Trojan:JS/GuLoader.ZOJ!MTB

user@threatcheck.sh ~ threat-analysis

bash

$ analyze-threat Trojan:JS/GuLoader.ZOJ!MTB

Trojan:JS/GuLoader.ZOJ!MTB - Windows Defender threat signature analysis

$ cat analysis.txt

=== THREAT ANALYSIS REPORT ===

Threat Name: Trojan:JS/GuLoader.ZOJ!MTB

Classification:

Type:Trojan

Platform:JS

Family:GuLoader

Detection Type:Concrete

Known malware family with identified signatures

Variant:ZOJ

Specific signature variant within the malware family

Suffix:!MTB

Detected via machine learning and behavioral analysis

Detection Method:Behavioral

Confidence:Very High

False-Positive Risk:Low

Concrete signature match: Trojan - Appears legitimate but performs malicious actions for JavaScript platform, family GuLoader

VDM Static Detection:

No detailed analysis available from definition files.

Known malware which is associated with this threat:

Filename: SPA of goods (draft) final 20072026.js

03fe281c2603a01f649e2f2fc0c800af4d882d4ff0d1a38450198482700e87dd

20/07/2026

Filename: PRICE REQUEST Nº LC251311-48SG97 _ Helvyk-Elevators.js

d42b4e0a968df2f299da9a2fef8e5cee57bf64ca15095b4591b03333ffb21000

10/12/2025

=== END REPORT ===

$ reanalyze-threat

This analysis was last updated on 10/12/2025. Do you want to analyze it again?

$ ls available-commands/

user@threatcheck.sh:~$ ▊

Trojan:JS/GuLoader.ZOJ!MTB - Windows Defender Threat Analysis