Disclosure context

About qilin

Qilin is a ransomware group that emerged in October 2022, operating with primarily financial motivations through targeted attacks against organizations across multiple sectors. The group appears to operate independently with limited public information available regarding their specific country of origin or affiliations to other ransomware families. Qilin employs double extortion tactics, typically exfiltrating sensitive data before deploying their encryption payload, though specific details about their initial access vectors and technical tools remain less documented in public security research. The group has demonstrated a broad targeting approach, with their 1645 known victims spanning multiple countries including the United States, France, Canada, United Kingdom, and Germany, with particular focus on manufacturing, technology, healthcare, and business services sectors. Based on available intelligence reporting, Qilin remains an active threat as of recent assessments, continuing their ransomware operations without significant reported law enforcement disruption. The group has been linked to 1,857 public disclosures across our corpus. First observed on a leak site on October 8, 2022; most recent post May 20, 2026. The operation is currently active.

Timeline of this disclosure

May 20, 2026Air Conditioning Florida & Mrdsllc & RTE Stucco & MR Drywall Services listed by qilinon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Construction sector, which has 415 disclosures indexed across all operators we track. Geographically, Air Conditioning Florida & Mrdsllc & RTE Stucco & MR Drywall Services is reported in US, a country with 2,713 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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Air Conditioning Florida & Mrdsllc & RTE Stucco & MR Drywall Services

Claimed by qilin · listed 11 hours ago

Today

Age

since listed · data leaked

Status timeline

Listed
May 20, 2026
Data leaked

At a glance

Group: qilin
Status: Data leaked
Country: US
Sector: Construction
Listed on leak site: May 20, 2026

About the victim

AI dossier — public-source company profile

Air Conditioning Florida, MRDsLLC, RTE Stucco, and MR Drywall Services appear to be regional construction and mechanical contractors operating in Florida, providing HVAC, stucco, and drywall services. No detailed public site content was available for verification.

Industry: Construction & HVAC Services

Attack summary

Severity: low — No leak post content, proof files, or data inventory details are available. Listing/announcement only with no operational impact or sensitive data confirmation stated.

Qilin ransomware group claims to have attacked these construction firms and published exfiltrated data. Specific operational details (encryption, scope, data types) are not provided in the available post excerpt.

low

What the group claims

N/A

Sources

Source

Indexed 11 hours 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.