Categories: Backdoor

What is “Backdoor.MSIL.WebShell”?

The Backdoor.MSIL.WebShell 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 virus can do?

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

How to determine Backdoor.MSIL.WebShell?


File Info:

name: CFF475C7B7E183031EE0.mlwpath: /opt/CAPEv2/storage/binaries/7abeb592dab2918dd9ea8bee0d5d07065c6b4f647363a7a96059295f7439ed18crc32: DF697263md5: cff475c7b7e183031ee00269ccef6b61sha1: 34bad2b131f94daa7b52df18581b0f08e31e9ae0sha256: 7abeb592dab2918dd9ea8bee0d5d07065c6b4f647363a7a96059295f7439ed18sha512: 031421b64b7bd7570e69e04a257fe3b78ec819a8c8ef7f3d625da342d99514f4ca31c06a3f0d6dc02e022792c72d5b6975d376b6e8e04e5a1c19de5faf115b26ssdeep: 96:sOisizjMT3g7QrqVvbhSg1ZLLOSrdZF8B8eTpF:sTMT36IqVvbggnL6SrLiB8eVtype: PE32 executable (DLL) (GUI) Intel 80386, for MS Windowstlsh: T117C1B7527F84C873CA3ED7394A82A648D331D61A9023EE1F58D8414C99DB7041AADFEAsha3_384: 7892cc83931b47b7e2e70895aeab4c7aaf46c0233be45bb25b08211bdaeedb2afe9ee67f521808e1faa10596b362352fep_bytes: ff250020001000000000000000000000timestamp: 2024-03-26 06:43:07

Version Info:

0: [No Data]

Backdoor.MSIL.WebShell also known as:

Bkav W32.AIDetectMalware.CS
Lionic Trojan.Win32.WebShell.m!c
AVG Win32:BackdoorX-gen [Trj]
Elastic malicious (high confidence)
Skyhigh BehavesLike.Win32.BadFile.xt
McAfee Artemis!CFF475C7B7E1
Sangfor Backdoor.Msil.Agent.Vsn3
K7AntiVirus Trojan ( 005a01e21 )
Alibaba Backdoor:MSIL/WebShell.5b44ab5a
K7GW Trojan ( 005a01e21 )
CrowdStrike win/malicious_confidence_90% (W)
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of MSIL/Agent.EJA
Kaspersky HEUR:Backdoor.MSIL.WebShell.gen
Avast Win32:BackdoorX-gen [Trj]
Sophos Mal/Generic-S
F-Secure Heuristic.HEUR/AGEN.1370515
DrWeb BackDoor.WebshellNET.7
Ikarus Trojan.MSIL.Agent
Varist W32/MSIL_Agent.GTK.gen!Eldorado
Avira HEUR/AGEN.1370515
Microsoft Trojan:Win32/Wacatac.B!ml
ZoneAlarm HEUR:Backdoor.MSIL.WebShell.gen
GData Win32.Trojan.Agent.4D4V4P
Google Detected
Cylance unsafe
TrendMicro-HouseCall TROJ_GEN.R011H0ACR24
SentinelOne Static AI – Malicious PE
Fortinet MSIL/Agent.EJA!tr
DeepInstinct MALICIOUS
alibabacloud Trojan:Win/FakeTplus.CZ

How to remove Backdoor.MSIL.WebShell?

  • 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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