched, so table-of-contents, logs, and forensic partition…

Al-Namrood Ransomware – Community Defense Blueprint (extension = “.Namrood”) Technical Breakdown 1. File Extension & Renaming Patterns Exact extension: → .Namrood (sometimes observed in lower-case “.namrood”) Renaming convention:  Original file names remain unchanged except that the extension “.Namrood” is appended,  e.g. Quarterly_Report.xlsx → Quarterly_Report.xlsx.Namrood.  Files are NOT completely renamed – which simplifies scripted investigation but…

AksX Ransomware Deep-dive & Recovery Guide Last updated: 2024-05-24 Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .aksx (lower-case, always 5 bytes appended right after the last “dot” of the file-name). Renaming Convention: Original files are simply re-tagged – the name and folder structure remain intact. Example: Quarterly_Report.xlsx → Quarterly_Report.xlsx.aksx 2.…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: The ransomware appends the extension .ako to every encrypted file. Renaming Convention: After encryption the filename is transformed into the pattern: ..[[, ]]. Example: Project.pptx → Project.pptx.t7kc5k.[[email protected], [email protected]].ako 2. Detection & Outbreak Timeline Approximate Start Date/Period: The first large campaigns using the .ako…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: The AKIRA ransomware appends the exact suffix .akira to each encrypted file. Renaming Convention: Original file sales_report_Q3.xlsx is transformed into sales_report_Q3.xlsx.akira. In some observed strains, AKIRA will first add a hexadecimal “marker” before the final extension if the entire file has been overwritten…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: akgum ransomware consistently appends “.akgum” to every encrypted file. Renaming Convention: The pattern follows the scheme <original filename> . <random 6–7 hex-digit victim ID> .akgum (e.g., budget_2024.docx.7F3B9A2.akgum, inventory.xlsx.00E1A3F.akgum). The victim ID is unique per infected host and is also written into the ransom…

Technical Breakdown: “Akaibvn” (The ransomware whose files end in .akaibvn) 1. File Extension & Renaming Patterns File extension: .akaibvn is appended without any separator to the encrypted file (e.g., Report.xlsx.akaibvn, backup-2023-04-08.sql.akaibvn). Renaming rules (confirmed in-the-wild samples): The original extension is kept intact in front of .akaibvn. If the original file had no extension, <original_filename>.akaibvn is…