Categories: Malware

Ursu.731 malicious file

The Ursu.731 is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Ursu.731 virus can do?

  • Dynamic (imported) function loading detected
  • Authenticode signature is invalid
  • Binary compilation timestomping detected

How to determine Ursu.731?


File Info:

name: 12C8B8AC68CBC72D2591.mlwpath: /opt/CAPEv2/storage/binaries/e1acf05938172b3b458f9b5eb896bd34b337e52c411f413f3df6d2e34c7550b2crc32: 190F758Amd5: 12c8b8ac68cbc72d2591fd0711b0ce34sha1: 6cd8501fb52bc6f11dcf95bf85b1571aa64e3fe2sha256: e1acf05938172b3b458f9b5eb896bd34b337e52c411f413f3df6d2e34c7550b2sha512: 05dea253463dbd1c0c1e179ebf8c60c5ab97f4e6c309ab0e733fb33d397a82916e44cc34ec3eecafc16926b0f256c0c4462e48252677e7b25423876b627aa2a1ssdeep: 192:XxxnAdXaf748iskv09hcTuTVINt0SnYkPMM43aQU+vpDjljxEQVR:h12af7vih0/TVINt0uYOt+RlxEWtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T11162196137E88F15D6AE0BB11CB3524197F0E3538922DA8F4CD850AD5EB37848610FE7sha3_384: 69020617c09ee1b9fe328ac5e3c3352fd8022497548e565ba51cc85214d31536b2d31d6bba81430a67c65499eee1e959ep_bytes: ff250020400000000000000000000000timestamp: 2102-10-06 18:35:09

Version Info:

Translation: 0x0000 0x04b0Comments: CompanyName: FileDescription: ClientFileVersion: 1.0.0.0InternalName: stub.exeLegalCopyright: Copyright © 2021LegalTrademarks: OriginalFilename: stub.exeProductName: ClientProductVersion: 1.0.0.0Assembly Version: 1.0.0.0

Ursu.731 also known as:

Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop18.47324
MicroWorld-eScan Gen:Variant.Ursu.731
FireEye Generic.mg.12c8b8ac68cbc72d
ALYac Gen:Variant.Ursu.731
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 004931221 )
Alibaba Trojan:MSIL/Autorun.96306113
K7GW Trojan ( 004931221 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZemsilF.34062.am0@a0lHo9o
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Autorun.Spy.Agent.AU
TrendMicro-HouseCall TROJ_GEN.R002C0PK821
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Ursu.731
Avast Win32:Malware-gen
Tencent Win32.Trojan.Generic.Dygu
Ad-Aware Gen:Variant.Ursu.731
Emsisoft Gen:Variant.Ursu.731 (B)
TrendMicro TROJ_GEN.R002C0PK821
McAfee-GW-Edition RDN/Autorun.worm.gen
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious PE
GData Gen:Variant.Ursu.731
Avira TR/Dropper.Gen
MAX malware (ai score=87)
Arcabit Trojan.Ursu.731
ViRobot Trojan.Win32.Z.Ursu.15360.GO
Microsoft Backdoor:Win32/Bladabindi!ml
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.C4594592
McAfee RDN/Autorun.worm.gen
VBA32 TScope.Trojan.MSIL
Malwarebytes Trojan.Dropper
APEX Malicious
Yandex Trojan.Agent!pnc14pOjER8
Ikarus Worm.MSIL.Autorun
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Spy_Agent.AU!worm
AVG Win32:Malware-gen
Cybereason malicious.c68cbc
Panda Trj/GdSda.A

How to remove Ursu.731?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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