Skip to content
Back to Blog
high severity June 04, 2025 · 3 min read Unverified claim — what this is

GRECA Asfaltos (grupogreca.com.br) Listed by lynx Ransomware Group

If you are a customer of GRECA Asfaltos (grupogreca.com.br), here’s what is being claimed, and what it would mean for you.

Learn about the GRECA Transparency Program and access the reporting channel. 60 years of history, achievements, challenges and continuous development in Asphalt, Logistics and Financial Solutions The GRECA Asfaltos Group is one of the largest asphalt specialist companies in Brazil. We transport, produce and sell products for asphalt paving. Always focused on the growth and updating of our products and services, we invest incessantly in research and technology. From production to delivery, we are a team that works with passion and our pioneering spirit and quality are what make us recognized on

— from Lynx’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.
GRECA Asfaltos (grupogreca.com.br) Listed by lynx Ransomware Group

On June 4, 2025, the Brazilian asphalt specialist GRECA Asfaltos appeared on the leak site of the lynx Ransomware Group, with attackers claiming to have exfiltrated internal company files following a ransomware incident.

Already exposed?
You can’t unleak data. You can take away what it’s worth.
A leaked record is where it starts, not where it ends. What turns it into your front door is the look-up sites publishing your address beside your name — and those are what an AI reads when somebody asks about you. The free scan shows you both. We write to 582 companies.
See what is exposed about you — free scan →
Not ready yet? Run a free breach check on this email
We’ll check it against 13.1B+ leaked records right now — no account needed. Continuous monitoring & alerts are part of Protection.

What's Publicly Reported from Reporting

Public reporting indicates that lynx listed GRECA Asfaltos (grupogreca.com.br) on its dark-web leak portal. The company, which produces, transports, and sells asphalt products across Brazil, has a 60-year operating history. Available details describe the incident as a ransomware attack that resulted in the theft of internal files, though the exact volume of data and the number of individuals whose information may have been exposed remain unclear at this time. The listing appeared on the lynx leak site, accessible via the onion address tracked by ransomware.live.

Why This Matters for You and Your Family

When a company like GRECA Asfaltos suffers a breach, the information stolen can include documents that contain names, contact details, addresses, financial records, or employee data. If your employer, supplier, customer, or any organization connected to your household has worked with GRECA, your personal information could be among the files now in attackers’ hands. Credential leaks from such incidents often spread quickly, giving criminals the raw material they need to target you directly. For ordinary families this means higher risk of identity theft, unexpected bills, or harassing calls that can last for years.

The Doxxing and Identity-Chain Implications

Stolen internal files frequently contain email addresses, phone numbers, employee usernames, or even notes that link work accounts to personal ones. Attackers chain these fragments together: an email from a corporate document leads to a reused password on a personal shopping site, which leads to a gaming account belonging to your child. The result is a complete identity map that enables doxxing, account takeovers, and extortion. Credential leaks like this one cascade into gaming account compromises because children often use simplified passwords or recovery emails tied to family domains. Once one account falls, the rest of the household follows.

Lynx Ransomware Group Track Record

Public reporting attributes the attack to the lynx Ransomware Group. The group emerged in recent years and follows a double-extortion playbook: they encrypt victim systems, exfiltrate sensitive files before encryption, then threaten to publish the data unless a ransom is paid. Notable prior victims include other mid-sized companies whose internal documents were posted on the same leak site. Their typical approach involves initial access through common vulnerabilities or phishing, followed by data theft and a public countdown on their onion portal.

What to do

  • Run a DoxxScan to map every link between your emails, phone numbers, handles, and real-world identity so you can see exactly what this claimed breach may have exposed.
  • Rotate any password you used at GRECA Asfaltos or any related business account, then enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next leak that touches your family is caught and addressed within hours, not months.
  • Cover the entire household with DoxxScan family protection, which includes children’s gaming accounts that often chain back to the same addresses or recovery emails exposed in corporate leaks.
  • Let DoxxScan remediation specialists handle takedown requests and broker removals for you while you focus on securing your own accounts.

The incident shows that data stolen from any company can reach criminals within days and remain dangerous for years. Starting with clear visibility into your personal exposure is the most practical defense. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping that connects online handles to real identities, and hands-on remediation by specialists who manage takedowns for you and your family, including children’s gaming accounts vulnerable to credential-based takeovers.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

Check your exposure
GRECA Asfaltos (grupogreca.com.br) is one listing. Your email is probably in others.
We can’t confirm any single incident against the sources we search, so we won’t pretend to. What we can show you is your own exposure — your email against 13.1B+ leaked records and the sites that publish your address. About 15 seconds. No account, no card.

By running your scan you agree to the Terms and Conditions and the Privacy Policy, and to GalaxyWarden emailing you the results of this scan.

Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed June 04, 2025
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
Share this Post on X Reddit Email