VHO:Backdoor.MSIL.Crysan malicious file

The VHO:Backdoor.MSIL.Crysan 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 VHO:Backdoor.MSIL.Crysan virus can do?

Network activity detected but not expressed in API logs

How to determine VHO:Backdoor.MSIL.Crysan?


File Info:
crc32: B7A234A7
md5: 63eff8a748afcf3da73cefa1f7205ee2
name: 63EFF8A748AFCF3DA73CEFA1F7205EE2.mlw
sha1: 0b1644ce8f0eb5edffe62590b9d5ad1f64b3cad1
sha256: e05403e53c1c914b869aa8cee03f5ce696be9ae183fdff16f671b515c754642f
sha512: 9c6a68cb36ba90ff3f8b77f00d721150b2c2e8ecc8d101cf7ba1c7d53846d0d3171d55f1c75f8cfdc6a7fa2e7a850288a5cfc0ef3f936ec55a20754140405740
ssdeep: 1536:0mE6XAHQ4yO9jNe7jeZygt6AOeKzE0h9ojUYZuYlRb/nTQR6lf8S0/x:0mvXAw4yO9jBKzEO9AUY8YlRb/nT+gp
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:
Translation: 0x0000 0x04b0
LegalCopyright: 
Assembly Version: 1.0.0.0
InternalName: Stub.exe
FileVersion: 1.0.0.0
CompanyName: 
LegalTrademarks: 
Comments: 
ProductName: 
ProductVersion: 1.0.0.0
FileDescription: 
OriginalFilename: Stub.exe

VHO:Backdoor.MSIL.Crysan also known as:

K7AntiVirus	Trojan ( 005678321 )
Elastic	malicious (high confidence)
DrWeb	BackDoor.AsyncRATNET.1
Cynet	Malicious (score: 100)
ALYac	Gen:Variant.Semper.DotNet.3
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
K7GW	Trojan ( 005678321 )
Cybereason	malicious.748afc
Cyren	W32/MSIL_Troj.UP.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/Agent.CFQ
APEX	Malicious
Avast	Win32:DropperX-gen [Drp]
ClamAV	Win.Packed.Samas-7998113-0
Kaspersky	VHO:Backdoor.MSIL.Crysan.gen
BitDefender	Gen:Variant.Semper.DotNet.3
MicroWorld-eScan	Gen:Variant.Semper.DotNet.3
Ad-Aware	Gen:Variant.Semper.DotNet.3
Sophos	ML/PE-A
F-Secure	Trojan.TR/Dropper.Gen
BitDefenderTheta	Gen:NN.ZemsilF.34678.em0@aKV8fan
McAfee-GW-Edition	GenericRXKM-HM!63EFF8A748AF
FireEye	Generic.mg.63eff8a748afcf3d
Emsisoft	Gen:Variant.Semper.DotNet.3 (B)
SentinelOne	Static AI – Malicious PE
Jiangmin	Backdoor.MSIL.czyv
Avira	TR/Dropper.Gen
eGambit	Unsafe.AI_Score_100%
Microsoft	Backdoor:MSIL/AsyncRat.AD!MTB
Arcabit	Trojan.Semper.DotNet.3
GData	Gen:Variant.Semper.DotNet.3
AhnLab-V3	Malware/Win32.RL_Generic.C3558490
McAfee	GenericRXKM-HM!63EFF8A748AF
MAX	malware (ai score=84)
Malwarebytes	Backdoor.AsyncRAT.MSIL.Generic
Panda	Trj/GdSda.A
Rising	Trojan.AntiVM!1.CF63 (CLASSIC)
Ikarus	Backdoor.MSIL.ASyncRAT
Fortinet	MSIL/CoinMiner.CFQ!tr
AVG	Win32:DropperX-gen [Drp]

How to remove VHO:Backdoor.MSIL.Crysan?

VHO:Backdoor.MSIL.Crysan 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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