Categories: Trojan

What is “MSIL/TrojanDownloader.Agent.AEX”?

The MSIL/TrojanDownloader.Agent.AEX 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/TrojanDownloader.Agent.AEX virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine MSIL/TrojanDownloader.Agent.AEX?


File Info:

name: 4208F325A990446DA54E.mlwpath: /opt/CAPEv2/storage/binaries/4ce672d27e10554124bfdaf7cd4f1be348e7adc7387e3351bae77b4f0f6323bdcrc32: 383D24A9md5: 4208f325a990446da54e5b2fbe11e176sha1: 7ee1e65d4dcf3229de16d5c62e872a0729abdab8sha256: 4ce672d27e10554124bfdaf7cd4f1be348e7adc7387e3351bae77b4f0f6323bdsha512: f33ff9271716f8d5341a33706a66885529fd75afc9583f04cb057909bdb726fd145ac2232812f8d0f50b132bb878907df357465d2dd456b222264b68605ea792ssdeep: 24576:+j8Y7m6GZFZY3gm8QD5pHlRlY5Agptwapo8H8HPHcXPT1KumXuYhA:+jj7m6+Fm3gm1D5NlRlY5AMwqo8HaHQ1type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T15C55BF1272E1C572E1B75730DAAACBF156B5FC704A32850B53D4BD0F3EB2A819A32752sha3_384: a6b2ad72b0922471add9b85760d90c5d7de432e440cba55756e0251e91cf5de00784cbd791d5bd68843f41aaa2b35f26ep_bytes: e8299f0000e979feffff8bff558bec8btimestamp: 2013-02-04 14:35:55

Version Info:

CompanyName: YoushaHD PlayerFileDescription: This installer database contains the logic and data required to install YoushaHD Player.FileVersion: 1.1.0InternalName: YouShaHD_18LegalCopyright: Copyright (C) YoushaHD PlayerOriginalFileName: YouShaHD_18.exeProductName: YoushaHD PlayerProductVersion: 1.1.0Translation: 0x0409 0x04b0

MSIL/TrojanDownloader.Agent.AEX also known as:

Lionic Trojan.Win32.Generic.4!c
MicroWorld-eScan Trojan.GenericKD.33967575
FireEye Trojan.GenericKD.33967575
ALYac Trojan.GenericKD.33967575
Cylance Unsafe
K7AntiVirus Trojan-Downloader ( 005705591 )
Alibaba Trojan:MSIL/Generic.8bdf850a
K7GW Trojan-Downloader ( 005705591 )
Cybereason malicious.5a9904
ESET-NOD32 MSIL/TrojanDownloader.Agent.AEX
TrendMicro-HouseCall TROJ_GEN.R002H0CF622
Paloalto generic.ml
BitDefender Trojan.GenericKD.33967575
Avast FileRepMalware [Trj]
Tencent Malware.Win32.Gencirc.10c7a599
Ad-Aware Trojan.GenericKD.33967575
Sophos Mal/Generic-S
Comodo Malware@#3e4isp91eareh
McAfee-GW-Edition Artemis!Trojan
Emsisoft Trojan.GenericKD.33967575 (B)
GData Trojan.GenericKD.33967575
MAX malware (ai score=83)
Arcabit Trojan.Generic.D2064DD7
Microsoft Trojan:Win32/Occamy.C4C
McAfee Artemis!4208F325A990
TACHYON Trojan/W32.Agent.1383619
APEX Malicious
Rising Downloader.Agent!8.B23 (CLOUD)
Ikarus Trojan-Downloader.MSIL.Agent
MaxSecure Trojan.Malware.7175209.susgen
Fortinet MSIL/Agent.AEX!tr.dldr
AVG FileRepMalware [Trj]
CrowdStrike win/malicious_confidence_100% (W)

How to remove MSIL/TrojanDownloader.Agent.AEX?

  • 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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