Backdoor:MSIL/Webshell.BB!MTB removal

The Backdoor:MSIL/Webshell.BB!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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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 Backdoor:MSIL/Webshell.BB!MTB virus can do?

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

How to determine Backdoor:MSIL/Webshell.BB!MTB?


File Info:
name: 9E45F10209E6FD945E57.mlw
path: /opt/CAPEv2/storage/binaries/8fe6a23e914f2a8e23753f2a45471d6bdb55412934129c93d721236454e1e434
crc32: F94532CD
md5: 9e45f10209e6fd945e57021ef966a022
sha1: 398150150dbdc4fc74859d33e530a396d393e4db
sha256: 8fe6a23e914f2a8e23753f2a45471d6bdb55412934129c93d721236454e1e434
sha512: afd5c856281fc802e0a277283647b17492ffb2effe1168c3a2fbd813113fd62b68b90e2da2497824301abfe18de8a6e95bd1a01073583c593e40e07645ad9f98
ssdeep: 192:4+wpkuUArW6VxllpLcG7GPUTbzDd8SBx5pnFX86RoQpe7wcsMZ86RoQpe7wcsM:6kr6VxllpLcaZvhf9/oRwcjZ/oRwcj
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
tlsh: T1C1647FBCC3C76ABAA78E012183065ED1D0C9DC9A43B46236FB7113F690259D4DDDEE92
sha3_384: 309a861efef47280a51a3b62d750a36bb27837638e12dda0a4cb358ddd00972706d1c31c55edab4b2f472feba27068ce
ep_bytes: ff250020400000000000000000000000
timestamp: 2024-03-20 16:07:19

Version Info:
0: [No Data]

Backdoor:MSIL/Webshell.BB!MTB also known as:

AVG	Win32:BackdoorX-gen [Trj]
Elastic	malicious (high confidence)
Skyhigh	Artemis
McAfee	Artemis!9E45F10209E6
K7AntiVirus	Trojan ( 005b19ee1 )
K7GW	Trojan ( 005b19ee1 )
CrowdStrike	win/malicious_confidence_100% (D)
ESET-NOD32	a variant of MSIL/Webshell.EE
APEX	Malicious
Kaspersky	HEUR:Backdoor.MSIL.WebShell.gen
Avast	Win32:BackdoorX-gen [Trj]
F-Secure	Trojan.TR/Dropper.MSIL.Gen
DrWeb	BackDoor.WebshellNET.6
Ikarus	Trojan.MSIL.Webshell
GData	Win32.Trojan.Agent.WVPWIM
Avira	TR/Dropper.MSIL.Gen
ZoneAlarm	HEUR:Backdoor.MSIL.WebShell.gen
Microsoft	Backdoor:MSIL/Webshell.BB!MTB
Google	Detected
TrendMicro-HouseCall	TROJ_GEN.R011H01CM24
SentinelOne	Static AI – Malicious PE
Fortinet	W32/Webshell.EE!tr
DeepInstinct	MALICIOUS

How to remove Backdoor:MSIL/Webshell.BB!MTB?

Backdoor:MSIL/Webshell.BB!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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