Backdoor

Backdoor:MSIL/WebShell.AI!MTB malicious file

Malware Removal

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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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: 3E6D510019E56C2FD1EA.mlw
path: /opt/CAPEv2/storage/binaries/fbdc5b35ef5a063cff3da884a9b22e5919a99d79d2befea43c85858333c3d150
crc32: B2EFDAC1
md5: 3e6d510019e56c2fd1eac392674fe47e
sha1: 21f6bf5a1e6001b298b99977ced641668747bea0
sha256: fbdc5b35ef5a063cff3da884a9b22e5919a99d79d2befea43c85858333c3d150
sha512: bbc6075ec3a593509b13872a786193ef6e91d4a18702fed2e5c7cf4ad6daa438bf54c3c7bf320ff7e3f36b5d0d1c7ea88bf8355b82140919a20994a3d0392e41
ssdeep: 96:vYj8WM7EczEDqbdP4MHbhSg1EzAkhwPpGepMY2hkS:ixM7EcMsN4MHbggSzxwhGQMD
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
tlsh: T145E1F71FBFD8C633C8BF573C56E24206137ACB19A863FB2E4DC410685983214E5A6779
sha3_384: d6b435d43d165be112a2da2edc6ae9c8dcffa271b2f780df875ef8ac11109330dc5566216481034876f18cbe7b5edbe2
ep_bytes: ff250020400000000000000000000000
timestamp: 2023-11-12 16:02:05


Version Info:

Translation: 0x0000 0x04b0
FileDescription:  
FileVersion: 0.0.0.0
InternalName: App_Web_fohoukzm.dll
LegalCopyright:  
OriginalFilename: App_Web_fohoukzm.dll
ProductVersion: 0.0.0.0
Assembly Version: 0.0.0.0

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

BkavW32.Common.D6DA273D
LionicTrojan.Win32.WebShell.m!c
MicroWorld-eScanTrojan.GenericKDZ.104211
ClamAVWin.Packed.Webshell-10009509-0
FireEyeTrojan.GenericKDZ.104211
SkyhighRDN/Generic BackDoor
McAfeeRDN/Generic BackDoor
Cylanceunsafe
VIPRETrojan.GenericKDZ.104211
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaBackdoor:MSIL/WebShell.e565464a
SymantecTrojan.Gen.MBT
Elasticmalicious (high confidence)
ESET-NOD32a variant of MSIL/Agent.EJA
APEXMalicious
CynetMalicious (score: 100)
KasperskyHEUR:Backdoor.MSIL.WebShell.gen
BitDefenderTrojan.GenericKDZ.104211
AvastWin32:BackdoorX-gen [Trj]
TencentBackdoor.MSIL.WebShell.16000615
TACHYONBackdoor/W32.DN-WebShell.7168.R
EmsisoftTrojan.GenericKDZ.104211 (B)
F-SecureHeuristic.HEUR/AGEN.1364302
DrWebBackDoor.WebshellNET.5
ZillyaTrojan.Agent.Win32.3767269
TrendMicroTROJ_GEN.R011C0DKE23
SophosMal/Generic-S
SentinelOneStatic AI – Malicious PE
GDataTrojan.GenericKDZ.104211
GoogleDetected
AviraHEUR/AGEN.1364302
ArcabitTrojan.Generic.D19713
ZoneAlarmHEUR:Backdoor.MSIL.WebShell.gen
MicrosoftBackdoor:MSIL/WebShell.AI!MTB
VaristW32/MSIL_Agent.GTK.gen!Eldorado
AhnLab-V3Trojan/Win.Generic.C5499105
ALYacTrojan.GenericKDZ.104211
MAXmalware (ai score=89)
MalwarebytesTrojan.WebShell.MSIL
PandaTrj/GdSda.A
TrendMicro-HouseCallTROJ_GEN.R011C0DKE23
IkarusTrojan.MSIL.Agent
FortinetMSIL/Agent.EJA!tr
AVGWin32: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.

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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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