user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:MSIL/UmbralStealer.DG!MTB
Trojan:MSIL/UmbralStealer.DG!MTB - Windows Defender threat signature analysis

Trojan:MSIL/UmbralStealer.DG!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:MSIL/UmbralStealer.DG!MTB
Classification:
Type:Trojan
Platform:MSIL
Family:UmbralStealer
Detection Type:Concrete
Known malware family with identified signatures
Variant:DG
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 .NET (Microsoft Intermediate Language) platform, family UmbralStealer

Summary:

This is a concrete detection of UmbralStealer.DG, a malicious Trojan designed to steal sensitive information and credentials from the compromised system. The detection leverages machine learning behavioral analysis, indicating a high confidence in its malicious nature.

Severity:
Medium
VDM Static Detection:
No specific strings found for this threat
Known malware which is associated with this threat:
Filename: Spoofer.exe
ec4b781a75ed63b685d8a8fb115630861f5492f8bdc9fd76aa3d320ac2eddb37
15/01/2026
→VirusTotal↓Download Sample
Filename: Nitro.exe
8a4d6797aedf92a17d8303d7364e1ffa476ddcae06c1e5b62008e2573b5abc10
22/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the affected system immediately, perform a full anti-malware scan to remove the threat, reset all potentially compromised credentials, and monitor for any signs of further malicious activity or data exfiltration.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 22/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊