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Ransomware victim disclosure

All victims

Big Lar Utilidades

listed as Big Lar · Claimed by Worldleaks · listed 7 months ago

7m
Age
since listed · data leaked

Status timeline

  1. ListedDec 8, 2025
  2. Data leakeddate unknown

At a glance

Status
Data leaked
Country
Brazil
Listed on leak site
Dec 8, 2025

About the victim

AI dossier — public-source company profile

Big Lar Utilidades (operated by Edn Utilidades Domésticas Importação e Exportação LTDA) is a Brazilian wholesale/retail company based in Trindade, Goiás, selling a broad range of household goods, toys, electronics, stationery, décor, and related products. The company operates physical stores and an e-commerce platform (biglarutilidades.com.br) with a representative-area portal, and is reachable via a Goiás-area phone number. It serves both end consumers and trade representatives.

Industry
Wholesale & Retail of Household Goods, Toys & General Merchandise
Address
R. Edmundo Pinto da Cunha, LT APM 06, N 133 - Res. Luiza Monteiro, Trindade - GO, 75385-000, Brazil

Attack summary

Severity: medium — Data has been marked as published, indicating confirmed disclosure rather than a mere listing; however, no specific data volume, regulated data categories, or operational disruption details are stated, limiting severity to medium.

The worldleaks group claims to have compromised Big Lar Utilidades and has published data (disclosed status: data_published); however, the leak post itself contains no specific detail on encryption or exfiltration scope, and no ransom amount or data size was stated.

medium

Data the group says was taken

AI dossier — extracted from the leak post
  • Customer records (likely from e-commerce platform)
  • Representative/partner data
  • Business operational data
  • Potentially payment/transaction information

Original description

AI-summarised, not from the leak post

N/A

Sources

Source

Indexed 7 months ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About worldleaks

Based on the limited available data, worldleaks is a recently emerged ransomware group that was first observed in May 2025 and appears to be primarily financially motivated, having claimed 134 victims in a relatively short timeframe since its emergence. The group's origin and organizational structure remain unclear, with no publicly documented information from major cybersecurity firms or law enforcement agencies regarding their country of origin, potential affiliations, or operational model. Their targeting patterns indicate a focus on English-speaking countries, particularly the United States, United Kingdom, and Canada, with additional activity observed in Germany and Japan, while their sector targeting shows a preference for healthcare, technology, manufacturing, and consumer services organizations. Due to the group's recent emergence and limited public documentation by established threat intelligence sources, specific details about their attack methodologies, encryption techniques, extortion tactics, and notable campaigns have not yet been comprehensively analyzed or reported by organizations such as CISA, FBI, or major cybersecurity research firms. The group appears to remain active as of the most recent observations, though comprehensive threat intelligence profiling awaits further analysis and documentation by established cybersecurity authorities. The group has been linked to 173 public disclosures across our corpus. First observed on a leak site on May 18, 2025; most recent post July 2, 2026. The operation is currently active.

Timeline of this disclosure

  • December 8, 2025Big Lar listed by worldleakson the group's public leak site

Sector and geography

Geographically, Big Lar is reported in Brazil, a country with 404 ransomware disclosures in our corpus.

If your organisation is affected

A listing by worldleaks means Big Lar appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

  • Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
  • Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
  • Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
  • Report the incident to your national CERT, CERT.br (Brazil), as required for your jurisdiction.
  • Monitor for the data appearing on worldleaks's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.