Categories: Trojan

What is “IL:Trojan.MSILZilla.21303”?

The IL:Trojan.MSILZilla.21303 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 IL:Trojan.MSILZilla.21303 virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Sample contains Overlay data
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Sniffs keystrokes
  • CAPE detected the njRat malware family

How to determine IL:Trojan.MSILZilla.21303?


File Info:

name: 92055CD139E29DEEF4A7.mlwpath: /opt/CAPEv2/storage/binaries/5bd46e142d59364a53282c9e292bac97d71605547432515519a6e2eac73e84ddcrc32: CB806733md5: 92055cd139e29deef4a7ac356a73fdb1sha1: 4b2b1de7085c414e79f6f68505828efe3c7f0d2esha256: 5bd46e142d59364a53282c9e292bac97d71605547432515519a6e2eac73e84ddsha512: 29914478e35aeeafa6e80344e621df96836b6562176e833c7616881a6113e9bc1b69059f7876b3ed6ad5e54173ebb898fb7d3d79cd29ea98b03797ac2643e234ssdeep: 12288:5ToPWBv/cpGrU3yh7zMB0leI0XcPzV4ODO:5TbBv5rUKzMeeHsPu7type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1ADA49C817AC19CB2FC6229361B25E631653C7CB29FFDCA9B53C04D5BB9217C09631AE1sha3_384: 389ce1f2520e4db9d01db9a9f3c374ca43771c74f5823f6960cceb87506ad3d2598ab196b56732645df6d14181efcad8ep_bytes: e866050000e978feffffcccccccccccctimestamp: 2022-03-03 13:15:57

Version Info:

0: [No Data]

IL:Trojan.MSILZilla.21303 also known as:

Bkav W32.AIDetect.malware2
FireEye Generic.mg.92055cd139e29dee
BitDefender IL:Trojan.MSILZilla.21303
Cybereason malicious.139e29
Arcabit IL:Trojan.MSILZilla.D5337
Baidu MSIL.Backdoor.Bladabindi.a
Cyren W32/MSIL_Troj.FT.gen!Eldorado
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Bladabindi.BC
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky HEUR:Backdoor.MSIL.SpyGate.gen
MicroWorld-eScan IL:Trojan.MSILZilla.21303
Rising Backdoor.njRAT!1.9E49 (CLASSIC:npDOCoTASUC6DAAAcVtBtQ)
Emsisoft IL:Trojan.MSILZilla.21303 (B)
Comodo Backdoor.MSIL.Bladabindi.BA@7oej5x
DrWeb BackDoor.BladabindiNET.10
VIPRE IL:Trojan.MSILZilla.21303
TrendMicro BKDR_BLADABI.SMC
McAfee-GW-Edition BehavesLike.Win32.Generic.gh
Trapmine suspicious.low.ml.score
Sophos Generic ML PUA (PUA)
Ikarus Trojan.MSIL.Bladabindi
Avira TR/Dropper.Gen7
Microsoft Backdoor:MSIL/Bladabindi.BI
GData IL:Trojan.MSILZilla.21303
Acronis suspicious
BitDefenderTheta Gen:NN.ZemsilF.34786.cm0@aWWksEl
ALYac IL:Trojan.MSILZilla.21303
MAX malware (ai score=85)
Malwarebytes Trojan.Agent
SentinelOne Static AI – Suspicious SFX
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Bladabindi.AS!tr
AVG Win32:BackdoorX-gen [Trj]
Avast Win32:BackdoorX-gen [Trj]

How to remove IL:Trojan.MSILZilla.21303?

  • 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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