Categories: Trojan

How to remove “Trojan:Win32/Zenpak.JS!MTB”?

The Trojan:Win32/Zenpak.JS!MTB 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/Zenpak.JS!MTB virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Enumerates services, possibly for anti-virtualization
  • Installs itself for autorun at Windows startup
  • Installs itself for autorun at Windows startup
  • CAPE detected the Tofsee malware family
  • Deletes executed files from disk
  • Created a service that was not started
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Trojan:Win32/Zenpak.JS!MTB?


File Info:

name: A907F9D3D904A39AE3AA.mlwpath: /opt/CAPEv2/storage/binaries/accdce3d99448e3222f5d3d26c2965d9c4cebef1e970c163767599270266c2d5crc32: 83A0470Amd5: a907f9d3d904a39ae3aa0687ca48c4cbsha1: 2cd4d72488c954d752d9ad429def4fe2e15400a9sha256: accdce3d99448e3222f5d3d26c2965d9c4cebef1e970c163767599270266c2d5sha512: 84709a2f878ea51932e586864a187687def53c7f25b1b6566405f80fdc5da24e127d790f12812ace8897d24af65876d4f91845f5543d67c47f82e3c25f063c75ssdeep: 24576:yKcprYFigckkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkks:ydaFigtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T100D65B3289518AB1E8B010BC37BC7F1A8BFFF77191250A3BD96528E899574871ED6343sha3_384: c2a1c924373228cb5d1e16d6d9903c2cd8c480d958c7db6fca82c21a16d1876b9919d611c6c2678bee260258681a9415ep_bytes: e827920000e989feffff8bff558bec8btimestamp: 2019-02-12 19:43:54

Version Info:

FileVersion: 88.0.0.74ProductVersion: 88.0.0.74InternalName: panefivakuluxaso.exeLegalCopyright: Bahususo yiletal cuhukole. NetudTranslation: 0x0409 0x04e4

Trojan:Win32/Zenpak.JS!MTB also known as:

Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Brsecmon.1
FireEye Generic.mg.a907f9d3d904a39a
McAfee GenericRXAA-AA!A907F9D3D904
Cylance Unsafe
VIPRE Trojan.Brsecmon.1
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00555c571 )
Alibaba Backdoor:Win32/Tofsee.8fd3b07c
K7GW Trojan ( 00555c571 )
CrowdStrike win/malicious_confidence_100% (W)
Cyren W32/CeeInject.AB.gen!Eldorado
Symantec Packed.Generic.525
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Kryptik.GVKO
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Brsecmon.1
NANO-Antivirus Trojan.Win32.LovGate.fvwlcp
Avast Win32:PWSX-gen [Trj]
Tencent Malware.Win32.Gencirc.10b9ffc9
Ad-Aware Trojan.Brsecmon.1
Emsisoft Trojan.Crypt (A)
Comodo TrojWare.Win32.DefenseEvasion.A@8ghpv1
Zillya Trojan.Kryptik.Win32.1694420
TrendMicro Trojan.Win32.SODINOK.SM.hp
McAfee-GW-Edition BehavesLike.Win32.Trojan.tz
Trapmine malicious.high.ml.score
Sophos Mal/Generic-S + Mal/GandCrab-G
SentinelOne Static AI – Malicious PE
GData Trojan.Brsecmon.1
Jiangmin Backdoor.Tofsee.azi
Avira HEUR/AGEN.1224173
MAX malware (ai score=81)
Antiy-AVL Trojan/Generic.ASMalwS.769
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Trojan:Win32/Zenpak.JS!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/MalPe24.Suspicious.X2009
VBA32 BScope.Trojan.Wacatac
ALYac Trojan.Brsecmon.1
Malwarebytes Trojan.MalPack.GS
TrendMicro-HouseCall Trojan.Win32.SODINOK.SM.hp
Rising Trojan.Kryptik!1.BB2F (CLASSIC)
Ikarus Trojan.Crypt.Agent
MaxSecure Trojan.Malware.74544500.susgen
Fortinet W32/GenKryptik.DQHN!tr
BitDefenderTheta Gen:NN.ZexaF.34806.@x0@aSPoCkp
AVG Win32:PWSX-gen [Trj]
Cybereason malicious.3d904a
Panda Trj/GdSda.A

How to remove Trojan:Win32/Zenpak.JS!MTB?

  • 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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