Categories: Malware

MSIL/Injector.AEA removal

The MSIL/Injector.AEA 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/Injector.AEA virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • 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
  • Enumerates the modules from a process (may be used to locate base addresses in process injection)
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Anomalous .NET characteristics
  • Anomalous binary characteristics

How to determine MSIL/Injector.AEA?


File Info:

name: 4A0B021C5A2DFFAA1E5C.mlwpath: /opt/CAPEv2/storage/binaries/044bfe2066eff33fad1dae7c6c63ce726b7e441ee83ab2d45a07f93dfe8ee291crc32: 2D4FEAEDmd5: 4a0b021c5a2dffaa1e5c0c4d679aae9bsha1: 09dc61467bbd4549a90f5fa6f1b1275eaef428e4sha256: 044bfe2066eff33fad1dae7c6c63ce726b7e441ee83ab2d45a07f93dfe8ee291sha512: 06c3feaedbe3712e7b89d7bc45fdaa365652d4f1695ecbda60a1b11fe9be2061dec1109674448f8b3575b6148062c5c77a9d42b3394460ce058c33a50f3172f8ssdeep: 6144:gFx16/sakoQvsHRFe9nrpyOFx16/sakoQvsHRFe9nrpmNVO:gHU0REGppHU0REGpBtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1E7F4CF52BB54C763C15E5B344DE2D75A2738FDA46F028B6732A8735E3CB23D02A422D9sha3_384: 577eff2f30572724029a05db11657b69a157219187159db3f5299ce3234c3ec75212343c32fbb8f47f15365033f0b38dep_bytes: ff250cf1450000005f436f724578654dtimestamp: 2011-03-17 10:29:55

Version Info:

Translation: 0x0000 0x04b0FileDescription: FileVersion: 0.0.0.0InternalName: u46849SKqt.exeLegalCopyright: OriginalFilename: u46849SKqt.exeProductVersion: 0.0.0.0Assembly Version: 0.0.0.0

MSIL/Injector.AEA also known as:

Lionic Trojan.Win32.Llac.4!c
tehtris Generic.Malware
MicroWorld-eScan Gen:Heur.MSIL.Bladabindi.1
Cylance Unsafe
Zillya Trojan.Llac.Win32.7018
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 005614b31 )
K7GW Trojan ( 005614b31 )
Cybereason malicious.c5a2df
VirIT Trojan.Win32.Generic.AIRP
Symantec Backdoor.Trojan
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Injector.AEA
APEX Malicious
Paloalto generic.ml
ClamAV Win.Trojan.Llac-60
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Gen:Heur.MSIL.Bladabindi.1
NANO-Antivirus Trojan.Win32.Llac.bypjsc
Avast MSIL:Agent-IP [Trj]
Tencent Malware.Win32.Gencirc.10b66cb1
Ad-Aware Gen:Heur.MSIL.Bladabindi.1
Emsisoft Gen:Heur.MSIL.Bladabindi.1 (B)
Comodo Malware@#1sjftcrick7xy
DrWeb BackDoor.XtremeRat.6
VIPRE Gen:Heur.MSIL.Bladabindi.1
McAfee-GW-Edition GenericR-CTB!4A0B021C5A2D
Trapmine suspicious.low.ml.score
FireEye Generic.mg.4a0b021c5a2dffaa
Sophos Generic ML PUA (PUA)
SentinelOne Static AI – Malicious PE
GData Gen:Heur.MSIL.Bladabindi.1
Jiangmin Trojan/Llac.doa
Avira TR/Dropper.Gen
Antiy-AVL Trojan/Generic.ASMalwS.43
Kingsoft Win32.Troj.Llac.y.(kcloud)
Arcabit Trojan.MSIL.Bladabindi.1
Microsoft Trojan:Win32/Dynamer!dtc
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win32.Llac.R16204
Acronis suspicious
McAfee GenericR-CTB!4A0B021C5A2D
MAX malware (ai score=82)
VBA32 TScope.Trojan.MSIL
Rising Trojan.Generic/MSIL@AI.92 (RDM.MSIL:7IMXSvRsYI4CsLiBPQtORA)
Yandex Backdoor.Agent!S3VKy2z6WwQ
Ikarus Trojan.Win32.Llac
Fortinet W32/Llac.YSP!tr
BitDefenderTheta Gen:NN.ZemsilF.34582.Um1@a06Canp
AVG MSIL:Agent-IP [Trj]
Panda Generic Malware
CrowdStrike win/malicious_confidence_100% (W)

How to remove MSIL/Injector.AEA?

  • 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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