Trojan

MSIL/TrojanDropper.Binder.EF (file analysis)

Malware Removal

The MSIL/TrojanDropper.Binder.EF 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/TrojanDropper.Binder.EF virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • 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
  • .NET file is packed/obfuscated with Confuser
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid

How to determine MSIL/TrojanDropper.Binder.EF?


File Info:

name: 3D62BC3D7EB8BF11A444.mlw
path: /opt/CAPEv2/storage/binaries/46d3f4521781e6ce74b17a13aa95f951a5494e56a9a4d65fe946cd02958e022e
crc32: 326AACD6
md5: 3d62bc3d7eb8bf11a444201057ec348d
sha1: ed6ac3eed06ce9dbc33f356e9138e72290a82f82
sha256: 46d3f4521781e6ce74b17a13aa95f951a5494e56a9a4d65fe946cd02958e022e
sha512: 4e50fde9884d6ebb5749fa35f7b7cc68e7a90ead6e92acff6e1d10eb0cecc34795f22970ac86fed8e1b9fe04cc49f87c853f33c0b5e7752a4cf4d134a5cffdd1
ssdeep: 3072:IPVwtWKNfs+nIs4V+4P48vxbEgnEHoR0bT/Di8HTC+Opxbp4p8YXu+w8QYQFw4:INFKfs+F4vP5vxnfGX2aTo9Yptw8Q
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T10714220853D4E351DC9669F8FBCA72C20628C3850498D9BFDA9C3A5D49FE9DC07B2687
sha3_384: b31665cb56706966eb7f41a7e9c36beac4743ad586390f69f062ca67ff21648a8907ce514cecbe92d55b62ba7abea702
ep_bytes: ff250020400000000000000000000000
timestamp: 2022-02-25 07:55:15

Version Info:

Translation: 0x0000 0x04b0
Comments:
CompanyName:
FileDescription:
FileVersion: 1.0.0.0
InternalName: mfbstub.exe
LegalCopyright:
LegalTrademarks:
OriginalFilename: mfbstub.exe
ProductName:
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

MSIL/TrojanDropper.Binder.EF also known as:

BkavW32.AIDetectNet.01
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Heur.MSIL.Krypt.!cdmip!.2
ALYacGen:Heur.MSIL.Krypt.!cdmip!.2
CylanceUnsafe
SangforSuspicious.Win32.Save.a
CrowdStrikewin/malicious_confidence_60% (D)
CyrenW32/MSIL_Troj.DV.gen!Eldorado
SymantecML.Attribute.HighConfidence
tehtrisGeneric.Malware
ESET-NOD32a variant of MSIL/TrojanDropper.Binder.EF
APEXMalicious
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Heur.MSIL.Krypt.!cdmip!.2
NANO-AntivirusTrojan.Win32.Starter.dhxqxu
AvastWin32:DropperX-gen [Drp]
Ad-AwareGen:Heur.MSIL.Krypt.!cdmip!.2
SophosML/PE-A
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.MulDropNET.18
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.3d62bc3d7eb8bf11
EmsisoftGen:Heur.MSIL.Krypt.!cdmip!.2 (B)
SentinelOneStatic AI – Malicious PE
GDataMSIL.Packed.Kryptik.FU
AviraTR/Dropper.Gen
MAXmalware (ai score=82)
ArcabitTrojan.MSIL.Krypt.!cdmip!.2
ZoneAlarmHEUR:Trojan.Win32.Generic
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
MalwarebytesMachineLearning/Anomalous.100%
RisingTrojan.Generic/MSIL@AI.96 (RDM.MSIL:CIXVc8e7LEg2eW4buxQpXQ)
IkarusTrojan-Dropper.MSIL.Binder
MaxSecureTrojan.Malware.300983.susgen
FortinetMSIL/Dropper.B!tr
BitDefenderThetaGen:NN.ZemsilF.34606.mm0@aeBLJcj
AVGWin32:DropperX-gen [Drp]
Cybereasonmalicious.d7eb8b

How to remove MSIL/TrojanDropper.Binder.EF?

MSIL/TrojanDropper.Binder.EF 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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