user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Ransom:MSIL/FileCoder.YG!MTB
Ransom:MSIL/FileCoder.YG!MTB - Windows Defender threat signature analysis

Ransom:MSIL/FileCoder.YG!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Ransom:MSIL/FileCoder.YG!MTB
Classification:
Type:Ransom
Platform:MSIL
Family:FileCoder
Detection Type:Concrete
Known malware family with identified signatures
Variant:YG
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: Ransomware - Encrypts files and demands payment for .NET (Microsoft Intermediate Language) platform, family FileCoder

Summary:

This is a concrete detection of a ransomware threat known as FileCoder.YG, which typically encrypts user files and demands a ransom for their release. The detection was made using machine learning behavioral analysis, indicating it identified malicious behavior characteristic of ransomware. This specific variant has a low false positive risk.

Severity:
High
VDM Static Detection:
No specific strings found for this threat
Known malware which is associated with this threat:
Filename: R3DSKU1L.exe
c14140334714625be71b73008adf8f54c878e3c9f979c3e58d6518fb5efdf485
14/01/2026
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the affected system from the network. Run a full, updated antivirus scan to remove the threat. Restore encrypted files from recent, uninfected backups, and educate users on recognizing phishing attempts and suspicious downloads to prevent future infections.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 14/01/2026. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊