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

August 3, 2023150k sib360 Database listed by Arvinclubon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Technology sector, which has 2,524 disclosures indexed across all operators we track. Geographically, 150k sib360 Database is reported in France, a country with 472 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

SIB360

listed as 150k sib360 Database · Claimed by Arvinclub · listed 3 years ago

34m

Age

since listed · data leaked

Status timeline

Listed
Aug 3, 2023
Data leaked

At a glance

Group: Arvinclub
Status: Data leaked
Country: France
Sector: Technology
Listed on leak site: Aug 3, 2023

About the victim

AI dossier — public-source company profile

SIB360 is a technology company operating under the domain sib360.com, based in France. Based on the victim name referencing a '150k database', the company appears to maintain a database of approximately 150,000 records. Further details about their specific products or services are unavailable from the provided sources.

Industry: Technology / Software Services

Attack summary

Severity: high — Data has been published (disclosed status: data_published), indicating confirmed exfiltration of a database containing approximately 150,000 records. The scale of the breach and public publication of data warrants a high severity rating, though the lack of detail on data types (e.g., PII, financial) prevents elevation to critical.

The group Arvinclub claims to have exfiltrated a database of approximately 150,000 records belonging to SIB360, with the data published openly. No ransom amount was stated and no additional operational details were captured in the leak post.

high

Data the group says was taken

AI dossier — extracted from the leak post

Database records (approximately 150,000 entries)

Sources

Victim sitesib360.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.