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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.

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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.mlw
path: /opt/CAPEv2/storage/binaries/9339d51983cef7f20e2fd3b5221624568225fcb2b1f82f99ee6be2160f39ba80
crc32: 5E3802AE
md5: dc825563b099898d35bed3c1eb344038
sha1: 87020ff0edc43b7708a5c5a75974365b66cf61c5
sha256: 9339d51983cef7f20e2fd3b5221624568225fcb2b1f82f99ee6be2160f39ba80
sha512: 57ec56a5961610c2214feebf1c36f5c04d9d68702238eab911f489f59ff78b4f450d38a548a7dbc405b869d6f545ad040d7d53e171a2fab8d46298cf1b630ae5
ssdeep: 1536:sTQeF7f8hnZd9tpjgfnvGhsA3tuNADq8GvSowOO2FdN5KLv:skeFoh3FCehsAtu+sO2Fv5KLv
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1C8A35B10B5C6C172C046103548E6C7B29BB9BD356B78D9D3F7941B7A6F222C1BA3E349
sha3_384: 705af178cf867464f0543213337a0e53b5ae4ef7c4efef76ca2481d50426f45ff277c58d6a745c1be6eafb7d8f3dd288
ep_bytes: e8f9620000e978feffff6a0c68687241
timestamp: 2012-03-19 11:40:20

Version Info:
FileDescription: 更新程序
FileVersion: 1, 0, 0, 1
InternalName: 更新程序
LegalCopyright: 更新程序
OriginalFilename: 更新程序
ProductName: 更新程序
ProductVersion: 1, 0, 0, 1
Translation: 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?

Backdoor:Win32/Vonost.A 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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