Disclosure context

About Groove

Groove is a relatively minor ransomware operation that emerged in September 2021, primarily motivated by financial gain through extortion activities. The group's origin and affiliations remain largely undocumented in public threat intelligence reporting, with limited information available about their operational structure or potential ties to other cybercriminal organizations. Based on available data, Groove has demonstrated a focused targeting approach, with documented attacks against media sector organizations, though their specific attack methodologies, initial access vectors, and technical capabilities have not been extensively analyzed or reported by major security firms. The group's operational scale appears limited, with only 13 known victims documented in public reporting, suggesting either a smaller operation or one that has maintained a relatively low profile compared to major ransomware families. Groove's current operational status remains unclear due to the limited public documentation and intelligence reporting available about this particular threat actor. The group has been linked to 13 public disclosures across our corpus. First observed on a leak site on September 9, 2021; most recent post October 30, 2021. The operation is currently inactive.

Timeline of this disclosure

September 13, 2021robinwoodortho.com listed by Grooveon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Healthcare sector, which has 1,779 disclosures indexed across all operators we track. Geographically, robinwoodortho.com 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

← All victims

Robinwood Orthodontics

listed as robinwoodortho.com · Claimed by Groove · listed 5 years ago

57m

Age

since listed · data leaked

Status timeline

Listed
Sep 13, 2021
Data leaked

At a glance

Group: Groove
Status: Data leaked
Country: United States
Sector: Healthcare
Listed on leak site: Sep 13, 2021

About the victim

AI dossier — public-source company profile

Robinwood Orthodontics (robinwoodortho.com) is a US-based orthodontic dental practice. The site returns only a default IIS Windows Server page, limiting available detail, but the domain and sector classification indicate a private orthodontic clinic serving patients in the United States. As a healthcare provider, the practice likely handles protected health information (PHI) and patient records.

Industry: Orthodontic Dental Practice

Attack summary

Severity: critical — The victim is a healthcare provider subject to HIPAA; data_published status indicates regulated patient data (PHI/PII) has been exfiltrated and released, meeting the critical threshold for confirmed exfiltration of medical/regulated data.

The Groove ransomware group claims a disclosed attack against Robinwood Orthodontics, with status recorded as data_published, indicating exfiltration and publication of data; no specific data size or ransom demand was stated in the available post.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Patient records (probable PHI)
Personal identifiable information
Medical/dental treatment data
Billing and financial records

Sources

Victim siterobinwoodortho.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.