Categories: Malware

What is “MSIL/Webshell.AU”?

The MSIL/Webshell.AU 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 MSIL/Webshell.AU virus can do?

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

How to determine MSIL/Webshell.AU?


File Info:

name: 6014F58EA3C1A45A7BBF.mlwpath: /opt/CAPEv2/storage/binaries/2da042144a100773b46398d7bfe81570d833fd949d3261204401c65a36b74065crc32: 67D98652md5: 6014f58ea3c1a45a7bbfe865e8738e5fsha1: 8c7785e60c750cc9044c84dfec85ef889f1bcc09sha256: 2da042144a100773b46398d7bfe81570d833fd949d3261204401c65a36b74065sha512: dd625e6356f1b5369d0cf46ae4a39829af34628f9ca309cc96b8500fe462b34b9f52fd5b3a1a518d17bffca0f06c5c060402573fab660d404dcbe9cfd61380c9ssdeep: 3072:hFyZDL6wA+F4ptysC4e+naaXNOnPAYXSJMT+Y1yc7UptXHyWmrzwkT:0D2p4Ln1htype: PE32 executable (DLL) (GUI) Intel 80386, for MS Windowstlsh: T1E924C74C36E4CB45E5BEC3BB913D59188B79F5069903C20A8DD1A8FA1DB17E1881FF92sha3_384: 87166c6b5f178a051610b09ecd35a102e3af44fd6f6d4144a353a99c198600eece7b1439f2289693b99a820a0ee293d9ep_bytes: ff250020400000000000000000000000timestamp: 2013-10-12 07:31:51

Version Info:

0: [No Data]

MSIL/Webshell.AU also known as:

Bkav W32.AIDetectMalware.CS
MicroWorld-eScan Gen:Variant.MSILHeracles.70345
FireEye Gen:Variant.MSILHeracles.70345
Cylance unsafe
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
K7GW Trojan ( 005ab4bd1 )
K7AntiVirus Trojan ( 005ab4bd1 )
Symantec Trojan.Gen.MBT
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Webshell.AU
Kaspersky HEUR:Backdoor.MSIL.WebShell.gen
BitDefender Gen:Variant.MSILHeracles.70345
Avast Win32:BackdoorX-gen [Trj]
Tencent Backdoor.MSIL.WebShell.hq
TACHYON Backdoor/W32.DN-WebShell.215552
Emsisoft Gen:Variant.MSILHeracles.70345 (B)
F-Secure Heuristic.HEUR/AGEN.1362733
DrWeb BackDoor.WebshellNET.8
Sophos Troj/WebShel-IM
SentinelOne Static AI – Malicious PE
Google Detected
Avira HEUR/AGEN.1362733
Varist W32/MSIL_Kryptik.JGP.gen!Eldorado
Microsoft Trojan:Win32/Wacatac.B!ml
Arcabit Trojan.MSILHeracles.D112C9
ZoneAlarm HEUR:Backdoor.MSIL.WebShell.gen
GData MSIL.Trojan.PSE.1502OL3
AhnLab-V3 Trojan/Win.Generic.C5575226
ALYac Gen:Variant.MSILHeracles.70345
MAX malware (ai score=86)
Malwarebytes Generic.Malware.AI.DDS
Panda Trj/GdSda.A
Ikarus Trojan.MSIL.Webshell
MaxSecure Trojan.Malware.121218.susgen
Fortinet MSIL/Webshell.AZ!tr
AVG Win32:BackdoorX-gen [Trj]
alibabacloud Backdoor:MSIL/Webshell.AZ

How to remove MSIL/Webshell.AU?

  • 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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