HOMETHREATSUnidentified JS 004
MALWARE FAMILY

Unidentified JS 004

Internal ID: js.unidentified_004
1
aliases
Last seen:Mar 17, 2026

Intelligence Profile

A simple loader written in JavaScript found by Marco Ramilli.

Threat Analysis

Unidentified JS 004 is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

External References

→https://marcoramilli.com/2020/11/27/threat-actor-unkown/

Quick Facts

TypeMalware Family
Aliases1

Also Known As

js.unidentified_004

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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Unidentified JS 004 — Malware Family | Threat Intelligence | CTIWATCH.COM