Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension – “.Carj”: The ransomware appends the five-character lowercase suffix “.carj” to every file it encrypts. Example: Invoice_Dec2023.xlsx becomes Invoice_Dec2023.xlsx.carj. Renaming Convention: Along with the extension, it adds the victim’s identifier in brackets just before “.carj”: File.originalExt.[Random-8-Chars].[[attacker-supplied-ID]].carj e.g., Draft_Report.docx.[B91FAE2C].[[T3556743]].carj. The victim ID is 7…

Ransomware Brief: CARCₙ (a.k.a. “Carcn”) Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: Encrypted files are uniformly appended with .carcn (the “n” is a subscript character, looking like “carcₙ”). The extension is locked in lower-case, unlike earlier mutation “CARC” that used upper-case. Renaming Convention: The ransomware keeps the original file name…

Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: Files encrypted by the Captcha ransomware family are given the .captcha extension. Renaming Convention: [original_name].[original_ext].[victim_ID]captcha Example: Budget2024.xlsx.6A9F3B2Ccaptcha Victim-ID is always 8 characters (alphanumeric) followed immediately by “captcha” (no dot in-between). No folder-structure modification: the original hierarchy is preserved, only filenames change. 2. Detection…

Ransomware Analysis & Response Guide – capital Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: Files encrypted by the capital strain are marked with the extension .capital. Example: Quarterly_Report.xlsx.capital Renaming Convention: – Extension is simply appended after the original extension (no secret “before/after” transformation). – Original file name and path remain…

# CAPIBARA Ransomware Deep-Dive for IR Teams & the Public Technical Breakdown 1. File Extension & Renaming Patterns Confirmation of File Extension: Every encrypted file receives the new suffix “.capibara”. Example: 2024_financial.xlsx ➜ 2024_financial.xlsx.capibara Renaming Convention: Existing extensions are appended, not replaced. The malware scans all accessible volumes (local + mapped network shares + cloud-drive…

Below is a consolidated, “single-stop” resource covering all you need to know about the Cap ransomware (a.k.a. “BigLock”, sometimes mis-written .cap or .cap0). Technical Breakdown 1. File Extension & Renaming Patterns Exact on-disk suffix: Files are renamed to <original_name>.<original_extension>.cap e.g., report.xlsx.cap, backup.sql.cap. Rare variants: In a handful of BigLock samples the trailing suffix is .cap0;…

Technical Breakdown File Extension & Renaming Patterns • Confirmation of File Extension: .cantopen (exact string, including the leading dot). • Renaming Convention: The malware performs the following: a) Retains the original file name and its original extension. b) Appends said .cantopen to each file three seconds after encryption is completed. Example: Report-Q4.xlsx becomes Report-Q4.xlsx.cantopen. Detection…

CANIHELPYOU Ransomware – Complete Community Resource Guide The following information is current as of June 2024 and is assembled from incident-response cases, malware-analysis reports, CERT notifications, and vendor advisories. Technical Breakdown 1. File Extension & Renaming Patterns File-extension confirmation: .canihelpyou (lower-case, written as a single word, no appended ID or brackets). Renaming convention: Original files…

It appears the placeholder {{ $json.extension }} was filled with the string “cancer”, likely as a typo or mistranslation—the word “cancer” has never been an actual file-extension used by any documented ransomware family. To avoid confusion and ensure the resource remains useful, the file extension will be referenced literally as “cancer”, while the guidance targets…

Technical Breakdown: 1. File Extension & Renaming Patterns Confirmation of File Extension: After encryption, the .canadian extension is appended to every affected file, yielding names such as Document.docx.canadian, Spreadsheet.xlsx.canadian, or Database.bak.canadian. Renaming Convention: Threat actors do not alter the original filename (before its original extension). There is no additional prefix, suffix ID, nor ransom note…