Categories: Backdoor

Should I remove “Backdoor:Win32/Vonost.A”?

The Backdoor:Win32/Vonost.A 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 Backdoor:Win32/Vonost.A virus can do?

  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine Backdoor:Win32/Vonost.A?


File Info:

name: DC825563B099898D35BE.mlwpath: /opt/CAPEv2/storage/binaries/9339d51983cef7f20e2fd3b5221624568225fcb2b1f82f99ee6be2160f39ba80crc32: 5E3802AEmd5: dc825563b099898d35bed3c1eb344038sha1: 87020ff0edc43b7708a5c5a75974365b66cf61c5sha256: 9339d51983cef7f20e2fd3b5221624568225fcb2b1f82f99ee6be2160f39ba80sha512: 57ec56a5961610c2214feebf1c36f5c04d9d68702238eab911f489f59ff78b4f450d38a548a7dbc405b869d6f545ad040d7d53e171a2fab8d46298cf1b630ae5ssdeep: 1536:sTQeF7f8hnZd9tpjgfnvGhsA3tuNADq8GvSowOO2FdN5KLv:skeFoh3FCehsAtu+sO2Fv5KLvtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1C8A35B10B5C6C172C046103548E6C7B29BB9BD356B78D9D3F7941B7A6F222C1BA3E349sha3_384: 705af178cf867464f0543213337a0e53b5ae4ef7c4efef76ca2481d50426f45ff277c58d6a745c1be6eafb7d8f3dd288ep_bytes: e8f9620000e978feffff6a0c68687241timestamp: 2012-03-19 11:40:20

Version Info:

FileDescription: 更新程序FileVersion: 1, 0, 0, 1InternalName: 更新程序LegalCopyright: 更新程序OriginalFilename: 更新程序ProductName: 更新程序ProductVersion: 1, 0, 0, 1Translation: 0x0804 0x04b0

Backdoor:Win32/Vonost.A also known as:

Lionic Trojan.Win32.Generic.4!c
tehtris Generic.Malware
MicroWorld-eScan Trojan.GenericKD.68680887
FireEye Generic.mg.dc825563b099898d
McAfee RDN/Generic BackDoor
Malwarebytes Malware.AI.1684732967
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00082cd81 )
Alibaba Backdoor:Win32/Vonost.2035135f
K7GW Trojan ( 00082cd81 )
BitDefenderTheta Gen:NN.ZexaF.36662.gq0@aWEbHiej
Symantec Backdoor.Trojan
ESET-NOD32 a variant of Win32/Agent.PIC
APEX Malicious
BitDefender Trojan.GenericKD.68680887
Avast Win32:MalwareX-gen [Trj]
Tencent Win32.Trojan.Agent.Dkjl
Sophos Mal/Generic-S
F-Secure Trojan.TR/Agent.pfspw
DrWeb DLOADER.Trojan
VIPRE Trojan.GenericKD.68680887
TrendMicro TROJ_GEN.R002C0DHH23
McAfee-GW-Edition RDN/Generic BackDoor
Emsisoft Trojan.GenericKD.68680887 (B)
GData Trojan.GenericKD.68680887
Webroot W32.Malware.Gen
Avira TR/Agent.pfspw
Antiy-AVL Trojan[Backdoor]/Win32.Vonost
Arcabit Trojan.Generic.D417FCB7
Microsoft Backdoor:Win32/Vonost.A
Cynet Malicious (score: 99)
VBA32 suspected of Trojan.Downloader.gen
ALYac Trojan.GenericKD.68680887
MAX malware (ai score=88)
Cylance unsafe
Panda Trj/Chgt.AD
TrendMicro-HouseCall TROJ_GEN.R002C0DHH23
Rising Backdoor.Vonost!1.6476 (CLASSIC)
MaxSecure Trojan.Malware.215845432.susgen
Fortinet W32/Agent.QSJ!tr
AVG Win32:MalwareX-gen [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Backdoor:Win32/Vonost.A?

  • 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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