Categories: Trojan

MSIL/TrojanDownloader.Agent.NAG removal

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

  • CAPE extracted potentially suspicious content
  • .NET file is packed/obfuscated with SmartAssembly
  • Authenticode signature is invalid

How to determine MSIL/TrojanDownloader.Agent.NAG?


File Info:

name: 87A4E1F9565122155DF0.mlwpath: /opt/CAPEv2/storage/binaries/174835dca18ec11e9750157d751e86a315f69b1abe3f52258e16d17827785508crc32: C632940Amd5: 87a4e1f9565122155df006bf280ea02bsha1: cfc2d941e05b7c3687d06700f0a5a2e799772586sha256: 174835dca18ec11e9750157d751e86a315f69b1abe3f52258e16d17827785508sha512: 7be34ca576f07d51d17aec48811a36de5b030019a7adc85f1f046d32afb4234fbd10dec48656b3c8017326f054824b0c89bedc9dc215c16542c86589934ec943ssdeep: 192:ZKIF+UDGhqD3wa+n7DMfN4vAiuCxlnWy0blrrY98uwnSfn8AQ/+eM:bkHpn7wfN4ILGlWX5rru8uj0j/+etype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17603078422B55E21CD63023A68E6DEF35A2D4EC1495ECE1ED4C4FE0B39726F5C80B628sha3_384: c74601efa13e120b25d53bfe1798d3ba221d52c61c155fa3589be6c64be0321edbe2d0919113fc6298b9e0b5dbfb88e4ep_bytes: ff250020400000000000000000000000timestamp: 2022-08-18 04:08:49

Version Info:

Translation: 0x0000 0x04b0Comments: ICQCompanyName: Mail.ru LLCFileDescription: ICQFileVersion: 10.0.47177.0InternalName: ob1.exeLegalCopyright: Copyright (C) 2001-2019LegalTrademarks: OriginalFilename: ob1.exeProductName: ICQProductVersion: 10.0.47177.0Assembly Version: 10.0.47177.0

MSIL/TrojanDownloader.Agent.NAG also known as:

Bkav W32.AIDetectNet.01
FireEye Generic.mg.87a4e1f956512215
Cyren W32/MSIL_Troj.CIH.gen!Eldorado
Symantec MSIL.Downloader!gen8
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/TrojanDownloader.Agent.NAG
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan-Spy.MSIL.Noon.gen
Avast CrypterX-gen [Trj]
Google Detected
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
BitDefenderTheta Gen:NN.ZemsilF.34606.cm0@a43uR4g
VBA32 Downloader.MSIL.gen
Rising Trojan.Generic/MSIL@AI.90 (RDM.MSIL:mOXI4CB3jziwK+1tF3p8iw)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Agent.CVA!tr.dldr
AVG CrypterX-gen [Trj]
CrowdStrike win/malicious_confidence_90% (W)

How to remove MSIL/TrojanDownloader.Agent.NAG?

  • 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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