user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat TrojanDropper:Win32/Muldrop.V!MTB
TrojanDropper:Win32/Muldrop.V!MTB - Windows Defender threat signature analysis

TrojanDropper:Win32/Muldrop.V!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: TrojanDropper:Win32/Muldrop.V!MTB
Classification:
Type:TrojanDropper
Platform:Win32
Family:Muldrop
Detection Type:Concrete
Known malware family with identified signatures
Variant:V
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: TrojanDropper for 32-bit Windows platform, family Muldrop

Summary:

TrojanDropper:Win32/Muldrop.V!MTB is a critical Trojan dropper designed to install additional malware on Windows 32-bit systems. Detected through a concrete signature and behavioral analysis, it employs specific code patterns, such as using `cmd.exe` for file renaming, to facilitate the dropping and execution of its malicious payload.

Severity:
Critical
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule TrojanDropper_Win32_Muldrop_V_2147741519_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "TrojanDropper:Win32/Muldrop.V!MTB"
        threat_id = "2147741519"
        type = "TrojanDropper"
        platform = "Win32: Windows 32-bit platform"
        family = "Muldrop"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR"
        threshold = "4"
        strings_accuracy = "High"
    strings:
        $x_2_1 = {5c 00 55 00 c5 00 69 00 c9 00 6f 00 72 00 cf 00 d1 00}  //weight: 2, accuracy: High
        $x_2_2 = {63 00 6d 00 64 00 20 00 2f 00 63 00 20 00 72 00 f9 00 6e 00 61 00 6d 00 65 00 20 00 22 00}  //weight: 2, accuracy: High
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: virussign.com_b7ddddba6aa7342ebc00216f73a874d0
7d6cc5ed01295e65a1cd94a35534b7c7b83786e5b4b5436d0804010bb6568c53
22/03/2026
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the affected system, perform a full system scan with updated antivirus software, and remove all detected malicious files. Investigate for persistence mechanisms and potential initial access vectors, then ensure all operating system and software patches are applied.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 22/03/2026. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊