LockFile

aliases

Last seen:Mar 17, 2026

Intelligence Profile

A ransomware first observed in July 2021.

Threat Analysis

LockFile is a high-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of financial.

Financially motivated threat actors like LockFile prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.

With high sophistication, LockFile is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.

External References

→https://blog.cyble.com/2021/08/25/lockfile-ransomware-using-proxyshell-attack-to-deploy-ransomware/

→https://decoded.avast.io/threatintel/decryptor-for-atomsilo-and-lockfile-ransomware/

→https://news.sophos.com/en-us/2021/08/23/proxyshell-vulnerabilities-in-microsoft-exchange-what-to-do/

→https://news.sophos.com/en-us/2021/08/27/lockfile-ransomwares-box-of-tricks-intermittent-encryption-and-evasion/

→https://news.sophos.com/en-us/2022/03/17/the-ransomware-threat-intelligence-center/

Quick Facts

TypeAPT / Threat Group

Motivation💰 financial

Sophisticationhigh

Aliases2

Also Known As

win.lockfileLockFile

External Intelligence

Malpedia: win.lockfile

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

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