──────────────────────────────── Comprehensive Threat Advisory RANSOMWARE IDENTIFIER: “cammora” (file extension .cammora) ──────────────────────────────── SECTION 1 – TECHNICAL BREAKDOWN File Extension & Renaming Patterns • Confirmation of File Extension: Every successfully-encrypted file is appended with “.cammora”. The ransom-note dropped in every affected directory is named HOWTORECOVERYFILES.txt. • Renaming Convention: Original: Documentation\2024Invoice.xlsx After encryption: Documentation\2024_Invoice.xlsx.cammora No e-mail or victim-ID…

Technical Breakdown for “Calvo” Ransomware (.calvo) 1. File Extension & Renaming Patterns Confirmation of File Extension: .calvo — victims will find their files renamed from example.docx to example.docx.calvo. Renaming Convention: It preserves the original filename and extension in full, appending the new suffix so that a full file path would read C:\Users\<User>\Documents\report_2024.xlsx.calvo. This helps defenders…

======================================================== Comprehensive Resource – Ransomware Identified by the .calum File Extension Technical Breakdown 1. File Extension & Renaming Patterns • Confirmation of File Extension: Every encrypted file receives the fixed suffix “.calum” appended directly to the original extension. Example: Report.xlsx → Report.xlsx.calum • Renaming Convention: No obvious universal prefix or base64 hash is added; only…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: The ransomware variant in question appends the lowercase .calle suffix to every successfully encrypted file. Renaming Convention: Original filename: Quarterly_Report_Q4_2024.xlsx After encryption: Quarterly_Report_Q4_2024.xlsx.calle The malware preserves directory structure, long filenames, and the original base name; only the double extension distinguishes encrypted objects. 2.…

Ransomware Analysis & Response Guide – “Calix” (.calix) TECHNICAL BREAKDOWN File Extension & Renaming Patterns • Confirmation of File Extension: “.calix” (lowercase, 5 letters, appended without a separator). • Renaming Convention: Original files are depth-renamed in two stages: 1) Contents are encrypted with AES-256 in CBC mode and then compressed with zlib. 2) The resulting…

Caley Ransomware Technical & Recovery Guide Last updated: 2024-06-xx Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .caley Renaming Convention: Files are renamed in this format: <original_filename>.<UUID_v4>.caley Example: Budget2024.xlsx → Budget2024.f81d4fae-7dec-11d0-a765-00a0c91e6bf6.caley Dropped ransom note: README_TO_RESTORE_FILES.txt (also duplicates as readme.<UUID>.txt in every affected folder). 2. Detection & Outbreak Timeline First Public Appearance:…

Ransomware Profile: .cales (STOP/DJVU Strain) Technical Breakdown: 1. File Extension & Renaming Patterns • Confirmation of File Extension: In all observed outbreaks victims’ files have the literal extension .cales appended directly after the legitimate extension, e.g. AnnualReport.xlsx.cales, Photo.jpg.cales. • Renaming Convention: Files are copied → encrypted → original deleted. The encrypted copies keep the exact…

Ransomware Deep-Dive: caleb (*.caleb) Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: Victim files are appended with the extension .caleb. Renaming Convention: original_name.ext → original_name.ext.caleb – No embedded victim-ID string, email address, or numeric suffix. – Directory-wide renaming occurs near the end of encryption (after payload has enumerated drives and mapped…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: CAHBTMHMA Every file it touches is appended with the literal, all-caps extension “.cahbtmhma” (there is no leading dot in the ransom notes; the files simply appear as document.xlsx.cahbtmhma, report.pdf.cahbtmhma, etc.). Renaming Convention: A random 10-byte prefix is prepended to the original base name…

CAGO RANSOMWARE – COMPREHENSIVE RESPONSE GUIDE Last updated: 2024-06 Technical Breakdown 1. File Extension & Renaming Patterns Confirmed extension: .cago is appended to each affected file (e.g., Report.xlsx → Report.xlsx.cago). Renaming convention: Original filename and extension are preserved in their entirety, then suffixed with .cago—no ID body or token strings are inserted into the name…