Categories: Trojan

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

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

  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid

How to determine MSIL/TrojanDownloader.Agent.AYG?


File Info:

name: 2006B8B898BEA90A9494.mlwpath: /opt/CAPEv2/storage/binaries/566bc65ff6ca1b63a9c6a1cb5e6101515d823db6a4c1221dc7129d673e7aa12dcrc32: 34BC8C80md5: 2006b8b898bea90a9494b02df560f20dsha1: 0752015e806aa7896963eaf421174d841efa45bcsha256: 566bc65ff6ca1b63a9c6a1cb5e6101515d823db6a4c1221dc7129d673e7aa12dsha512: 9824c3aeefe84da90bff4a79e3c307785629c532bbb0ac67388758059a87e07656a5921af74ade5af0f849a823498f43be1e9f33dad82b6ded4f9235d6434f78ssdeep: 24576:GujZHwE0I33t4pvTq574Y91UDW+iQ4JdTvkjMzEZNkw1kvPo3:GujVOqB4Y9JQ4JdTvkjtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10A855B407BE59A37E2FF6B7698F106915F79E015E763E78F166081BA1C23380AC18367sha3_384: 644584b42cbccbcd88df893a13bd55ee894f3f90041c6ae922b65458ef569961eef461d733bd3d768eca8b43d25a3a3bep_bytes: ff2538365c0000000000000000000c36timestamp: 2015-05-12 19:56:40

Version Info:

Translation: 0x0000 0x04b0FileDescription: ICNSFileVersion: 1.0.0.0InternalName: ICNS.exeLegalCopyright: Copyright © 2015OriginalFilename: ICNS.exeProductName: ICNSProductVersion: 1.0.0.0Assembly Version: 1.0.0.1

MSIL/TrojanDownloader.Agent.AYG also known as:

DrWeb Trojan.DownLoader16.23644
MicroWorld-eScan Gen:Variant.MSILPerseus.93900
FireEye Generic.mg.2006b8b898bea90a
CAT-QuickHeal Trojan.Dacic.A3
ALYac Gen:Variant.MSILPerseus.93900
K7AntiVirus Trojan-Downloader ( 004cd7b11 )
K7GW Trojan-Downloader ( 004cd7b11 )
Cybereason malicious.898bea
VirIT Trojan.Win32.Generic.BPOW
Cyren W32/S-124e0d95!Eldorado
Elastic malicious (high confidence)
ESET-NOD32 MSIL/TrojanDownloader.Agent.AYG
TrendMicro-HouseCall TROJ_DACIC_EK1600AB.UVPM
Paloalto generic.ml
ClamAV Win.Malware.Zusy-9951396-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.MSILPerseus.93900
Avast Win32:Trojan-gen
Rising Downloader.Agent!1.A2BB (CLASSIC)
Ad-Aware Gen:Variant.MSILPerseus.93900
Sophos Mal/Generic-R + Troj/MSIL-EXE
F-Secure Trojan.TR/Agent.1843200.58
Zillya Trojan.Agent.Win32.546894
TrendMicro TROJ_DACIC_EK1600AB.UVPM
McAfee-GW-Edition Trojan-FHDT!2006B8B898BE
SentinelOne Static AI – Malicious PE
Trapmine malicious.moderate.ml.score
Emsisoft Gen:Variant.MSILPerseus.93900 (B)
Ikarus Trojan.Win32.Agent
GData Gen:Variant.MSILPerseus.93900
Jiangmin Trojan/Agent.ihtn
Webroot W32.Trojan.Gen
Avira TR/Agent.1843200.58
Arcabit Trojan.MSILPerseus.D16ECC
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win32.Dynamer.R154287
McAfee Trojan-FHDT!2006B8B898BE
VBA32 TScope.Trojan.MSIL
Malwarebytes Malware.AI.4285826401
APEX Malicious
Tencent Msil.Trojan-downloader.Agent.Hlxm
Yandex Trojan.Agent!dPpaa/rZd0U
MAX malware (ai score=87)
MaxSecure Trojan.Malware.7164915.susgen
Fortinet MSIL/Agent.AYG!tr.dldr
AVG Win32:Trojan-gen
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_90% (W)

How to remove MSIL/TrojanDownloader.Agent.AYG?

  • 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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