MALICIOUS — virussign.com_21de1d4e5b9bc467a78cf53e985d1580.vir

MALICIOUS — virussign.com_21de1d4e5b9bc467a78cf53e985d1580.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Muldrop family. 4 of 52 detection engines flagged it.

Identification

• SHA-256: 31c7d788ce8a68c0b100b07524f4b401f9b05081310b70bd13981fbdd10eb628
• SHA-1: c086639227817e44aac03d52b4c90b7fd2af7436
• MD5: 21de1d4e5b9bc467a78cf53e985d1580
• imphash: b7b1d154ca47a083b83fddc13f54b733
• ssdeep: 3072:TEDBaAo5ZRBZkx6cFXvfYy8Vn3vnqgviur:TErorq6c5YrVn3vqgviu
• TLSH: T105418EAF309249BFC30A63847BD018CC17E353DA21575CAAE148DA99D9B53FBAD90071
• Submitted as: virussign.com_21de1d4e5b9bc467a78cf53e985d1580.vir
• File type: pe · Size: 188419 bytes
• Verdict: malicious (98/100) · Family: Muldrop

Source: VirusSign · first seen 2026-07-29T00:00:00.000Z · SHA-256 verified

Detections (4 of 52 engines)

• ClamAV (daily): Win.Malware.Midie-6847893-0
• Microsoft Defender: TrojanDropper:Win32/Muldrop.V!MTB
• Emsisoft (Emergency Kit): Gen:Heur.Conjar.9
• Kaspersky (KVRT): HEUR:Trojan.Win32.Agent.pef

Why this verdict

The malicious score of 98/100 is the fusion of 5 weighted signals:

• ClamAV (daily) flagged Win.Malware.Midie-6847893-0 (rule Win.Malware.Midie-6847893-0) - engine signal, weight 0.90, confidence 0.95
• Microsoft Defender flagged TrojanDropper:Win32/Muldrop.V!MTB (rule TrojanDropper:Win32/Muldrop.V!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Heur.Conjar.9 (rule Gen:Heur.Conjar.9) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Win32.Agent.pef (rule HEUR:Trojan.Win32.Agent.pef) - engine signal, weight 0.55, confidence 0.85
• Embedded network infrastructure: http://purl.org/dc/elements/1.1/, http://www.iec.ch - static signal, weight 0.35, confidence 0.60

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• http://www.w3.org/1999/02/22-rdf-syntax-ns#
• http://ns.adobe.com/xap/1.0/
• http://purl.org/dc/elements/1.1/
• http://ns.adobe.com/photoshop/1.0/
• http://Bs.adobe.com/xap/1.0/mm/
• http://ns.adobe.com/xap/1.0/sType/ResourceRef#
• http://www.iec.ch

Embedded domains

• ns.adobe.com
• www.w3.org
• purl.org
• www.iec.ch
• bs.adobe.com

File paths

• C:\Program

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report