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Leak-site post naming Lloyd Coils Europe, captured by ThreatCluster

Lloyd Coils Europe

aurora

Ransomware leak-site victim intelligence · EN

Files
6
Views
32,783
Posted
Aug 17, 2026
Country
Czech Republic
Industry
manufacturing

Summary

Written by ThreatClusterfrom site fields, file listing, victim profile, leak post, screenshot

Aurora claims six files were taken from 4 Coils Technology s.r.o. (Lloyd Coils Europe), a Czech-headquartered HVAC&R manufacturer. Sample filenames published include KEY portal.4coilstech.eu.key, KEY vpn.leelcoils.eu.key, CONFIG ATM_user_app.exe.config, CS clsCrypt.cs, CS clsCalculation.cs, and TXT Management Karty - pristupy.txt. The leak page identifies the victim as 4 Coils Technology s.r.o., domain 4coilstech.eu, with offices in Germany, France, and the United Kingdom. The leak post is published.

Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.

Victim profile

Employees
200
Domains
4coilstech.eu 4coilstech.eu sapurnale.io

What was taken

Lloyd Coils Europe 4 Coils Technology s.r.o. (trading as Lloyd Coils Europe) is a Czech-headquartered manufacturer of custom heat exchangers for the HVAC&R industry, with offices in Germany, France, and the United Kingdom. They serve 200+ OEM customers across 39 countries — names like Carrier, Daikin, Trane, Systemair, Remak, GEA, Swegon, and VTS.

Data categories
ContractsDatabasesEmailsSource codeOther
Leak site tags
manufacturer
File types seen
cs × 2key × 2txt × 1config × 1
Sample files (6)
KEY portal.4coilstech.eu.key
KEY vpn.leelcoils.eu.key
CONFIG ATM_user_app.exe.config
CS clsCrypt.cs
CS clsCalculation.cs
TXT Management Karty - pristupy.txt

Also stated on the leak page

Fields this group publishes that do not map to a standard column. Labels are the site's own.

Address
4 COILS TECH s.r.o., Vrážská 143, 153 00 Prague 5 – Radotín Czech Republic
Offices
Germany, France, and the United Kingdom
Server Link 1
http://fofss3tzlhqgr3zpitf4ucbjlyj6ia6czuyjxqweo6o5c7iwwd5vdoad.onion/data/HEATCRAFT
Server Link 2
https://sapurnale.io/data/HEATCRAFT

Leak-site images (2)

Images from the victim's leak listing. Thumbnails scraped from the onion page are blurred by default — click a thumbnail to view.

ThreatCluster capture
Logo featuring the text "4COILS TECH" with a blue dot.
onion leak page6.1 KB

Negotiation