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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.

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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.mlw
path: /opt/CAPEv2/storage/binaries/e1acf05938172b3b458f9b5eb896bd34b337e52c411f413f3df6d2e34c7550b2
crc32: 190F758A
md5: 12c8b8ac68cbc72d2591fd0711b0ce34
sha1: 6cd8501fb52bc6f11dcf95bf85b1571aa64e3fe2
sha256: e1acf05938172b3b458f9b5eb896bd34b337e52c411f413f3df6d2e34c7550b2
sha512: 05dea253463dbd1c0c1e179ebf8c60c5ab97f4e6c309ab0e733fb33d397a82916e44cc34ec3eecafc16926b0f256c0c4462e48252677e7b25423876b627aa2a1
ssdeep: 192:XxxnAdXaf748iskv09hcTuTVINt0SnYkPMM43aQU+vpDjljxEQVR:h12af7vih0/TVINt0uYOt+RlxEW
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T11162196137E88F15D6AE0BB11CB3524197F0E3538922DA8F4CD850AD5EB37848610FE7
sha3_384: 69020617c09ee1b9fe328ac5e3c3352fd8022497548e565ba51cc85214d31536b2d31d6bba81430a67c65499eee1e959
ep_bytes: ff250020400000000000000000000000
timestamp: 2102-10-06 18:35:09

Version Info:
Translation: 0x0000 0x04b0
Comments: 
CompanyName: 
FileDescription: Client
FileVersion: 1.0.0.0
InternalName: stub.exe
LegalCopyright: Copyright ©  2021
LegalTrademarks: 
OriginalFilename: stub.exe
ProductName: Client
ProductVersion: 1.0.0.0
Assembly 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?

Ursu.731 removal tool

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.

About the author

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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