Disclosure context

About MEDUSA LOCKER (aka BAVACAI

MedusaLocker (also identified under the alias BAVACAI) is a ransomware group first observed in May 2026, operating with a primary financial motivation consistent with contemporary cybercriminal ransomware operations. Due to the extremely limited public documentation available at this time — with only a single known victim on record and a very recent emergence date — comprehensive attribution, origin, and affiliation details cannot be responsibly stated without risking speculation beyond what is publicly confirmed by authoritative sources such as CISA, the FBI, or Mandiant. It should be noted that a separate, well-documented ransomware family also named MedusaLocker has been publicly tracked since 2019 and operates as a Ransomware-as-a-Service model; whether this BAVACAI-aliased entity represents a rebrand, offshoot, or entirely distinct group sharing the name is not confirmed by available public intelligence. Given the single known victim and the May 2026 first-observed date, this group should be considered an emerging or early-stage threat with minimal public threat intelligence footprint, and analysts are advised to treat any further characterization as preliminary pending additional reporting from law enforcement or the security research community. Monitoring for additional victim disclosures, leak site activity, and technical indicators will be necessary to develop a more complete operational profile. The group has been linked to 4 public disclosures across our corpus. First observed on a leak site on May 15, 2026; most recent post May 20, 2026. The operation is currently active.

Timeline of this disclosure

May 19, 20263137 S Alameda Street listed by MEDUSA LOCKER (aka BAVACAIon the group's public leak site

Sector and geography

Geographically, 3137 S Alameda Street is reported in US, a country with 2,713 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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Unknown Business at 3137 S Alameda Street

listed as 3137 S Alameda Street · Claimed by MEDUSA LOCKER (aka BAVACAI · listed 2 days ago

Age

since listed · listed for ransom

Status timeline

Listed
May 19, 2026

Current state: Listed for ransom

At a glance

Group: MEDUSA LOCKER (aka BAVACAI
Status: Listed for ransom
Country: US
Listed on leak site: May 19, 2026

About the victim

AI dossier — public-source company profile

The victim is identified only by a street address at 3137 S Alameda Street, Los Angeles, CA 90058. No company name, public website, or sector information is available to further characterize the organization. The nature of the business operating at this address cannot be determined from the available evidence.

Address: 3137 S Alameda Street, Los Angeles, CA 90058, USA

Attack summary

Severity: medium — Exfiltration is claimed and limited proof files are advertised, but no company identity, data type, scale, or sensitivity has been established, preventing a higher classification.

MEDUSA LOCKER (aka BAVACAI) claims to have exfiltrated data from the victim and is offering demo access to up to 10 files per folder, with full data to be published after an unspecified deadline.

medium

What the group claims

Company located at 3137 S Alameda Street, Los Angeles, CA 90058, USA

The leak post

captured from the group's site

3137 S Alameda Street, Los Angeles, CA 90058, USA
⚠ Demo access — showing up to 10 files per folder. Full data will be available after publication.

Screenshot of the leak post

Leak screenshot for 3137 S Alameda Street

Sources

Leak posthttp://t33zoj4qwv455fog7qnb2azi5xcdxkixughmmduzbw2rtdgryqfbh6id.onion/company/raycolighting/

Source

Indexed 2 days 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.