Disclosure context

About Avoslocker

**Overview**: AvosLocker is a financially motivated ransomware group that emerged in June 2021, operating as both a Ransomware-as-a-Service (RaaS) platform and conducting direct attacks against organizations worldwide. The group has demonstrated sophisticated capabilities and has targeted over 70 victims across multiple critical sectors. **Origin & Affiliation**: While the exact country of origin remains unclear, AvosLocker operates as a RaaS model, recruiting affiliates to conduct attacks using their ransomware payload and infrastructure. The group has shown no clear ties to state-sponsored activities, appearing to be purely profit-driven cybercriminals. **Attack Methodology**: AvosLocker typically gains initial access through compromised Remote Desktop Protocol (RDP) credentials, VPN vulnerabilities, and phishing campaigns, subsequently deploying tools like Cobalt Strike for lateral movement and persistence. The group employs double extortion tactics, stealing sensitive data before encrypting systems and threatening to publish the information on their leak site if ransom demands are not met. Their ransomware uses strong encryption algorithms and includes capabilities to terminate security processes and delete shadow copies to prevent recovery. **Notable Campaigns**: The group has particularly targeted critical infrastructure sectors including education, manufacturing, finance, healthcare, and transportation, with significant attacks reported against organizations in the United States, Germany, Singapore, Canada, and France. CISA and FBI have issued joint advisories warning about AvosLocker's targeting of critical infrastructure, highlighting the group's impact on essential services. **Current Status**: As of recent threat intelligence reporting, AvosLocker remains active, continuing to recruit affiliates and conduct ransomware operations against organizations globally. The group has been linked to 70 public disclosures across our corpus. First observed on a leak site on June 13, 2021; most recent post February 11, 2023. The operation is currently inactive.

Also tracked as: Avos.

Timeline of this disclosure

February 11, 2023CannonDesign listed by Avoslockeron the group's public leak site

Data size: 5.7 TB
Ransom demanded: $279.8M

Sector and geography

This disclosure adds to ransomware activity in the Construction sector, which has 415 disclosures indexed across all operators we track. Geographically, CannonDesign is reported in United States, a country with 7,392 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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CannonDesign

Claimed by Avoslocker · listed 3 years ago

5.7 TB

Data size

$279.8M

Ransom

demanded

39m

Age

since listed · data leaked

Status timeline

Listed
Feb 11, 2023
Data leaked

At a glance

Group: Avoslocker
Status: Data leaked
Country: United States
Sector: Construction
Listed on leak site: Feb 11, 2023
Data size: 5.7 TB
Ransom demanded: $279.8M
Estimated revenue: $279.8M

About the victim

AI dossier — public-source company profile

CannonDesign is a US-based integrated architecture, engineering, and design firm operating across multiple offices nationwide. The firm provides services spanning building design, culture and change strategies, immersive experiences, and sustainable futures planning. With approximately 1,100 employees and reported revenue of $279.8M, it serves clients in sectors including healthcare, education, and commercial real estate.

Industry: Architecture & Design Consulting
Employees: 1100

Attack summary

Severity: critical — Confirmed exfiltration of 5.7 TB of data with data already published; post includes actual Social Security Numbers, home addresses, and dates of birth of identified C-suite executives, constituting regulated PII at high sensitivity; scale of corporate and client data exposure is significant.

AvosLocker claims to have exfiltrated 5.7 TB of corporate and client files from CannonDesign, with data already published following non-payment. The post includes personally identifiable information — including full SSNs, home addresses, and dates of birth — for named C-suite and VP-level executives as proof of access.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Corporate files
Client files
Executive SSNs
Executive home addresses
Executive dates of birth
Executive full names and personal details

What the group claims

Employees: 1,100 - Revenue: $279.8M - Site: www.cannondesign.com Exfiltrated: 5.7 TB Wasting our time will result in your data being leaked. Over 5 TB corporate and client files will be released CEO: "Entity": "US", "SSN - US": "367725265", "Last Name": "Lukanic", "First Name": "Bradley", "Nickname": "Brad", "Street Address": "6619 Braeburn Pkwy", "City": "Bethesda", "State/Prov": "MD", "Zip Code": "20817", "Birth Date": "02/15/1971", CFO: "Entity": "US", "SSN - US": "078564382", "Last Name": "Carlino", "First Name": "David", "Nickname": "Dave", "Street Address": "5411 Via Del Sole", "City": "Williamsville", "State/Prov": "NY", "Zip Code": "14221", "Birth Date": "07/29/1961", VP: "Entity": "US", "SSN - US": "121683252", "Last Name": "Schopp", "First Name": "Carolyn", "Nickname": "Carolyn", "Street Address": "3621 W River Road", "City": "Grand Island", "State/Prov": "NY", "Zip Code": "14072", "Birth Date": "10/09/1975",

Sources

Victim sitecannondesign.com

Source

Indexed 3 years 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.