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, 2026olpro.com.my 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, olpro.com.my is reported in MY, a country with 29 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

← All victims

OLPRO Automation Sdn. Bhd.

listed as olpro.com.my · Claimed by apt73 · listed 23 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: MY
Sector: Business Services
Listed on leak site: Apr 27, 2026

About the victim

AI dossier — public-source company profile

OLPRO Automation Sdn. Bhd. is a Malaysian engineering company specialising in building automation, factory automation, and process automation solutions. The company supplies PLC systems, variable-speed drives, HMI systems, conveyor systems, and instrumentation equipment for industries including oil and gas, chemical, petrochemical, and power generation. It holds a partnership with German building automation manufacturer DEOS-AG and is capable of executing turnkey integration projects.

Industry: Industrial Automation & Engineering Services
Address: Malaysia

Attack summary

Severity: high — Data has been confirmed published (exfiltrated and released) by the threat actor, involving a company operating in critical industrial sectors including oil and gas, chemical, and petrochemical industries; potential exposure of sensitive project, client, and engineering data elevates severity.

The group APT73 claims to have compromised OLPRO Engineering/Automation Sdn. Bhd. and has published data from the attack, though no ransom amount or explicit data volume was stated. The disclosure status indicates data has been published, suggesting exfiltration occurred.

high

Data the group says was taken

AI dossier — extracted from the leak post

Engineering documents
Business records
Company profile data
Potentially client/project information

What the group claims

OLPRO Engineering Sdn Bhd is an engineering company in Malaysia that designs and manufactures ind...

Sources

Victim siteolpro.com.my
Leak posthttp://basherq53eniermxovo3bkduw5qqq5bkqcml3qictfmamgvmzovykyqd.onion/page_company.php?id=151

Source

Indexed 23 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.