MALICIOUS — virussign.com_ef94593c1120363eb89c6132cf1f1e40.vir

MALICIOUS — virussign.com_ef94593c1120363eb89c6132cf1f1e40.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (87/100), attributed to the Virlock family. 5 of 52 detection engines flagged it.

Identification

• SHA-256: 88b3dd04bbfc10c133a2fd5ed6ccf8e9f7ca3eab8c7bf6bdecd939728e6732a6
• SHA-1: 761eec73eb1c64693da99aeb6866b277122559dd
• MD5: ef94593c1120363eb89c6132cf1f1e40
• imphash: bd70f34eacba57fa31de9c7113eb5ee8
• ssdeep: 12288:WI8SLwgLZ8WlrTg+FS4EwMeYJ7GmeERTMT:soXGWJsVnFy
• TLSH: T17A4A02995CFCC8DCC212458775A6AE3D7B6504425E38E2C21ED9BE2B25630DFD0B12AC
• Submitted as: virussign.com_ef94593c1120363eb89c6132cf1f1e40.vir
• File type: pe · Size: 442880 bytes
• Verdict: malicious (87/100) · Family: Virlock

Source: VirusSign · first seen 2026-08-05T00:00:00.000Z · SHA-256 verified

Detections (5 of 52 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
• ClamAV (daily): Win.Virus.Virlock-6804475-0
• Microsoft Defender: Ransom:Win32/ContiCrypt.LOD!MTB
• Emsisoft (Emergency Kit): Win32.Virlock.Gen.1
• Kaspersky (KVRT): Virus.Win32.PolyRansom.b

Why this verdict

The malicious score of 87/100 is the fusion of 2 weighted signals:

• ClamAV (daily) flagged Win.Virus.Virlock-6804475-0 (rule Win.Virus.Virlock-6804475-0) - engine signal, weight 0.90, confidence 0.95
• Packing/obfuscation: high-entropy-sections:.text - 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

• s3.be

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report