MALICIOUS — virussign.com_42a5a19d180af70d30fbb0b2132519e0.vir

MALICIOUS — virussign.com_42a5a19d180af70d30fbb0b2132519e0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (93/100), attributed to the HUILoader family. 7 of 52 detection engines flagged it.

Identification

• SHA-256: 942f20626d4954981532ae5ac109949b42b6937cd72da28a00f44fe3483a7a46
• SHA-1: 54d9ebea0b05c3e167719f3356e3913672ecf870
• MD5: 42a5a19d180af70d30fbb0b2132519e0
• imphash: 178689c38c1294cbf87aafcafb2357ed
• ssdeep: 24576:XJujSgOZL7nY/F8mPl8JFFZW01WwZ7kYybmcU+ff6dNh:ZujM3nY2Eul801WwdkYy7USibh
• TLSH: T1A55533B347839D4CCFD8BEFD32F96DDCB58425B4061847660A9A0C9A808625BF72391D
• Submitted as: virussign.com_42a5a19d180af70d30fbb0b2132519e0.vir
• File type: pe · Size: 1238066 bytes
• Verdict: malicious (93/100) · Family: HUILoader

Source: VirusSign · first seen 2026-08-09T00:00:00.000Z · SHA-256 verified

Detections (7 of 52 engines)

• MalwareAnalyser heuristics (entropy/packer): UPX
• ClamAV (daily): Win.Malware.Genpack-10015161-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• Detect It Easy (packer/type): DIE:Microsoft Linker
• Microsoft Defender: flagged
• Emsisoft (Emergency Kit): Trojan.Stealer.556
• Kaspersky (KVRT): HEUR:Trojan.Win32.Nosok.gen

Why this verdict

The malicious score of 93/100 is the fusion of 4 weighted signals:

• ClamAV (daily) flagged Win.Malware.Genpack-10015161-0 (rule Win.Malware.Genpack-10015161-0) - engine signal, weight 0.90, confidence 0.95
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70
• Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
• Packing/obfuscation: UPX, Microsoft Linker - static signal, weight 0.25, confidence 0.55

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 domains

• j.it
• a.mx

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report