Categories: Malware

How to remove “VirTool:Win32/Obfuscator.NI”?

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

  • Behavioural detection: Executable code extraction – unpacking
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • CAPE detected the embedded pe malware family
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara detections observed in process dumps, payloads or dropped files

How to determine VirTool:Win32/Obfuscator.NI?


File Info:

name: 6CE03E03B93C343554FB.mlwpath: /opt/CAPEv2/storage/binaries/1ccd0c553a790636191a2b3fe7390a9dccf56af74ae0132f164c3c1533719294crc32: 4B9452F7md5: 6ce03e03b93c343554fb60a5ae057075sha1: 3ed0d585811e5053a7e79822ce0fd499a1e0f72bsha256: 1ccd0c553a790636191a2b3fe7390a9dccf56af74ae0132f164c3c1533719294sha512: 8a5915618f21bfb884d087bcaebc0cde3d85adb7115dcf68002080c0b561bf406811417f34882d58291a65d832cfad87d3e0d2037aa8f941fa64aed6d6182e15ssdeep: 768:bVes2dMw8rorfnmKUMLZNDn/QlgmFIkCd+hNFIktcM9ea5PnOYn6zykNspK6D8LZ:bks4hANDnVJbBvmO0NMm9iCXOjD5Retype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10753B62B734A182ADB18A2397267C7EB19D3748E4B4F1A832778637EDD64F002C15B57sha3_384: 7f741d36ddae4ff30618a4a202fb3acd5091ec6f6d81234d969e643676da5ad1e9078da408c797f184fc2de6a7aa8413ep_bytes: 68b0114000e8eeffffff000000000000timestamp: 2010-12-25 14:15:51

Version Info:

Translation: 0x0409 0x04b0ProductName: 8765VBRUNFileVersion: 1.94ProductVersion: 1.94InternalName: ppQWD9998OriginalFilename: ppQWD9998.exe

VirTool:Win32/Obfuscator.NI also known as:

Bkav W32.AIDetectMalware
Lionic Worm.Win32.VBNA.li7E
tehtris Generic.Malware
MicroWorld-eScan Gen:Variant.Symmi.719
FireEye Generic.mg.6ce03e03b93c3435
CAT-QuickHeal Worm.VBNA.gen
Skyhigh BehavesLike.Win32.VBObfus.kt
McAfee Downloader-CJX.gen.o
Cylance unsafe
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus Trojan ( 001e96331 )
Alibaba Worm:Win32/vobfus.1030
K7GW Trojan ( 001e96331 )
Cybereason malicious.3b93c3
Arcabit Trojan.Symmi.719
Baidu Win32.Worm.AutoRun.cj
VirIT Trojan.Win32.Shiru.AY
Symantec W32.Changeup!gen10
Elastic malicious (high confidence)
ESET-NOD32 Win32/AutoRun.VB.XY
APEX Malicious
ClamAV Win.Malware.Vobfus-9806879-0
Kaspersky Worm.Win32.VBNA.brml
BitDefender Gen:Variant.Symmi.719
NANO-Antivirus Trojan.Win32.VBKrypt.cmxska
ViRobot Worm.Win32.A.VBNA.61440.DC
Avast Win32:AutoRun-BSJ [Trj]
Tencent Worm.Win32.VBNA.hd
TACHYON Trojan/W32.VB-VBKrypt.61440.D
Sophos Mal/SillyFDC-I
F-Secure Trojan:W32/Vbkrypt.D
DrWeb Trojan.MulDrop4.51964
VIPRE Gen:Variant.Symmi.719
TrendMicro WORM_VOBFUS.SMIA
Trapmine malicious.moderate.ml.score
Emsisoft Gen:Variant.Symmi.719 (B)
Ikarus Trojan-Dropper
Jiangmin Worm/VBNA.gxxv
Google Detected
Avira TR/Dropper.Gen
Varist W32/VB.BT.gen!Eldorado
Antiy-AVL Worm/Win32.WBNA.gen
Kingsoft malware.kb.a.999
Xcitium TrojWare.Win32.VB.X@2i170u
Microsoft VirTool:Win32/Obfuscator.NI
ZoneAlarm Worm.Win32.VBNA.brml
GData Gen:Variant.Symmi.719
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.VB.R2205
VBA32 SScope.Trojan.VBRA.2842
ALYac Gen:Variant.Symmi.719
MAX malware (ai score=86)
Malwarebytes Generic.Malware.AI.DDS
Panda Generic Malware
TrendMicro-HouseCall WORM_VOBFUS.SMIA
Rising Worm.Autorun!1.99E9 (CLASSIC)
Yandex Trojan.VBKrypt.Gen.8
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VBKrypt.AGW!tr
BitDefenderTheta AI:Packer.E5B86E9320
AVG Win32:AutoRun-BSJ [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)
alibabacloud Worm:Win/Vobfus.555452b9

How to remove VirTool:Win32/Obfuscator.NI?

  • 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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