Trojan

Should I remove “Trojan.Win32.Vobfus.nkn”?

Malware Removal

The Trojan.Win32.Vobfus.nkn 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 Trojan.Win32.Vobfus.nkn 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)
  • Attempts to disable Windows Auto Updates
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Trojan.Win32.Vobfus.nkn?


File Info:

name: 9583DA6A11C56D21E861.mlw
path: /opt/CAPEv2/storage/binaries/cd2a53951d1fd6a0bc2c39493a9806479089c8207f7dfdc48df19bf7b911fb54
crc32: 64FFECCC
md5: 9583da6a11c56d21e8612b6a646d93d0
sha1: 361043843598321866f53fd512868bc6cf440e7e
sha256: cd2a53951d1fd6a0bc2c39493a9806479089c8207f7dfdc48df19bf7b911fb54
sha512: 601141996b955271eaf4679fbd906677d2a64f0334aa0b9e8a6616d795f9c8a9331408a3be472cde80bac81e483a60299bf688cfdebc74f5513cd64895e3125d
ssdeep: 3072:/SYyjLkn4aBeboiqIQ7Dq7E0zQLQQAEOJ:/v4aB87qIAq7E0zQLzAE
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1BDD3C53BBB484855C95C61782AF7C7E61263F8199A078367225437AE2CA3F541D3CB4F
sha3_384: 22f82b5200e56d244142f3ddf8e1ca6ce4ce27b8a460008808bfb369a504c32940a2fd7b118092c835f370ca13e86375
ep_bytes: 68d8124000e8eeffffff000000000000
timestamp: 2012-09-07 21:38:40

Version Info:

Translation: 0x0409 0x04b0
ProductName: aleochara
FileVersion: 1.21
ProductVersion: 1.21
InternalName: blameless
OriginalFilename: blameless.exe

Trojan.Win32.Vobfus.nkn also known as:

BkavW32.AIDetectMalware
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Barys.950
ClamAVWin.Trojan.Changeup-6169544-0
CAT-QuickHealTrojan.Beebone.D
McAfeeGenDownloader.rv
Cylanceunsafe
SangforSuspicious.Win32.Save.vb
K7AntiVirusEmailWorm ( 0054d10f1 )
K7GWEmailWorm ( 0054d10f1 )
Cybereasonmalicious.a11c56
BitDefenderThetaGen:NN.ZevbaF.36250.im0@aOy98!gi
VirITTrojan.Win32.Vobfus.NGP
CyrenW32/Vobfus.AQ.gen!Eldorado
SymantecW32.Changeup!gen20
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/Pronny.DQ
APEXMalicious
CynetMalicious (score: 100)
KasperskyTrojan.Win32.Vobfus.nkn
BitDefenderGen:Variant.Barys.950
NANO-AntivirusTrojan.Win32.Vobfus.csfhgp
SUPERAntiSpywareTrojan.Agent/Gen-Vobfus
AvastWin32:VB-AEKO [Trj]
TencentWorm.Win32.Vobfus.q
TACHYONTrojan/W32.VB-Vobfus.131072
EmsisoftGen:Variant.Barys.950 (B)
BaiduWin32.Worm.Pronny.ek
F-SecureTrojan.TR/Barys.A.950
DrWebWin32.HLLW.Autoruner1.25602
VIPREGen:Variant.Barys.950
TrendMicroWORM_VOBFUS.SM02
McAfee-GW-EditionBehavesLike.Win32.VBObfus.ct
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.9583da6a11c56d21
SophosMal/SillyFDC-Y
SentinelOneStatic AI – Malicious PE
GDataGen:Variant.Barys.950
JiangminTrojan/Vbobf.b
AviraTR/Barys.A.950
Antiy-AVLWorm/Win32.WBNA.gen
XcitiumWorm.Win32.Pronny.ABQ@4puwz1
ArcabitTrojan.Barys.950
ZoneAlarmTrojan.Win32.Vobfus.nkn
MicrosoftWorm:Win32/Vobfus.HR
GoogleDetected
AhnLab-V3Trojan/Win32.Jorik.R35539
VBA32Worm.VBNA
ALYacGen:Variant.Barys.950
MAXmalware (ai score=88)
MalwarebytesMalware.AI.4018306249
PandaTrj/Genetic.gen
TrendMicro-HouseCallWORM_VOBFUS.SM02
RisingWorm.VobfusEx!1.99DF (CLASSIC)
YandexTrojan.GenAsa!UE+Poba9A1w
IkarusTrojan-Downloader.Win32.Beebone
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/VBObfus.AU!tr
AVGWin32:VB-AEKO [Trj]
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Trojan.Win32.Vobfus.nkn?

Trojan.Win32.Vobfus.nkn 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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