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Gonzalez Castillo, LLP

listed as VALLEYFIRM · Claimed by Helldown · listed 2 years ago

20m
Age
since listed · data leaked

Status timeline

  1. ListedNov 6, 2024
  2. Data leakeddate unknown

At a glance

Group
Helldown
Status
Data leaked
Country
Hong Kong SAR China
Listed on leak site
Nov 6, 2024

About the victim

AI dossier — public-source company profile

Gonzalez Castillo, LLP is a South Texas defense law firm with offices in McAllen and Houston, specializing in civil litigation including personal injury, medical malpractice, construction accidents, and employment law. Founded by Steven M. Gonzalez with 35+ years of trial experience, the firm operates a 14,000 sq ft facility and serves regional and national clients.

Industry
Legal Services - Defense Law
Address
1317 E. Quebec Avenue, McAllen, TX 78503; 5150 Hidalgo #1605, Houston, TX 77056
Employees
4

Attack summary

Severity: low — The leak post contains only a domain name with no proof files, data samples, or description of exfiltrated content. No operational impact or data categories are specified. This appears to be a listing-only announcement without substantiation.

Helldown claims to have attacked valleyfirm.com (Gonzalez Castillo, LLP). The leak post provides no detail on what data was exfiltrated, encrypted, or compromised, nor does it specify the scope of the breach.

low

What the group claims

valleyfirm.com

Sources

Source

Indexed 2 years 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 Helldown

Helldown is a recently emerged ransomware group that first appeared in August 2024, operating with apparent financial motivations and demonstrating a preference for targeting critical infrastructure and business sectors. The group's origin and potential affiliations remain unclear due to limited public reporting from established threat intelligence sources, though their targeting patterns suggest a sophisticated understanding of high-value victims across Western nations, particularly the United States, Germany, Italy, Poland, and the United Kingdom. Based on available data, Helldown has compromised at least 37 known victims since their emergence, with their attacks primarily focused on business services, manufacturing, energy, and healthcare sectors, indicating a strategy of targeting organizations likely to pay substantial ransoms due to operational criticality. The group's specific attack methodologies, initial access vectors, and technical capabilities have not been extensively documented by major cybersecurity firms or government agencies, limiting detailed analysis of their operational procedures. As of current reporting, Helldown appears to remain active, representing a relatively new but concerning addition to the ransomware threat landscape, though the limited timeframe since their emergence and lack of comprehensive public analysis by established threat intelligence organizations suggests their full operational scope and impact are still being assessed by the cybersecurity community. The group has been linked to 37 public disclosures across our corpus. First observed on a leak site on August 13, 2024; most recent post November 6, 2024. The operation is currently inactive.

Timeline of this disclosure

  • November 6, 2024VALLEYFIRM listed by Helldownon the group's public leak site

Other recent disclosures by Helldown

Helldown has been linked to 37 public victims on Darkfield. A sample of the most recent:

See the full Helldown dossier →

Sector and geography

Geographically, VALLEYFIRM is reported in Hong Kong SAR China, a country with 61 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Helldown means VALLEYFIRM 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.
  • Monitor for the data appearing on Helldown'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.