Fargo (“.FARGO”) Ransomware – Community Resource Sheet Technical Breakdown 1. File Extension & Renaming Patterns Confirmed extension: .FARGO (upper-case) Renaming convention: – File-name portion is left intact, the original extension is simply suffixed with “.FARGO” – Example: Project.xlsx → Project.xlsx.FARGO – No e-mail address, random GUID, or campaign ID is placed in the name (noisy/clean…

Ransomware Resource Sheet Variant in scope: “FarAttack” (uses .farattack as the final file suffix) Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: Every encrypted file receives the additional suffix .farattack (lower-case, no space). Renaming Convention: Original: 2024_Q2_Budget.xlsx After encryption: 2024_Q2_Budget.xlsx.farattack (no e-mail, ID, or random hex added—simple one-shot append). Ransom note…

FAPPY Ransomware – Community Resource Sheet (Last updated 2024-06-XX – v1.0) TECHNICAL BREAKDOWN 1. File Extension & Renaming Patterns Confirmation of File Extension: .fappy (lower-case) Renaming Convention: Original file: Project_Q3.xlsx → Project_Q3.xlsx.fappy Folders receive a plain-text marker: !!!FAPPY_DECRYPTION_README!!!.txt No email address or random ID is injected into the filename; only the single suffix is appended.…

Fantom Ransomware – Community Resource Technical Breakdown 1. File Extension & Renaming Patterns Confirmed extension: .fantom Renaming convention: [original_name].[original_ext].fantom (i.e., the malware simply appends “.fantom” to every file – nothing is stripped away, so Invoice.xlsx becomes Invoice.xlsx.fantom). Supplementary mark: the ransom note is written into DECRYPT_YOUR_FILES.html and DECRYPT_YOUR_FILES.txt in every traversed directory. 2. Detection &…

Ransomware Report – “Fancyleaks” (File extension observed in the wild: .fancyleaks) Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .fancyleaks (lower-case) is appended to every encrypted file. Renaming Convention: <original-file-name>.<original-extension>.id-<user-ID>.[<attacker-email(es)>].fancyleaks Example: Project_Q3.xlsx → Project_Q3.xlsx.id-A87F4B42.[[email protected]].fancyleaks 2. Detection & Outbreak Timeline First public submission: 2023-02-14 (MalwareBazaar hash be9e…c1b4). Wider distribution spike: March–April 2023…

Ransomware Resource Sheet Target variant: Files tagged with the fake extension ‘fake’ (placeholder designation – real campaigns typically brand themselves differently). TECHNICAL BREAKDOWN 1. File Extension & Renaming Patterns Exact confirmation: Encrypted files are given the suffix “.fake” (e.g., invoice_2010.xlsx.fake, Project.pptx.fake). Renaming convention: Original name + original extension + additional “.fake”; no email address or…

Ransomware Brief: “Fairytale” (a.k.a. .fairytale / TellYouThePass spin-off) DISCLAIMER – This advisory is compiled from OSINT, private-sector incident data shared with ISACs, and CERT bulletins up to 31 May 2024. Attribution remains tentative. Treat the information as contextual guidance only and validate against the latest threat-intel feeds before acting. Technical Breakdown 1. File-Extension & Renaming…

Ransomware File-Extension “.fairytail” – Technical & Tactical Resource (last updated 09-Jun-2025) TECHNICAL BREAKDOWN 1. File Extension & Renaming Patterns Exact marker used: .fairytail Renaming convention: [original-name] . [original-ext] . id-[8-hex-chars] . [affiliate-ID] . fairytail Example: 2025-Invoices.xlsx ➜ 2025-Invoices.xlsx.id-A3B4C2D0.maleficent.fairytail The 8-character “id-” block is campaign-specific, not the victim key. Affiliate tag changes by operator (observed: “maleficent”,…

Technical Breakdown – “FAIR” Ransomware (extension .fair) 1. File Extension & Renaming Patterns Confirmation of File Extension: every encrypted file receives the suffix .fair (lower-case). Renaming Convention: Original name → <original_name>.<original_ext>.fair. Example: Quarterly-Report.xlsx becomes Quarterly-Report.xlsx.fair. No e-mail address, victim-ID, or random string is inserted—just the extra extension. 2. Detection & Outbreak Timeline First publicly-documented submissions:…

Technical & Recovery Dossier Variant in focus: failedaccess (the extension that follows the dot in “Invoice.doc.failedaccess”) Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: .failedaccess (exact, lower-case, 12 characters) Renaming Convention: Appends the single extension to the original file name. Example: 2024-TaxReturns.xlsx → 2024-TaxReturns.xlsx.failedaccess Does NOT scramble the base name (some…