Disclosure context

About lockbit5

Based on the provided data, LockBit5 appears to be a recently emerged ransomware operation first observed in December 2025, representing what may be a new iteration or rebrand within the LockBit ransomware ecosystem, with primary financial motivations evidenced by their targeting of high-value sectors. Given the LockBit naming convention and the timing of emergence, this group likely operates from Eastern Europe or Russia and may represent either a continuation of previous LockBit operations or a new affiliate group leveraging the established LockBit brand, though specific organizational details remain undocumented by major security agencies. While detailed attack methodologies have not been publicly documented by CISA, FBI, or major security researchers, the group's targeting pattern across 157 victims suggests a broad-spectrum approach focusing on technology, manufacturing, healthcare, and transportation sectors primarily in the United States, Brazil, Germany, Italy, and Mexico. Due to the group's recent emergence in December 2025, there are no publicly documented notable campaigns or major incidents reported by established threat intelligence sources, though the victim count indicates active operations. The group appears to be currently active based on the recent first observation date, though comprehensive analysis from major security agencies has not yet been published given the short timeframe since emergence. The group has been linked to 252 public disclosures across our corpus. First observed on a leak site on December 7, 2025; most recent post May 12, 2026. The operation is currently active.

Timeline of this disclosure

April 26, 2026murni.co.id listed by lockbit5on the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Agriculture and Food Production sector, which has 536 disclosures indexed across all operators we track. Geographically, murni.co.id is reported in ID, a country with 23 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

PT Murni Solusindo Nusantara

listed as murni.co.id · Claimed by lockbit5 · listed 25 days ago

24d

Age

since listed · data leaked

Status timeline

Listed
Apr 26, 2026
Data leaked

At a glance

Group: lockbit5
Status: Data leaked
Country: ID
Sector: Agriculture and Food Production
Listed on leak site: Apr 26, 2026

About the victim

AI dossier — public-source company profile

PT Murni Solusindo Nusantara is an Indonesian ICT-based solution provider and digital transformation enabler, ISO 9001:2015 certified. The company supplies banking and financial technology products including cash processing machines, cheque processing systems, self-service kiosks, digital signage, and branch transformation solutions. It also offers services such as robotic process automation, digital identity/eKYC, signature verification, and ergonomic solutions across banking, retail, healthcare, and government sectors.

Industry: ICT Solutions & Financial Technology (Banking Equipment & Digital Transformation)

Attack summary

Severity: high — Data has been published by the threat actor, confirming exfiltration. The victim is an ICT and fintech solutions provider serving banks and financial institutions in Indonesia, meaning stolen data may include sensitive client configurations, contracts, or financial sector operational data, posing significant downstream risk.

The LockBit 5 ransomware group claims to have attacked PT Murni Solusindo Nusantara and has published data (disclosed status: data_published), indicating exfiltration of company data. No ransom amount or specific data volume has been stated in the post.

high

Data the group says was taken

AI dossier — extracted from the leak post

Company internal documents
Customer data
Business correspondence
Financial records
Employee information

What the group claims

PT Murni Solusindo Nusantara is an ICT-based solution provider company with ISO 9001:2015 certificat...

Sources

Victim sitemurni.co.id
Leak posthttp://lockbitapt67g6rwzjbcxnww5efpg4qok6vpfeth7wx3okj52ks4wtad.onion/post/1f6ace0b98cd8870617e578fb83bcd4e

Source

Indexed 25 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.