Disclosure context

About Arvinclub

Arvinclub is a relatively obscure ransomware operation that emerged in September 2021, primarily motivated by financial gain through extortion activities targeting organizations across multiple sectors. The group's origin and affiliations remain largely undocumented in public threat intelligence reporting, with limited information available from major security vendors or law enforcement agencies regarding their operational structure or whether they operate as a Ransomware-as-a-Service model. Based on available attack data, Arvinclub has demonstrated a diverse geographical targeting approach, with documented victims spanning Colombia, Iran, the United Kingdom, India, and Russia, suggesting either opportunistic targeting or the use of automated attack vectors rather than region-specific campaigns. The group has shown a preference for targeting manufacturing organizations, food and agriculture companies, financial institutions, and educational entities, accumulating approximately 35 known victims since their emergence. Their specific attack methodologies, including initial access vectors, encryption techniques, and data exfiltration practices, have not been extensively documented in public threat intelligence reports from major security firms. No significant high-profile campaigns, major law enforcement disruptions, or notable ransomware demands have been publicly attributed to this group by CISA, FBI, or established security research organizations. The current operational status of Arvinclub remains unclear due to limited public reporting and threat intelligence coverage of this particular ransomware variant. The group has been linked to 35 public disclosures across our corpus. First observed on a leak site on September 9, 2021; most recent post November 6, 2023. The operation is currently inactive.

Also tracked as: Arvin Club.

Timeline of this disclosure

September 20, 2021Bureau van Dijk(bvdinfo.com) listed by Arvinclubon 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, Bureau van Dijk(bvdinfo.com) is reported in Belgium, a country with 32 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

Bureau van Dijk(bvdinfo.com)

Claimed by Arvinclub · listed 5 years ago

56m

Age

since listed · data leaked

Status timeline

Listed
Sep 20, 2021
Data leaked

At a glance

Group: Arvinclub
Status: Data leaked
Country: Belgium
Sector: Business Services
Listed on leak site: Sep 20, 2021

About the victim

AI dossier — public-source company profile

Bureau van Dijk (BvD), operating under the domain bvdinfo.com, is a Belgian-based subsidiary of Moody's Corporation that specialises in business intelligence and financial data. The company is best known for its databases of company financial information, including Orbis, which covers hundreds of millions of companies worldwide. BvD serves financial institutions, corporates, advisors, and government bodies across the globe with data products used for risk assessment, compliance, and M&A research.

Industry: Business Information & Financial Data Services
Address: Rue du Fossé-aux-Loups 38, 1000 Brussels, Belgium
Employees: 1001-5000
Founded: 1991

Attack summary

Severity: high — Bureau van Dijk holds extensive proprietary financial and corporate intelligence databases covering hundreds of millions of companies globally; any confirmed exfiltration of such business-sensitive and potentially regulated data would constitute a significant breach of high-value commercial and compliance data, even without a detailed leak post to confirm exact contents.

The Arvinclub ransomware group claims to have attacked Bureau van Dijk and has published data as part of a disclosed leak, though no specific ransom demand, data volume, or detailed leak post content was captured to confirm precise exfiltration claims.

high

Data the group says was taken

AI dossier — extracted from the leak post

Unknown — no leak post details available

Sources

Victim sitebvdinfo.com

Source

Indexed 5 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.