Technical Brief: Ransomware Using “[email protected]” Extension (Imp-rs/Conti Offshoot) Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: [email protected] (note the leading dot and “@” sign). Renaming Convention: OriginalName.{8-hex-chars}[email protected] Threat actors place your 8-character “Victim-ID” (hexadecimal) after the first dot, then append the extension. For example, Q1_Budget.xlsx becomes [email protected]. 2. Detection & Outbreak…

Ya.ru (Phobos-Family Ransomware) – Comprehensive Tactical Brief Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .ya.ru (note the two-dot format that visually mimics a web mailbox domain). A single file named resume.pdf becomes resume.pdf.id<8-digit-hex>[email protected] Renaming Convention: Original filename → Appended .<unique-8-byte-hex> that serves as the victim fingerprint → Hard-coded [email protected] (contact…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: Files encrypted by XMTP Locker (inside operator handle “@xmpp.jp”) are given a random, 5-to-7-lower-case-character extension followed by the fixed suffix “.xmppjp”. Example: financial2024.xlsx.beauw.xmppjp Renaming Convention: Original name is preserved. A separator dot is added, then the random extension, then .xmppjp. Hidden desktop text…

Technical Breakdown: ────────────────── File Extension & Renaming Patterns • Confirmation of File Extension: .WNCRY or .WCRY added after the original extension (e.g., budget.xlsx.WNCRY). • Renaming Convention: Files keep their original name and internal directory structure; the only visible change is the appended “.WNCRY”. Folders also receive the ransom note @[email protected], and the desktop wallpaper is…

Ransomware Resource – Extension: .tutanota Threat Actor alias: MeowCorp (the ransom message is often signed “@tutanota*”) 1. Technical Breakdown 1.1 File Extension & Renaming Patterns • Confirmation of Extension: Every encrypted file receives a secondary extension “.tutanota” appended after the original extension (e.g., Project.docx.tutanota). • Renaming Convention: No file-name mangling – the rest of the…

CYBERSECURITY RESOURCE – RANSOMWARE VARIANT {{ $json.extension }} NOTE: e-mail address “family tag” = “@tuta.io”, but the file extension left on every encrypted file remains the literal string {{ $json.extension }}. All guidance below therefore references the “.{{ $json.extension }}” ransomware family. ================================================================ I. TECHNICAL BREAKDOWN File Extension & Renaming Patterns • Confirmation of File…

Comprehensive Source on the @Trampo.info (circa 2017) Ransomware Campaign. Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: Every encrypted file receives the secondary extension “.trampo” after its original extension (e.g., “presentation.pptx.trampo”). Renaming Convention: Aside from appending “.trampo”, the malware prefixes the original filename with a 5-byte uppercase hexadecimal value derived from…

Technical Breakdown: @tfwno.gf* Ransomware (also referred to as name()-variant) 1. File Extension & Renaming Patterns Confirmation of File Extension: “@tfwno.gf*” — note that the asterisk at the end is literal in some campaigns and signifies that the ransomware deposits uniquely calculated 7-character suffixes. A typical final filename after compromise is: sales_report.xlsx.id-A5B7C9D.[@tfwno.gf_E7X3Q91] Renaming Convention: Algorithmic appendix:…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: The ransomware appends .sjms to every file it encrypts. Example: Presentation.pptx → Presentation.pptx.sjms Renaming Convention: Original file name and all folder names remain untouched except for the final extension. A parallel file with the identical filename plus .readme.txt is written into every affected…

Ransomware Threat Brief: @sigaint.org.fs0ciety Extension Target Extension: fs0ciety Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: The ransomware appends the literal string .fs0ciety to every encrypted file. Renaming Convention: [original-filename].[original-extension].fs0ciety Example: A file called Q1_Report.xlsx becomes Q1_Report.xlsx.fs0ciety, leaving a clear double-extension pattern. 2. Detection & Outbreak Timeline Approximate Start Date/Period: First…