Written by Robert Bailey

What is MSIL/TrojanDropper.Agent.AQJ infection?

In this post you will find about the definition of MSIL/TrojanDropper.Agent.AQJ as well as its unfavorable effect on your computer. Such ransomware are a kind of malware that is elaborated by online fraudulences to demand paying the ransom by a target.

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Most of the situations, MSIL/TrojanDropper.Agent.AQJ ransomware will certainly advise its victims to start funds move for the purpose of counteracting the amendments that the Trojan infection has presented to the sufferer’s gadget.

MSIL/TrojanDropper.Agent.AQJ Summary

These alterations can be as complies with:

  • Executable code extraction;
  • Creates RWX memory;
  • Reads data out of its own binary image;
  • The binary likely contains encrypted or compressed data.;
  • Uses Windows utilities for basic functionality;
  • Sniffs keystrokes;
  • Exhibits behavior characteristic of iSpy Keylogger;
  • Installs itself for autorun at Windows startup;
  • Creates a copy of itself;
  • Ciphering the papers located on the target’s hard drive — so the sufferer can no more utilize the information;
  • Preventing routine accessibility to the target’s workstation;

Related domains: Ransom:Win32/Blocker.c83a5eaf


One of the most regular networks where MSIL/TrojanDropper.Agent.AQJ are injected are:

  • By methods of phishing emails;
  • As a repercussion of individual winding up on a resource that organizes a harmful software application;

As quickly as the Trojan is effectively infused, it will either cipher the information on the victim’s computer or protect against the device from functioning in an appropriate fashion – while additionally placing a ransom note that states the demand for the victims to effect the settlement for the purpose of decrypting the papers or recovering the documents system back to the first condition. In many circumstances, the ransom money note will certainly turn up when the customer restarts the PC after the system has actually currently been harmed.

MSIL/TrojanDropper.Agent.AQJ distribution channels.

In numerous edges of the globe, MSIL/TrojanDropper.Agent.AQJ expands by leaps and bounds. However, the ransom notes as well as techniques of obtaining the ransom money amount might vary relying on specific regional (local) setups. The ransom money notes and techniques of extorting the ransom quantity may vary depending on particular regional (local) settings.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software application.

    In particular areas, the Trojans typically wrongfully report having spotted some unlicensed applications enabled on the sufferer’s tool. The alert after that demands the customer to pay the ransom money.

    Faulty statements concerning illegal web content.

    In nations where software program piracy is much less popular, this technique is not as effective for the cyber frauds. Alternatively, the MSIL/TrojanDropper.Agent.AQJ popup alert might falsely declare to be deriving from a law enforcement organization as well as will report having situated youngster pornography or other unlawful data on the device.

    MSIL/TrojanDropper.Agent.AQJ popup alert might wrongly assert to be deriving from a regulation enforcement institution and also will report having situated kid porn or various other prohibited data on the gadget. The alert will similarly contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 5E8188BB
md5: 80aa6a35041efc36bfc83880306be613
name: 80AA6A35041EFC36BFC83880306BE613.mlw
sha1: dc76776f754426dc5b1d02cc82662e74dc6044fe
sha256: 25ac3a06a3a9345afb5350e805ad849c644bb5fd7502f313cbacc1d0d43ebf9b
sha512: e0058acade3a0f5edd4d72ae0ab953b9a4bd4e1cba87e7eb06783011b0871bb049362a80773c869ec9ea7e90c33b9f7a9ca4a2d7b2a8e5825ed9fcd241c008b2
ssdeep: 6144:uQ7JyTSeRSXBg7Ej53L9A7DLbambWSuTR:B7J6amU53G7DLbFbW9
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Microsoft 2016
Assembly Version:
InternalName: cholsten0.exe
CompanyName: Microsoft
ProductName: cholsten0
FileDescription: cholsten0
OriginalFilename: cholsten0.exe

MSIL/TrojanDropper.Agent.AQJ also known as:

GridinSoft Trojan.Ransom.Gen
Lionic Trojan.Win32.Blocker.j!c
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader19.37002
ALYac Gen:Variant.MSILPerseus.227296
Cylance Unsafe
Zillya Trojan.Blocker.Win32.35477
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Blocker.c83a5eaf
K7GW Trojan ( 0049b0ec1 )
K7AntiVirus Trojan ( 0049b0ec1 )
Symantec Backdoor.Ratenjay
ESET-NOD32 a variant of MSIL/TrojanDropper.Agent.AQJ
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 99)
Kaspersky Trojan-Ransom.Win32.Blocker.jjlb
BitDefender Gen:Variant.MSILPerseus.227296
NANO-Antivirus Trojan.Win32.Drop.dkmxxh
MicroWorld-eScan Gen:Variant.MSILPerseus.227296
Tencent Win32.Trojan.Blocker.Dzju
Ad-Aware Gen:Variant.MSILPerseus.227296
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZemsilF.34142.oq0@ai0PNzc
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Generic.aef
Emsisoft Gen:Variant.MSILPerseus.227296 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1111861
eGambit Unsafe.AI_Score_96%
Antiy-AVL Trojan/Generic.ASMalwS.19D1EC7
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Backdoor:MSIL/Bladabindi
Arcabit Trojan.MSILPerseus.D377E0
GData Gen:Variant.MSILPerseus.227296
AhnLab-V3 Trojan/Win32.HDC.C633163
McAfee Generic.aef
MAX malware (ai score=82)
VBA32 TScope.Trojan.MSIL
Panda Trj/GdSda.A
Yandex Trojan.Blocker!3OuVmy6hLX4
Ikarus Trojan.MSIL.Crypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/TrojanDropper.JQ!tr
AVG Win32:Malware-gen

How to remove MSIL/TrojanDropper.Agent.AQJ ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for MSIL/TrojanDropper.Agent.AQJ files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove MSIL/TrojanDropper.Agent.AQJ you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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