Malware

What is “Ursu.891904”?

Malware Removal

The Ursu.891904 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.891904 virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • At least one process apparently crashed during execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Dynamic (imported) function loading detected
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine Ursu.891904?


File Info:

name: F556E064A0CD5E41E410.mlw
path: /opt/CAPEv2/storage/binaries/da6200ed37765d1ee9c5f35cfa6e50d2b7afc488e5ddb8772ed7e7f58614ab84
crc32: 8781DA0A
md5: f556e064a0cd5e41e410ae0bd1ad0299
sha1: 7e07034188d05b3f24d5aef9a75ed669c98ef3a3
sha256: da6200ed37765d1ee9c5f35cfa6e50d2b7afc488e5ddb8772ed7e7f58614ab84
sha512: 0f8fa6ebb6581f5736938ad72fdf4fd19830041bf90f738e2e9a062e7e9a4844c232e1d3e16e1c04a64e67d573a16955f3b16a775cbc7dd726718fc2920aa270
ssdeep: 6144:wBgNuKfSamsU4TDm6TPoYesj0gERajj45uoyZSXyECWBIwJ:PuKfSqBTDr1esj0FRNGOBd
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T10BA47C01BAF1C1B6C25601B01E63D67AB675AE54873A5BD373C43F1E5E326C2AC3A342
sha3_384: f435b595c9ee0eb440417a1e6bad39a5177f84afee0fd951db09d2db75da756c53c3dbafd9d43e11d48686faea848a72
ep_bytes: 6a6068b0164500e852060000bf940000
timestamp: 2010-04-15 02:13:49

Version Info:

CompanyName: TODO:
FileDescription: TODO:
FileVersion: 1.0.0.1
InternalName: d3demo.exe
LegalCopyright: TODO: (C) 。保留所有权利。
OriginalFilename: d3demo.exe
ProductName: TODO:
ProductVersion: 1.0.0.1

Ursu.891904 also known as:

BkavW32.AIDetect.malware2
MicroWorld-eScanGen:Variant.Ursu.891904
FireEyeGeneric.mg.f556e064a0cd5e41
CAT-QuickHealWin95.SK
ALYacGen:Variant.Ursu.888761
CylanceUnsafe
VIPREGen:Variant.Ursu.888761
Sangfor[ARMADILLO V1.71]
K7AntiVirusTrojan ( 0057f6c71 )
K7GWTrojan ( 0057f6c71 )
Cybereasonmalicious.4a0cd5
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Patched.IW
APEXMalicious
KasperskyHEUR:Exploit.Win32.ShellCode.vho
BitDefenderGen:Variant.Ursu.891904
AvastWin32:Malware-gen
Ad-AwareGen:Variant.Ursu.891904
SophosML/PE-A + Troj/Patched-BS
ComodoTrojWare.Win32.Bitrep.IW@7mfe0x
F-SecureTrojan.TR/Patched.Gen
McAfee-GW-EditionBehavesLike.Win32.BadFile.gh
EmsisoftGen:Variant.Ursu.891904 (B)
SentinelOneStatic AI – Malicious PE
GDataGen:Variant.Ursu.891904
AviraTR/Patched.Gen
MAXmalware (ai score=88)
Antiy-AVLTrojan/Generic.ASMalwS.1F6B
ArcabitTrojan.Ursu.DD8FB9
ZoneAlarmHEUR:Exploit.Win32.ShellCode.vho
MicrosoftTrojan:Win32/Wacatac.B!ml
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win.Generic.C5213329
Acronissuspicious
McAfeeArtemis!F556E064A0CD
MalwarebytesMalware.Heuristic.1001
RisingTrojan.Generic@AI.80 (RDML:zn26RLNO4tnJNZQJn0HPXQ)
FortinetW32/Patched.IW!tr
BitDefenderThetaGen:NN.ZexaF.34806.CO0@aKtm5Klb
AVGWin32:Malware-gen
CrowdStrikewin/malicious_confidence_90% (D)

How to remove Ursu.891904?

Ursu.891904 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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