Disclosure context

About apt73

APT73 is a recently emerged ransomware group that began operations in April 2024, with financial motivation as their primary driver based on their targeting patterns across multiple high-value sectors. The group has demonstrated rapid growth in their operational tempo, accumulating 78 documented victims within their first months of activity. Their targeting methodology shows a preference for English-speaking markets and major economies, with the United Kingdom and United States representing their primary focus areas, followed by significant activity in India, Brazil, and France. The group exhibits a clear preference for high-value sectors including business services, technology, financial services, and healthcare organizations, suggesting a calculated approach to victim selection based on potential payment capability and operational impact. Given the group's recent emergence and limited public documentation from major threat intelligence sources, specific details regarding their initial access vectors, tooling, encryption methods, or organizational structure remain largely unconfirmed by authoritative sources such as CISA, FBI, or established security research firms. The group's current operational status appears active based on the timeline of their emergence, though comprehensive analysis of their capabilities and infrastructure requires additional intelligence gathering and documentation by security researchers. The group has been linked to 141 public disclosures across our corpus. First observed on a leak site on April 22, 2024; most recent post April 27, 2026. The operation is currently inactive.

Also tracked as: Eraleign.

Timeline of this disclosure

April 27, 2026grupo-principal.com listed by apt73on the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Business Services sector, which has 2,640 disclosures indexed across all operators we track. Geographically, grupo-principal.com is reported in MX, a country with 52 ransomware disclosures in our corpus.

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.

Ransomware victim disclosure

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Grupo Principal

listed as grupo-principal.com · Claimed by apt73 · listed 24 days ago

23d

Age

since listed · data leaked

Status timeline

Listed
Apr 27, 2026
Data leaked

At a glance

Group: apt73
Status: Data leaked
Country: MX
Sector: Business Services
Listed on leak site: Apr 27, 2026

About the victim

AI dossier — public-source company profile

Grupo Principal is a consumer goods (FMCG) distribution company operating in Mexico and Venezuela, with offices in San Cristóbal, Mérida, La Grita, and Caracas. The company supplies and distributes products across national chains, minimarkets, supermarkets, pharmacies, regional chains, HoReCa channels, and traditional trade outlets such as warehouses and family stores.

Industry: Consumer Goods Distribution (FMCG)

Attack summary

Severity: medium — Data has been published, indicating confirmed exfiltration, but the scale, sensitivity, and nature of the data are not clearly detailed in the available evidence; no regulated or large-scale PII exposure is confirmed.

The group APT73 claims to have attacked Grupo Principal and has published data (disclosed status: data_published), though the leak post does not specify whether encryption or exfiltration occurred, nor detail the volume or nature of the data compromised.

medium

Data the group says was taken

AI dossier — extracted from the leak post

Business operations data
Distribution and sales records
Employee contact information
Vendor/supplier data

What the group claims

Grupo Principal is a distribution company in Mexico that supplies and sells consumer goods (FMCG)...

Sources

Victim sitegrupo-principal.com
Leak posthttp://basherq53eniermxovo3bkduw5qqq5bkqcml3qictfmamgvmzovykyqd.onion/page_company.php?id=158

Source

Indexed 24 days 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.