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

Trojan:MSIL/PureLogStealer.RVF!MTB - Windows Defender Threat Analysis

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

Summary:

This is a Trojan stealer from the PureLogStealer family, specifically designed to collect and exfiltrate sensitive user credentials and other personal information from the compromised system. Its detection is concrete and confirmed by machine learning behavioral analysis.

Severity:
High
VDM Static Detection:
No detailed analysis available from definition files.
Known malware which is associated with this threat:
Filename: SecuriteInfo.com.Trojan.PWS.Siggen5.32534.6911.8053
85a3dc5688b54be9cf44a2060a9faa5b3c73b291520de1c3646f99f5f045728e
14/05/2026
Filename: 58906887aae22be28e5600b49fa6b7e420a3b2e60915bfb657366ff3f8e545a1
58906887aae22be28e5600b49fa6b7e420a3b2e60915bfb657366ff3f8e545a1
12/05/2026
Filename: 94fb0f8b08bb4f1fb94244d69c3d0661.exe
d94cc4755317e3c1d46cf05baeb2cf1c2590550e59f5771d3388a957dba2beb4
05/05/2026
Filename: b5f172450ea32e87be50bbb17b7a473f6bbc94937c200c8653f9c2c8f500767f
b5f172450ea32e87be50bbb17b7a473f6bbc94937c200c8653f9c2c8f500767f
15/04/2026
Filename: 0b5c3cd6bf4d49aa576efc786b65baad.exe
c90957ae325f7ecd6d23004503133a029fe0691e0542afb2a2b335c4841622ac
30/03/2026
Remediation Steps:
Ensure Windows Defender has successfully quarantined or removed the threat. Perform a full system scan and immediately change all sensitive passwords (e.g., banking, email, social media) that were accessed from the affected device, as this is a stealer. Monitor network activity for any signs of continued data exfiltration.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 21/03/2026. Do you want to analyze it again?
$ ls available-commands/
user@threatcheck.sh:~$