Backdoor:MSIL/WebShell.AI!MTB malicious file

The Backdoor:MSIL/WebShell.AI!MTB 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:MSIL/WebShell.AI!MTB virus can do?

CAPE extracted potentially suspicious content
Authenticode signature is invalid
Anomalous .NET characteristics

How to determine Backdoor:MSIL/WebShell.AI!MTB?


File Info:
name: BA70966B9890AE7E6DB4.mlw
path: /opt/CAPEv2/storage/binaries/82a0809b145457da204ad2932a9a13be5f8fc3ff2b7fd5553ad8ac6df780eab6
crc32: BEB18025
md5: ba70966b9890ae7e6db4ae8273f6381d
sha1: d95fdfa917815d8c0a671bdc960a741854e3ea90
sha256: 82a0809b145457da204ad2932a9a13be5f8fc3ff2b7fd5553ad8ac6df780eab6
sha512: 0f77345a8fd022cf7525bad5a98df20188a508f4bf167190d2ae815ee801335e65a69408ae030c3239fef51b893f1037747012865b29546e28deb65d6ca3537b
ssdeep: 192:LUpU1U0D0lqjhxHbggSzcfVasYtbmY5XwbM9bU8b:GU1KQ9x7gdzcfVasYtN7
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
tlsh: T1FF32F81BB7D9CA23DA7E477C297186140337D603A023FB276FC850A89FD37518452B96
sha3_384: 13695a2d036680a108f564ce8dc6bf3d8a8bee363814116d4493134078b9ce25f306fa31c57d8c7c5ca31188831fbb55
ep_bytes: ff250020001000000000000000000000
timestamp: 2024-02-29 00:34:43

Version Info:
0: [No Data]

Backdoor:MSIL/WebShell.AI!MTB also known as:

Bkav	W32.AIDetectMalware.CS
Elastic	malicious (high confidence)
MicroWorld-eScan	Trojan.GenericKDZ.104945
Skyhigh	BehavesLike.Win32.Infected.lm
McAfee	Artemis!BA70966B9890
Malwarebytes	Trojan.WebShell.MSIL
Zillya	Trojan.Agent.Win32.3763008
CrowdStrike	win/malicious_confidence_60% (W)
BitDefender	Trojan.GenericKDZ.104945
Arcabit	Trojan.Generic.D199F1
Symantec	Trojan.Gen.MBT
ESET-NOD32	a variant of MSIL/Agent.EJA
APEX	Malicious
ClamAV	Win.Packed.Webshell-10014509-0
Kaspersky	HEUR:Backdoor.MSIL.WebShell.gen
Avast	Win32:BackdoorX-gen [Trj]
TACHYON	Backdoor/W32.DN-WebShell.11264.L
Emsisoft	Trojan.GenericKDZ.104945 (B)
F-Secure	Trojan.TR/Agent.edize
DrWeb	BackDoor.WebshellNET.5
VIPRE	Trojan.GenericKDZ.104945
FireEye	Trojan.GenericKDZ.104945
Ikarus	Trojan.MSIL.Agent
Varist	W32/MSIL_Agent1.GWE.gen!Eldorado
Avira	TR/Agent.edize
Antiy-AVL	Trojan[Backdoor]/MSIL.WebShell
Microsoft	Backdoor:MSIL/WebShell.AI!MTB
ZoneAlarm	HEUR:Backdoor.MSIL.WebShell.gen
GData	MSIL.Trojan.PSE.CX8BC6
Google	Detected
AhnLab-V3	Backdoor/Win.WEBSHELL.C5545120
VBA32	TScope.Trojan.MSIL
MAX	malware (ai score=88)
Panda	Trj/GdSda.A
Tencent	Backdoor.MSIL.WebShell.kk
SentinelOne	Static AI – Malicious PE
MaxSecure	Trojan.Malware.121218.susgen
Fortinet	MSIL/Agent.EJA!tr
AVG	Win32:BackdoorX-gen [Trj]

How to remove Backdoor:MSIL/WebShell.AI!MTB?

Backdoor:MSIL/WebShell.AI!MTB 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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