Written by Robert Bailey

What is MSIL/TrojanDropper.Agent.AJN infection?

In this short article you will locate regarding the interpretation of MSIL/TrojanDropper.Agent.AJN as well as its negative impact on your computer. Such ransomware are a kind of malware that is elaborated by online fraudulences to require paying the ransom money by a sufferer.

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Most of the situations, MSIL/TrojanDropper.Agent.AJN virus will advise its targets to initiate funds transfer for the objective of counteracting the amendments that the Trojan infection has actually introduced to the victim’s gadget.

MSIL/TrojanDropper.Agent.AJN Summary

These adjustments can be as adheres to:

  • Executable code extraction;
  • Creates RWX memory;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • Uses Windows utilities for basic functionality;
  • Sniffs keystrokes;
  • Installs itself for autorun at Windows startup;
  • Ciphering the papers found on the victim’s hard disk — so the target can no more make use of the data;
  • Preventing routine access to the sufferer’s workstation;

Related domains: Ransom:Win32/Blocker.7fd674b9 Ransom:Win32/Blocker.7fd674b9 Ransom:Win32/Blocker.7fd674b9


One of the most normal channels whereby MSIL/TrojanDropper.Agent.AJN Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of customer winding up on a source that hosts a destructive software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s computer or prevent the tool from working in a proper way – while likewise placing a ransom money note that mentions the need for the targets to impact the settlement for the function of decrypting the documents or bring back the file system back to the initial condition. In a lot of circumstances, the ransom note will certainly show up when the customer reboots the PC after the system has currently been damaged.

MSIL/TrojanDropper.Agent.AJN distribution channels.

In various corners of the world, MSIL/TrojanDropper.Agent.AJN grows by jumps and also bounds. However, the ransom money notes as well as tricks of extorting the ransom amount may vary relying on specific local (local) setups. The ransom notes and techniques of obtaining the ransom quantity might vary depending on certain neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software application.

    In specific locations, the Trojans frequently wrongfully report having identified some unlicensed applications made it possible for on the victim’s device. The alert after that demands the individual to pay the ransom.

    Faulty statements concerning illegal content.

    In countries where software program piracy is less popular, this technique is not as efficient for the cyber frauds. Additionally, the MSIL/TrojanDropper.Agent.AJN popup alert might wrongly claim to be originating from a law enforcement establishment and also will report having located child porn or other unlawful data on the gadget.

    MSIL/TrojanDropper.Agent.AJN popup alert might falsely claim to be acquiring from a regulation enforcement organization and will report having situated child porn or other unlawful data on the device. The alert will similarly consist of a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 677F4379
md5: ec45d1a67b1e431ad110d351a3bccd80
name: EC45D1A67B1E431AD110D351A3BCCD80.mlw
sha1: f77e2603588387999c8ea23b10abbeb39e7bcbe5
sha256: d16a4694e4a4b12acb0a65e776fc83ad748f8bcd0fd1bfc5f848ec55d1e86645
sha512: 71387f977b36f3f630f9893c550a889352c217479669655b36b4dfe99c862b7914fbd29608d2afb1248330e9d3a96516a3e57bb8e7781b5eccad2912eabde855
ssdeep: 6144:sO7fYPSCYhyCVH5iTXxjiaearAvbG+F349cN1tD6ab4:sObYAy2ITtj+Zp1U
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
Assembly Version:
InternalName: Sweeter.exe
OriginalFilename: Sweeter.exe

MSIL/TrojanDropper.Agent.AJN also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Riskware ( 0040eff71 )
Lionic Trojan.Win32.Blocker.j!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Razy.637536
Cylance Unsafe
Zillya Trojan.Agent.Win32.719801
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Ransom:Win32/Blocker.7fd674b9
K7GW Riskware ( 0040eff71 )
Cybereason malicious.67b1e4
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/TrojanDropper.Agent.AJN
APEX Malicious
Avast MSIL:GenMalicious-BVC [Trj]
Kaspersky Trojan-Ransom.Win32.Blocker.jhdr
BitDefender Gen:Variant.Razy.637536
NANO-Antivirus Trojan.Win32.CWE.cwjycj
MicroWorld-eScan Gen:Variant.Razy.637536
Tencent Win32.Trojan.Blocker.Alij
Ad-Aware Gen:Variant.Razy.637536
Sophos Mal/Generic-S
Comodo Malware@#3unt0hjnxdsht
BitDefenderTheta Gen:NN.ZemsilF.34142.sm0@auz32ci
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.fh
Emsisoft Gen:Variant.Razy.637536 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.qcn
Avira TR/Dropper.MSIL.Gen
Antiy-AVL Trojan/Generic.ASMalwS.95A9B6
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Backdoor:MSIL/Bladabindi.AJ
Arcabit Trojan.Razy.D9BA60
ZoneAlarm Trojan-Ransom.Win32.Blocker.jhdr
GData Gen:Variant.Razy.637536
AhnLab-V3 Trojan/Win32.FrauDrop.R161650
Acronis suspicious
McAfee Artemis!EC45D1A67B1E
MAX malware (ai score=99)
VBA32 TScope.Trojan.MSIL
Panda Generic Malware
Yandex Trojan.Blocker!FWuZ83ZuM90
Ikarus Trojan.Msil
MaxSecure Trojan.Malware.300983.susgen
Fortinet Riskware/Fam.NB
AVG MSIL:GenMalicious-BVC [Trj]

How to remove MSIL/TrojanDropper.Agent.AJN virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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.AJN 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:

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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove MSIL/TrojanDropper.Agent.AJN 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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