Categories: Malware

Win32:Zbot-OJB [Trj] removal instruction

The Win32:Zbot-OJB [Trj] 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 Win32:Zbot-OJB [Trj] virus can do?

  • Sample contains Overlay data
  • Authenticode signature is invalid

How to determine Win32:Zbot-OJB [Trj]?


File Info:

name: 785FABDE73A07B851DC9.mlwpath: /opt/CAPEv2/storage/binaries/86f21e46e7e56bb6c557a4fea0428ec5422642f243f2ab69fc8fba73238ba3b7crc32: 3EA71C4Fmd5: 785fabde73a07b851dc98b3f37c60369sha1: 0ac878a431be09d121efa3f8cc2ac8cf59c87c75sha256: 86f21e46e7e56bb6c557a4fea0428ec5422642f243f2ab69fc8fba73238ba3b7sha512: 04d5ac2ae75cf9b4229bc5c36a4e34b4ec67c3dc742fdb3ec0a1705374e5e4432f370260d32d97480041d1be19624038206d06f6ddfa4807593b17dcf55ccf7bssdeep: 12288:AX/ajNHtrm/QeN/7YkrWBfWhvRhQU+P6ppgg2HFZlxI92XH0pg4:AX/ajNHhm/QeN/7DSBfWhYqmTI96H0m4type: PE32 executable (console) Intel 80386, for MS Windowstlsh: T13A05180273E94026F5F33A7059B5A2705A7BBC616D39C64E62C8B90E2FB3E40DD21767sha3_384: 9a5a37f427b155479a8684ceb87f5cc0d4dd2bb19fa13db092b1db4a4bc26999af256c7532957e95e53436f57163388cep_bytes: 6a2868606c4000e87502000033ff57fftimestamp: 2006-11-29 09:25:22

Version Info:

CompanyName: Sun Microsystems, Inc.FileDescription: Java(TM) Platform SE binaryFileVersion: 6.0.0.105Full Version: 1.6.0-b105InternalName: pack200LegalCopyright: Copyright © 2004OriginalFilename: pack200.exeProductName: Java(TM) Platform SE 6ProductVersion: 6.0.0.105Translation: 0x0000 0x04b0

Win32:Zbot-OJB [Trj] also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.50053259
ClamAV Win.Trojan.Spammy-1
FireEye Generic.mg.785fabde73a07b85
CAT-QuickHeal Trojan.Quolko.A
McAfee Artemis!785FABDE73A0
Cylance Unsafe
VIPRE Trojan.GenericKD.50053259
Sangfor Suspicious.Win32.Save.ins
Cybereason malicious.e73a07
Cyren W32/Ramnit.H.gen!Eldorado
Symantec Trojan.ADH
tehtris Generic.Malware
ESET-NOD32 a variant of Win32/Ramnit.Z
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Backdoor.Win32.Spammy.por
BitDefender Trojan.GenericKD.50053259
NANO-Antivirus Trojan.Win32.Spammy.cstqfi
Avast Win32:Zbot-OJB [Trj]
Ad-Aware Trojan.GenericKD.50053259
Emsisoft Trojan.GenericKD.50053259 (B)
Comodo Backdoor.Win32.Spammy.GFF@37eb84
DrWeb Trojan.MulDrop3.61
Zillya Backdoor.Spammy.Win32.1067
McAfee-GW-Edition BehavesLike.Win32.Downloader.bm
Sophos Generic ML PUA (PUA)
SentinelOne Static AI – Suspicious PE
GData Trojan.GenericKD.50053259
Avira TR/Patched.Ren.Gen
MAX malware (ai score=87)
Microsoft Trojan:Win32/Ditertag.A
Google Detected
AhnLab-V3 Backdoor/Win32.Spammy.C225669
BitDefenderTheta AI:Packer.2C7EA1441E
ALYac Trojan.GenericKD.50053259
VBA32 Malware-Cryptor.Win32.General.4
Malwarebytes Malware.AI.3951108544
Rising Trojan.Win32.Generic.168956D5 (C64:YzY0Os+74lQkfFeK)
Ikarus Virus.Win32.Ramnit
MaxSecure Backdoor.W32.Spammy.gf
Fortinet W64/Agent.4624!tr
AVG Win32:Zbot-OJB [Trj]
CrowdStrike win/malicious_confidence_70% (W)

How to remove Win32:Zbot-OJB [Trj]?

  • 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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