Categories: Malware

VirTool:Win32/Obfuscator.NZ malicious file

The VirTool:Win32/Obfuscator.NZ 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 VirTool:Win32/Obfuscator.NZ virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Anomalous binary characteristics
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine VirTool:Win32/Obfuscator.NZ?


File Info:

name: C94CF67F2977E861E02C.mlwpath: /opt/CAPEv2/storage/binaries/9e1c82dc1efe851f36163299a68467627361c12230e5505c2108062bede03ca4crc32: 0F77F60Emd5: c94cf67f2977e861e02cf42a007c8ebcsha1: d4e6b73766667ffde48bc90e9eeb8a5fe46b5601sha256: 9e1c82dc1efe851f36163299a68467627361c12230e5505c2108062bede03ca4sha512: e1dfdae4a64511748c70edf1bde30100e2d6fd4552fc407124db3ed8a1d49f0613f207a4ddfb483b7f28aaab3fce47b8640eefae43d9c01dcd05af7cc47ccf19ssdeep: 6144:uP2bvKyCPkpBYR/z1Oo0nU1gjnKMoH+7MksPH9mgFrSJH:uP2bvO8PE/Ao0nt+g7nsFmgFEtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1E764BD81FF118A22C1D078B450FAFF5036EA11D0FE98A622175942B7DA775E097372FAsha3_384: 6dbca933be9f1405051df958a6ba094c8ca89f8f3aff6797dcdeb999eeb37cd7bc275c1a568dd00a6acb09a1e62757e6ep_bytes: e8f82a0000e978feffff8bff558bec81timestamp: 2010-10-22 09:12:17

Version Info:

0: [No Data]

VirTool:Win32/Obfuscator.NZ also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Generic.m9gf
DrWeb Trojan.Packed.21888
MicroWorld-eScan Gen:Variant.Dropper.41
ClamAV Win.Trojan.Agent-314032
FireEye Generic.mg.c94cf67f2977e861
Skyhigh GenericR-HJI!C94CF67F2977
McAfee GenericR-HJI!C94CF67F2977
Malwarebytes Generic.Malware.AI.DDS
Zillya Trojan.Agent.Win32.119962
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba VirTool:Win32/Obfuscator.badef865
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
BitDefenderTheta Gen:NN.ZexaF.36680.tuZ@aKmalEgi
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 Win32/TrojanDropper.Agent.PAY.Gen
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Dropper.41
NANO-Antivirus Trojan.Win32.MLW.eecxp
Avast Win32:DropperX-gen [Drp]
Tencent Malware.Win32.Gencirc.10b10a3b
Emsisoft Gen:Variant.Dropper.41 (B)
F-Secure Trojan:W32/Agent.DQGR
Baidu Win32.Trojan-Dropper.Generic.h
VIPRE Gen:Variant.Dropper.41
Sophos Mal/Agent-AAM
SentinelOne Static AI – Suspicious PE
GData Win32.Trojan.PSE1.KFDI4A
Jiangmin Trojan/Generic.bswt
Webroot W32.Dropper.Agent
Google Detected
Avira TR/Drop.Haed.A
Antiy-AVL Trojan[Dropper]/Win32.Haed
Kingsoft Win32.Trojan.Generic.a
Xcitium TrojWare.Win32.TrojanDropper.Haed.A@3oqw6l
Arcabit Trojan.Dropper.41
ViRobot Dropper.Haed.Gen.A
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft VirTool:Win32/Obfuscator.NZ
Varist W32/Dropper.AG.gen!Eldorado
AhnLab-V3 Trojan/Win32.Agent.R5847
VBA32 Trojan.Packed
ALYac Gen:Variant.Dropper.41
MAX malware (ai score=100)
Cylance unsafe
Panda Trj/CI.A
Rising Dropper.Win32.Undef.cah (CLASSIC)
Yandex Trojan.GenAsa!GU0jLrgpNEI
Ikarus Trojan-Downloader.Win32.Frethog
MaxSecure Trojan.Malware.2588.susgen
Fortinet W32/Agent.PAY!tr
AVG Win32:DropperX-gen [Drp]
Cybereason malicious.766667
DeepInstinct MALICIOUS

How to remove VirTool:Win32/Obfuscator.NZ?

  • 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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