Skip to main content
Darkfield

Ransomware victim disclosure

← All victims

ООО Кайлос

listed as kailos.ru · Claimed by Lv · listed 3 years ago

31m
Age
since listed · data leaked

Status timeline

  1. ListedDec 20, 2023
  2. Data leakeddate unknown

At a glance

Group
Lv
Status
Data leaked
Country
Russia
Sector
Business Services
Listed on leak site
Dec 20, 2023

About the victim

AI dossier — public-source company profile

Kailos LLC is a Russian business services and advertising agency founded in November 2007, based in Khabarovsk. The company offers advertising placement, audio advertising, signage manufacturing, printing, conference room rental, accounting services, trademark registration, and marketing services. It operates 2 client-facing offices and 3 production facilities with a staff of 24 specialists.

Industry
Business Services & Advertising
Address
Хабаровск, Россия
Employees
24
Founded
2007

Attack summary

Severity: medium — Confirmed data exfiltration with publication of leak post, but no specific proof files visible and data type is primarily business/operational rather than regulated personal data at mass scale. Company is small-to-medium sized with limited regulatory data exposure.

The Lv group claims to have encrypted the company's systems and exfiltrated business data. The group's post sarcastically notes the company's apparent indifference to data leaks and loss 'at colossal scale', implying significant data compromise.

medium

Data the group says was taken

AI dossier — extracted from the leak post
  • Business operations data
  • Client information
  • Financial/accounting records
  • Marketing materials
  • Internal company documents

What the group claims

Агентство деловых услуг "Кайлос" начало свою работу 28 ноября 2007 года с одного маленького офиса и цеха площадью 20 кв. м. в составе 4-х человек (директора, главного бухгалтера, мастера цеха и менеджера). На сегодняшний день работает 24 специалиста, 2 офиса по работе с клиентами, 3 производственных цеха общей площадью 250 кв. м.Агентство входит в холдинг, что позволяет ему стабильно работать. Компания динамично развивается, ежегодно увеличивая оборот на 30 %.При этом агентство совершенно не заботит утечка и утеря данных в колоссальных масштабах.

Sources

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.

Is this your supplier? Your competitor? You?

Pro plans monitor your domain, corporate emails, and crypto wallets across every new ransomware leak-site post, breach dump and Telegram callout — alerts within 5 minutes.

Disclosure context

About Lv

Lv is a financially motivated ransomware group that emerged in November 2021, operating with relatively low visibility compared to major ransomware families but maintaining consistent activity across multiple regions and sectors. The group's country of origin and specific affiliations remain undocumented in public threat intelligence reporting, though their targeting patterns suggest they operate independently rather than as part of a larger ransomware-as-a-service ecosystem. Limited public documentation exists regarding Lv's specific attack methodology, initial access vectors, or technical capabilities, though their successful compromise of 115 documented victims across diverse sectors indicates they employ conventional ransomware deployment techniques. The group has demonstrated a preference for targeting critical infrastructure and business services, with notable geographic focus on Russia, France, Malaysia, the United States, and the Netherlands, spanning sectors including energy, telecommunications, business services, media, and non-profit organizations. Current intelligence suggests Lv remains active as of recent reporting, though the group maintains a lower profile than prominent ransomware families and has not been subject to major law enforcement disruption operations. The group has been linked to 115 public disclosures across our corpus. First observed on a leak site on November 22, 2021; most recent post March 13, 2024. The operation is currently inactive.

Timeline of this disclosure

  • December 20, 2023kailos.ru listed by Lvon the group's public leak site

Other recent disclosures by Lv

Lv has been linked to 115 public victims on Darkfield. A sample of the most recent:

See the full Lv dossier →

Sector and geography

This disclosure adds to ransomware activity in the Business Services sector, which has 3,796 disclosures indexed across all operators we track. Geographically, kailos.ru is reported in Russia, a country with 63 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Lv means kailos.ru 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.
  • Monitor for the data appearing on Lv'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.