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.

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 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.mlw
path: /opt/CAPEv2/storage/binaries/2da042144a100773b46398d7bfe81570d833fd949d3261204401c65a36b74065
crc32: 67D98652
md5: 6014f58ea3c1a45a7bbfe865e8738e5f
sha1: 8c7785e60c750cc9044c84dfec85ef889f1bcc09
sha256: 2da042144a100773b46398d7bfe81570d833fd949d3261204401c65a36b74065
sha512: dd625e6356f1b5369d0cf46ae4a39829af34628f9ca309cc96b8500fe462b34b9f52fd5b3a1a518d17bffca0f06c5c060402573fab660d404dcbe9cfd61380c9
ssdeep: 3072:hFyZDL6wA+F4ptysC4e+naaXNOnPAYXSJMT+Y1yc7UptXHyWmrzwkT:0D2p4Ln1h
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
tlsh: T1E924C74C36E4CB45E5BEC3BB913D59188B79F5069903C20A8DD1A8FA1DB17E1881FF92
sha3_384: 87166c6b5f178a051610b09ecd35a102e3af44fd6f6d4144a353a99c198600eece7b1439f2289693b99a820a0ee293d9
ep_bytes: ff250020400000000000000000000000
timestamp: 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?

MSIL/Webshell.AU 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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