Backdoor:MSIL/WebShell.AH!MTB removal guide

The Backdoor:MSIL/WebShell.AH!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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.AH!MTB virus can do?

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

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


File Info:
name: B121E781ADB9BACB316F.mlw
path: /opt/CAPEv2/storage/binaries/8f5dc12313b410548afd2fb79364fdac79b10aa228da5a03fe8c02ab58900a70
crc32: 3162AF04
md5: b121e781adb9bacb316f39a95c2dc563
sha1: c3edfd777b8fdee6890b487eccf089e8077a32e1
sha256: 8f5dc12313b410548afd2fb79364fdac79b10aa228da5a03fe8c02ab58900a70
sha512: e6e895e2f9a36f85a7252fe628da09d4dfa31adc79ec8824712e148adebad4a19d7999d33908aebe0043c4514c013110577393c471dd0ceb33c19c5fcf6aabb6
ssdeep: 6144:AkDrWHWFni1h08pL3bLeOF1PkhwzaLToaTVjI1rvlpABK4JhTAhG/IrUoS712:ivp
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
tlsh: T15744C50A32F44604E5FA9B7DA2754A089737B9079536C2193CDCE4EE0FB3B518817FA6
sha3_384: ce6f7409e9fda7a67116bb82523072257f8ade8608311eba3d7de43eb939b1d5264e204f258e0ba9feb4fa8bf1bef9b6
ep_bytes: ff250020400000000000000000000000
timestamp: 2024-03-14 15:28:56

Version Info:
0: [No Data]

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

Bkav	W32.AIDetectMalware.CS
DrWeb	BackDoor.WebshellNET.8
MicroWorld-eScan	Gen:Variant.MSILHeracles.118220
FireEye	Gen:Variant.MSILHeracles.118220
Malwarebytes	Generic.Malware.AI.DDS
K7AntiVirus	Trojan ( 005ab4bd1 )
K7GW	Trojan ( 005ab4bd1 )
CrowdStrike	win/malicious_confidence_90% (W)
Symantec	Trojan.Gen.MBT
Elastic	malicious (high confidence)
ESET-NOD32	a variant of MSIL/Webshell.AU
APEX	Malicious
TrendMicro-HouseCall	TROJ_GEN.R011C0DCG24
ClamAV	Win.Packed.Generickdz-9941382-0
Kaspersky	HEUR:Backdoor.MSIL.WebShell.gen
BitDefender	Gen:Variant.MSILHeracles.118220
Avast	Win32:BackdoorX-gen [Trj]
Emsisoft	Gen:Variant.MSILHeracles.118220 (B)
F-Secure	Backdoor.BDC/AspxShell.G
VIPRE	Gen:Variant.MSILHeracles.118220
TrendMicro	TROJ_GEN.R011C0DCG24
SentinelOne	Static AI – Malicious PE
MAX	malware (ai score=89)
Google	Detected
Avira	BDC/AspxShell.G
Varist	W32/WebShell.J.gen!Eldorado
Microsoft	Backdoor:MSIL/WebShell.AH!MTB
Arcabit	Trojan.MSILHeracles.D1CDCC
ZoneAlarm	HEUR:Backdoor.MSIL.WebShell.gen
GData	MSIL.Trojan.PSE.4C3LYT
AhnLab-V3	Trojan/Win.Generic.C5528305
ALYac	Gen:Variant.MSILHeracles.118220
Ikarus	Trojan.MSIL.Webshell
Fortinet	MSIL/Webshell.AZ!tr
AVG	Win32:BackdoorX-gen [Trj]
alibabacloud	Backdoor:MSIL/Webshell.AU

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

Backdoor:MSIL/WebShell.AH!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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