user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:Win64/Filecoder.RVA!MTB
Trojan:Win64/Filecoder.RVA!MTB - Windows Defender threat signature analysis

Trojan:Win64/Filecoder.RVA!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:Win64/Filecoder.RVA!MTB
Classification:
Type:Trojan
Platform:Win64
Family:Filecoder
Detection Type:Concrete
Known malware family with identified signatures
Variant:RVA
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 64-bit Windows platform, family Filecoder

Summary:

This is a concrete detection of a Win64 ransomware variant (Filecoder.RVA) that encrypts user files and demands a ransom. The detection's low false positive risk and backing by machine learning behavioral analysis indicate a highly confident and severe threat.

Severity:
Critical
VDM Static Detection:
No detailed analysis available from definition files.
Known malware which is associated with this threat:
Filename: mpclient_core.dll
4998897200cbbff6df24a401733d1839cc461ec8b5455f3a860ce4df3ba6e4fe
31/01/2026
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the infected host from the network. Perform a full system scan with up-to-date antivirus and remove detected threats. If files are encrypted, restore from a clean backup, and investigate the initial compromise vector.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 31/01/2026. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊