Categories: Backdoor

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

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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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: FBCC396F3B09B97682A8.mlwpath: /opt/CAPEv2/storage/binaries/9c67ccce782f5b8dd3a3ca66ce087998ed26c9238952cbc6394063deae5543afcrc32: 38C02445md5: fbcc396f3b09b97682a8f11aacc868aesha1: 81c5ff290abba328f3a6a5e98955f58113c75a7asha256: 9c67ccce782f5b8dd3a3ca66ce087998ed26c9238952cbc6394063deae5543afsha512: 16369a56f284d26381f1b8a3133d53f293f841ab86f14884a9c00e344bdb9249a921fb6f481524d99a30f8c19344af3c16b828a306a6220270e830ebcb9fa886ssdeep: 384:Jh3/pbnfLeML1grCiTwTPLt4TmxOtKX7Lt:HtfLDpcFMXeKxOtKntype: PE32 executable (DLL) (GUI) Intel 80386, for MS Windowstlsh: T16762C51FAB89CD13C6B7A33267B29614D4B695031696CB1EBDDCA5CA2F733044262FC4sha3_384: 312bcf6fe362b2f51af67dc47f1303ac15f61acca3e156b8310b6c7a2000fdd74cad58ff9bada62fc52cc82fd8f106a5ep_bytes: ff250020001000000000000000000000timestamp: 2024-02-28 18:18:26

Version Info:

0: [No Data]

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

Bkav W32.AIDetectMalware.CS
Elastic malicious (high confidence)
McAfee RDN/Generic BackDoor
Malwarebytes Trojan.WebShell.MSIL
Zillya Trojan.Webshell.Win32.16579
K7AntiVirus Trojan ( 005b19ee1 )
K7GW Trojan ( 005b19ee1 )
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of MSIL/Webshell.EV
ClamAV Win.Packed.Webshell-10016062-0
Kaspersky HEUR:Backdoor.MSIL.WebShell.gen
BitDefender Gen:Variant.MSILHeracles.92481
MicroWorld-eScan Gen:Variant.MSILHeracles.92481
Avast Win32:BackdoorX-gen [Trj]
Tencent Backdoor.MSIL.WebShell.kt
Emsisoft Gen:Variant.MSILHeracles.92481 (B)
F-Secure Trojan.TR/Dropper.MSIL.Gen
DrWeb BackDoor.WebshellNET.9
VIPRE Gen:Variant.MSILHeracles.92481
TrendMicro TROJ_GEN.R011C0DC124
FireEye Gen:Variant.MSILHeracles.92481
Ikarus Trojan.MSIL.Webshell
Google Detected
Avira TR/Dropper.MSIL.Gen
Microsoft Backdoor:MSIL/Webshell.BB!MTB
Arcabit Trojan.MSILHeracles.D16941
ZoneAlarm HEUR:Backdoor.MSIL.WebShell.gen
GData MSIL.Trojan.PSE.146FGW9
Varist W32/WebShell.E.gen!Eldorado
AhnLab-V3 Backdoor/Win.WEBSHELL.C5557105
ALYac Gen:Variant.MSILHeracles.92481
MAX malware (ai score=83)
TrendMicro-HouseCall TROJ_GEN.R011C0DC124
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/Webshell.EE!tr
AVG Win32:BackdoorX-gen [Trj]

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

  • 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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