Was DUC App: Global Money Movement, Sim... hit by ransomware?

DUC App: Global Money Movement, Sim... was listed by the killsec ransomware operation (Canada), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the killsec ransomware group?

killsec is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the DUC App: Global Money Movement, Sim... breach?

killsec published data attributed to DUC App: Global Money Movement, Sim.... Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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DUC App

listed as DUC App: Global Money Movement, Sim... · Claimed by Killsec · listed 9 months ago

Age

since listed · data leaked

Status timeline

ListedOct 23, 2025
Data leakeddate unknown

At a glance

Group: Killsec
Status: Data leaked
Country: Canada
Sector: Technology
Listed on leak site: Oct 23, 2025

About the victim

AI dossier — public-source company profile

DUC App is a Canadian-based financial technology platform offering global money movement services including person-to-person transfers, international mobile top-ups, cryptocurrency transactions, gift cards, and API integrations for e-commerce. The platform operates via web, iOS, and Android and supports a wide range of payment methods including Visa, Mastercard, SEPA, Interac, and others. It has accumulated over 2,100 client reviews, suggesting a meaningful retail and business customer base.

Industry: Financial Technology (Fintech) & Cross-Border Payments

Attack summary

Severity: critical — The exfiltrated data includes private cryptocurrency keys (enabling direct financial theft), government-issued identity documents (passports, IDs), and financial transaction histories — all constituting regulated PII and financial data at scale. Private crypto keys in particular represent an immediate and irreversible financial risk to affected users.

KillSec claims to have exfiltrated sensitive customer and operational data from DUC App, including personal identification documents, cryptocurrency wallet keys, transaction histories, and contact information, threatening full public release if the company refuses to cooperate. The disclosure status is marked as data_published, indicating at least partial release has occurred.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Client home addresses
Phone numbers
Email addresses
Transaction histories
Public cryptocurrency wallet keys
Private cryptocurrency wallet keys
Verified identity documents
Passports
Government-issued IDs

What the group claims

DUC App is a leading financial technology platform that empowers individuals and businesses to manage global payments and currency exchange effortlessly. Offering instant transfers, international mobile top-ups, cryptocurrency transactions, and robust API integrations for e-commerce, DUC App delivers a secure, user-friendly experience across web, iOS, and Android devices -- The data includes, but is not limited to, clients&amp;amp;amp;amp;#039; home addresses, phone numbers, transaction histories, email addresses, public and private crypto address keys, verified documents, passports, IDs, and more. If the company refuses to cooperate, we will release all information.

Sources

Victim siteducapp.com

Source

Indexed 9 months 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.

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Disclosure context

About killsec

killsec is a relatively new ransomware group that emerged in March 2024, operating with apparent financial motivations and demonstrating broad targeting across multiple geographic regions and industry sectors. The group's origin and potential state affiliations remain unclear due to limited public documentation from major threat intelligence sources, though their targeting pattern suggests opportunistic rather than geopolitically motivated operations. With 276 documented victims primarily concentrated in the United States, India, the United Kingdom, Brazil, and Belgium, killsec appears to focus heavily on healthcare, technology, business services, and financial sectors, indicating either specific tooling designed for these environments or opportunistic targeting of organizations with valuable data and high pressure to restore operations quickly. Given the group's recent emergence and the lack of detailed technical analysis from established cybersecurity firms like Mandiant or law enforcement advisories from CISA or FBI, specific details about their attack methodology, initial access vectors, encryption techniques, and extortion tactics have not been publicly documented in authoritative sources. The group remains active as of current reporting, though the limited intelligence profile suggests they may be either a smaller operation or one that has not yet attracted significant attention from major threat intelligence organizations despite their substantial victim count. The group has been linked to 281 public disclosures across our corpus. First observed on a leak site on March 21, 2024; most recent post June 3, 2026. The operation is currently active.

Timeline of this disclosure

October 23, 2025DUC App: Global Money Movement, Sim... listed by killsecon the group's public leak site

Other recent disclosures by killsec

killsec has been linked to 281 public victims on Darkfield. A sample of the most recent:

See the full killsec dossier →

Sector and geography

This disclosure adds to ransomware activity in the Technology sector, which has 3,549 disclosures indexed across all operators we track. Geographically, DUC App: Global Money Movement, Sim... is reported in Canada, a country with 1,055 ransomware disclosures in our corpus.

If your organisation is affected

A listing by killsec means DUC App: Global Money Movement, Sim... appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
Report the incident to your national CERT, CCCS (Canada), as required for your jurisdiction.
Monitor for the data appearing on killsec's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

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.