What is “Backdoor:MSIL/WebShell.AH!MTB”?

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.

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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.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: A5415513D4E0E415E073.mlw
path: /opt/CAPEv2/storage/binaries/ae4e7d22c9649548daf66dbcb868e75c6dd9bfc2c2867103cfc2f16c013d87a8
crc32: 682D7237
md5: a5415513d4e0e415e07341d46018fd70
sha1: 06f58cc0f6a51e8e70256b22b2c6589f016d421f
sha256: ae4e7d22c9649548daf66dbcb868e75c6dd9bfc2c2867103cfc2f16c013d87a8
sha512: c7d1d762aaf098ec34245f82ceb7ac1a642d5b2e668ed2440b5ac7c667a9dce9d1e5d91b7cffdb3d41a98d26d7725b058f027987574515fbbef9510747cad1ab
ssdeep: 6144:h575zMQlKeXdLeOkzTo2jSvlpABKobY1PkwKL1TxDBJhTA8p+gATTrpGe712:eQQTp
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
tlsh: T1EE44C40A36E84B04E5BA97BEA67506048B77B813D571E21D3CDCA4ED1FB3B908417B63
sha3_384: c6a8c0e6b893eb78853d4019289b301c2aa7c0777a43d350420fb7350e3c748f5a6315cc4edb8d7c5d06567ee10099fb
ep_bytes: ff250020400000000000000000000000
timestamp: 2023-10-12 22:09:52

Version Info:
0: [No Data]

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

Bkav	W32.AIDetectMalware.CS
AVG	Win32:BackdoorX-gen [Trj]
MicroWorld-eScan	Gen:Variant.MSILHeracles.118220
FireEye	Gen:Variant.MSILHeracles.118220
Skyhigh	BehavesLike.Win32.BadFile.dm
McAfee	Artemis!A5415513D4E0
Malwarebytes	Generic.Malware.AI.DDS
CrowdStrike	win/malicious_confidence_90% (W)
Symantec	Trojan.Gen.MBT
Elastic	malicious (high confidence)
ESET-NOD32	a variant of MSIL/Webshell.AU
APEX	Malicious
ClamAV	Win.Packed.Generickdz-9941382-0
Kaspersky	HEUR:Backdoor.MSIL.WebShell.gen
BitDefender	Gen:Variant.MSILHeracles.118220
NANO-Antivirus	Trojan.Win32.WebShell.klolbx
Avast	Win32:BackdoorX-gen [Trj]
Emsisoft	Gen:Variant.MSILHeracles.118220 (B)
F-Secure	Backdoor.BDC/AspxShell.G
DrWeb	BackDoor.WebshellNET.8
VIPRE	Gen:Variant.MSILHeracles.118220
TrendMicro	TROJ_GEN.R03BC0DDE24
Sophos	Mal/Generic-S
SentinelOne	Static AI – Malicious PE
Varist	W32/WebShell.J.gen!Eldorado
Avira	BDC/AspxShell.G
Microsoft	Backdoor:MSIL/WebShell.AH!MTB
Arcabit	Trojan.MSILHeracles.D1CDCC
ZoneAlarm	HEUR:Backdoor.MSIL.WebShell.gen
GData	MSIL.Trojan.PSE.4C3LYT
Google	Detected
AhnLab-V3	Trojan/Win.Generic.C5528305
ALYac	Gen:Variant.MSILHeracles.118220
MAX	malware (ai score=88)
Cylance	unsafe
Panda	Trj/GdSda.A
TrendMicro-HouseCall	TROJ_GEN.R03BC0DDE24
Ikarus	Trojan.MSIL.Webshell
MaxSecure	Trojan.Malware.116271617.susgen
Fortinet	MSIL/Webshell.AZ!tr
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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