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

Trojan:MSIL/FormBook.RVV!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:MSIL/FormBook.RVV!MTB
Classification:
Type:Trojan
Platform:MSIL
Family:FormBook
Detection Type:Concrete
Known malware family with identified signatures
Variant:RVV
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 FormBook

Summary:

This detection identifies FormBook, a highly sophisticated information-stealing Trojan, using machine learning behavioral analysis. FormBook is known for exfiltrating sensitive data such as credentials, financial information, and browsing history, and can facilitate further remote control or malware deployment.

Severity:
High
VDM Static Detection:
No specific strings found for this threat
Known malware which is associated with this threat:
Filename: rStatementofAccountasat30November2025.exe
b0ee478720418f12715d7866f7b106c85156fc06dcb333cfcf46244f6c85bdae
29/01/2026
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the affected system from the network to prevent further data exfiltration or spread. Perform a full, deep scan with updated antivirus software to ensure complete removal. All credentials used on the system (especially for banking, email, and social media) must be considered compromised and should be changed from a secure, clean device. Monitor for any unusual network activity or account access.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 29/01/2026. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊