Categories: Backdoor

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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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: B7A234A7md5: 63eff8a748afcf3da73cefa1f7205ee2name: 63EFF8A748AFCF3DA73CEFA1F7205EE2.mlwsha1: 0b1644ce8f0eb5edffe62590b9d5ad1f64b3cad1sha256: e05403e53c1c914b869aa8cee03f5ce696be9ae183fdff16f671b515c754642fsha512: 9c6a68cb36ba90ff3f8b77f00d721150b2c2e8ecc8d101cf7ba1c7d53846d0d3171d55f1c75f8cfdc6a7fa2e7a850288a5cfc0ef3f936ec55a20754140405740ssdeep: 1536:0mE6XAHQ4yO9jNe7jeZygt6AOeKzE0h9ojUYZuYlRb/nTQR6lf8S0/x:0mvXAw4yO9jBKzEO9AUY8YlRb/nT+gptype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 1.0.0.0InternalName: Stub.exeFileVersion: 1.0.0.0CompanyName: LegalTrademarks: Comments: ProductName: ProductVersion: 1.0.0.0FileDescription: 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?

  • 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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