Categories: Trojan

About “Trojan.Win32.VB.zos” infection

The Trojan.Win32.VB.zos 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.VB.zos 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)
  • 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.VB.zos?


File Info:

name: 7F277C4C522608052AAA.mlwpath: /opt/CAPEv2/storage/binaries/9ef4b9d01ed498e06854f11d0c05ddf451e72a88e9d6b7d18c7bb334dda4659ccrc32: 3C4B35A0md5: 7f277c4c522608052aaa3153a89c689esha1: a1c24f8b283f3de6bd6978aa8b73241b3f941390sha256: 9ef4b9d01ed498e06854f11d0c05ddf451e72a88e9d6b7d18c7bb334dda4659csha512: f83a2ebac264aeeb7255f13d19b5d6bc200435bc86c0856d4ffbc15ad87f4512d491a9f2ebef50935a57121d10597e4c0e696a46741791b6004b781ba3c2df63ssdeep: 768:N6mui61fSyZka9XzY+Y7qDpGjW7/U/jSXuHQilKPMPC4VqrMZWXArffTeffUW7Ei:Ny7OszkqDUWb0jOYC4VqrMZWXAWAddItype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T11F73E73A7FC79407D158423B374BCAD22117694CAF078187A68C7FBF8D21D660A6B267sha3_384: 631904fb0602857f36965660c15976b5e0b71ac84ec355380c7210a84d5719c3685ada5b60882c2b8415e21d74d3dfafep_bytes: 68e8124000e8f0ffffff000000000000timestamp: 2009-12-03 10:06:10

Version Info:

Translation: 0x0409 0x04b0CompanyName: FWWPjSdrProductName: FWWPjSdrFileVersion: 6.81ProductVersion: 6.81InternalName: FWWPjSdrOriginalFilename: FWWPjSdr.exe

Trojan.Win32.VB.zos also known as:

Bkav W32.AIDetectMalware
Lionic Worm.Win32.VBNA.lmeS
tehtris Generic.Malware
MicroWorld-eScan Gen:Trojan.Chinky.2
ClamAV Win.Worm.Vobus-9752568-1
FireEye Generic.mg.7f277c4c52260805
CAT-QuickHeal Trojan.Vobfus.gen
ALYac Gen:Trojan.Chinky.2
Cylance unsafe
Zillya Trojan.VB.Win32.1027632
Sangfor Suspicious.Win32.Save.vb
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Malware:Win32/km_2f59.None
K7GW NetWorm ( 700000151 )
K7AntiVirus NetWorm ( 700000151 )
Arcabit Trojan.Chinky.2
Baidu Win32.Worm.Autorun.z
VirIT Trojan.Win32.VB.ZOS
Cyren W32/Vobfus.D.gen!Eldorado
Symantec W32.Changeup
Elastic malicious (high confidence)
ESET-NOD32 Win32/AutoRun.VB.IH
Zoner Trojan.Win32.138281
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Trojan.Win32.VB.zos
BitDefender Gen:Trojan.Chinky.2
NANO-Antivirus Trojan.Win32.VB.crkzol
SUPERAntiSpyware Trojan.Agent/Gen-VB[Same7]
Avast Win32:VB-NYI [Trj]
Tencent Worm.Win32.Vb.zc
TACHYON Trojan/W32.Agent.73728
Sophos W32/VBNam-B
F-Secure Trojan:W32/Hutpic.gen!A
DrWeb Trojan.Siggen.33033
VIPRE Gen:Trojan.Chinky.2
TrendMicro WORM_VBNA.SM
McAfee-GW-Edition BehavesLike.Win32.VBObfus.lm
Trapmine malicious.moderate.ml.score
Emsisoft Gen:Trojan.Chinky.2 (B)
SentinelOne Static AI – Malicious PE
Avira TR/VB.Chinky.b
Antiy-AVL GrayWare[AutoRun]/Win32.VB
Xcitium Worm.Win32.Autorun.VB_IH0@1isjd8
Microsoft Worm:Win32/Vobfus.F
ZoneAlarm Trojan.Win32.VB.zos
GData Gen:Trojan.Chinky.2
Google Detected
AhnLab-V3 Win32/Vbna4.worm.Gen
McAfee Generic VB.bv
MAX malware (ai score=89)
VBA32 TScope.Trojan.VB
Malwarebytes Generic.Malware.AI.DDS
Panda W32/Vobfus.CP.worm
TrendMicro-HouseCall WORM_VBNA.SM
Rising Trojan.Autorun!1.DA78 (CLASSIC)
Yandex Trojan.GenAsa!TUauzW3HpAM
Ikarus Virus.Worm
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/VBObfus.BDBD!tr
BitDefenderTheta AI:Packer.5AE577C120
AVG Win32:VB-NYI [Trj]
DeepInstinct MALICIOUS

How to remove Trojan.Win32.VB.zos?

  • 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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