Malware

What is “Ursu.81912”?

Malware Removal

The Ursu.81912 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.81912 virus can do?

  • Creates RWX memory
  • The binary likely contains encrypted or compressed data.
  • The executable is likely packed with VMProtect
  • Tries to suspend Cuckoo threads to prevent logging of malicious activity
  • Network activity detected but not expressed in API logs

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Ursu.81912?


File Info:

crc32: A83506D7
md5: b05b918e40f63cb123b645cd691514c0
name: B05B918E40F63CB123B645CD691514C0.mlw
sha1: 7dfff4c5b229194cd11b383fece008def22de0a6
sha256: deadea9b11ab9fe125907fe3a120e8e843f0d87cf5bcff9a4df740e6cc4dceda
sha512: cdcb0c4a3f224a9b8e218c35c795109d65770920d696b99b61354ac75c892fb8970bee3b0d1188ecaa5ec1a0ebfb1acd03c41f5362022ad658ee01d2a0996111
ssdeep: 12288:W0LKNrBLtiLasaQ8vlXSn0rHKh5WxIPieFEJk8cGf0PNY024p8rJiAyV:INryLFWW0rU5WmPieFocNPNYw+2
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2005-2017 Piriform Ltd
InternalName: ccleaner
FileVersion: 5.38.99.6357
CompanyName: Piriform Ltd
SpecialBuild: Compile_2017_1128_180923
Comments: CCleaner
ProductName: CCleaner
ProductVersion: 5.38.99.6357
FileDescription: CCleaner
OriginalFilename: ccleaner.exe
Translation: 0x0409 0x04b0

Ursu.81912 also known as:

BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0056e6871 )
LionicTrojan.Win32.Blocker.4!c
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop8.22787
CynetMalicious (score: 100)
ALYacGen:Variant.Ursu.81912
CylanceUnsafe
SangforSuspicious.Win32.Cassini_ade36583.ibt
CrowdStrikewin/malicious_confidence_80% (D)
AlibabaRansom:Win32/Blocker.916a5b7a
K7GWTrojan ( 0056e6871 )
Cybereasonmalicious.e40f63
SymantecTrojan Horse
ESET-NOD32a variant of Win32/TrojanDropper.Small.NPY
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Blocker.krcc
BitDefenderGen:Variant.Ursu.81912
NANO-AntivirusTrojan.Win32.GenKryptik.expfsc
MicroWorld-eScanGen:Variant.Ursu.81912
TencentWin32.Trojan.Blocker.Pcil
Ad-AwareGen:Variant.Ursu.81912
SophosMal/Generic-S
ComodoTrojWare.Win32.Ransom.Xorist.ET@4mg4hg
BitDefenderThetaGen:NN.ZexaF.34170.Sy0@aevzR3i
VIPREDetect.Trojan.Win32.Small.nmm (v)
McAfee-GW-EditionBehavesLike.Win32.Generic.bc
FireEyeGeneric.mg.b05b918e40f63cb1
EmsisoftGen:Variant.Ursu.81912 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1110164
eGambitUnsafe.AI_Score_99%
Antiy-AVLTrojan/Generic.ASMalwS.245AB36
MicrosoftTrojan:Win32/Tnega!ml
ArcabitTrojan.Ursu.D13FF8
GDataGen:Variant.Ursu.81912
AhnLab-V3Malware/Win32.RL_Generic.R264180
Acronissuspicious
McAfeeGeneric.czo
MAXmalware (ai score=95)
VBA32BScope.Backdoor.Poison
PandaTrj/CI.A
RisingTrojan.Generic@ML.99 (RDML:rzxAXH9/vlbnWlIZ9HMREQ)
YandexTrojan.Blocker!EEhJeBakf4s
IkarusTrojan-Dropper.Win32.Small
FortinetW32/Small.NPY!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Ursu.81912?

Ursu.81912 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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