Written by Robert Bailey

What is MSIL/TrojanDownloader.Small.AOK infection?

In this article you will find regarding the interpretation of MSIL/TrojanDownloader.Small.AOK as well as its unfavorable influence on your computer system. Such ransomware are a form of malware that is specified by on-line fraudulences to require paying the ransom money by a target.

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In the majority of the situations, MSIL/TrojanDownloader.Small.AOK virus will certainly advise its sufferers to launch funds move for the objective of reducing the effects of the amendments that the Trojan infection has actually presented to the victim’s gadget.

MSIL/TrojanDownloader.Small.AOK Summary

These modifications can be as adheres to:

  • Ciphering the files situated on the target’s hard disk drive — so the victim can no more make use of the information;
  • Preventing routine access to the victim’s workstation;


The most normal channels through which MSIL/TrojanDownloader.Small.AOK are infused are:

  • By methods of phishing e-mails;
  • As an effect of individual winding up on a source that hosts a harmful software;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s computer or prevent the tool from functioning in an appropriate manner – while additionally putting a ransom money note that points out the requirement for the sufferers to effect the settlement for the purpose of decrypting the records or restoring the file system back to the initial condition. In a lot of circumstances, the ransom money note will certainly turn up when the client restarts the COMPUTER after the system has currently been damaged.

MSIL/TrojanDownloader.Small.AOK circulation networks.

In different edges of the globe, MSIL/TrojanDownloader.Small.AOK grows by jumps and also bounds. Nonetheless, the ransom notes as well as tricks of extorting the ransom money quantity may differ depending on particular neighborhood (local) setups. The ransom notes and also tricks of obtaining the ransom amount might vary depending on particular neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having actually identified some unlicensed applications enabled on the target’s tool. The alert after that demands the individual to pay the ransom.

    Faulty declarations about unlawful material.

    In countries where software piracy is much less preferred, this approach is not as effective for the cyber scams. Alternatively, the MSIL/TrojanDownloader.Small.AOK popup alert might wrongly claim to be deriving from a police institution and will certainly report having located youngster pornography or other prohibited data on the device.

    MSIL/TrojanDownloader.Small.AOK popup alert may incorrectly declare to be acquiring from a law enforcement organization and will report having located kid pornography or other prohibited information on the tool. The alert will in a similar way include a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 0B2B846F
md5: a85a1e203bcd40222a70340f355ff450
name: A85A1E203BCD40222A70340F355FF450.mlw
sha1: 433cbe1514426fbdfbbea9257fb38c24ad194c92
sha256: 195ae450bebbf292cbecf6ef0d155b8da611348574a05543a57f1a51beb21f9d
sha512: 76f614f5ff2a4397c864b9942fb9cc518a2472a4b999b34016e794d4ac58b054c0cd48c4fa7e1b39a5084cd5011c163d51258b1946313217ccddea20db69bbcf
ssdeep: 1536:usItH6lCH2fh438MqAqbnzWZnqxMQP8ZOs0J:u9tH6gH2p438MqAqbnu/gB
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: 5ded2341-eef1-49ab-90ac-a7f613140ba2
Assembly Version:
InternalName: YouNow.exe
CompanyName: 5ded2341-eef1-49ab-90ac-a7f613140ba2
LegalTrademarks: 5ded2341-eef1-49ab-90ac-a7f613140ba2
Comments: 5ded2341-eef1-49ab-90ac-a7f613140ba2
ProductName: 5ded2341-eef1-49ab-90ac-a7f613140ba2
FileDescription: 5ded2341-eef1-49ab-90ac-a7f613140ba2
OriginalFilename: YouNow.exe

MSIL/TrojanDownloader.Small.AOK also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan-Downloader ( 005696a41 )
Lionic Trojan.MSIL.Generic.4!c
DrWeb Trojan.DownloaderNET.2
Cynet Malicious (score: 99)
ALYac Generic.MSIL.DownloaderB.306719DE
Cylance Unsafe
Zillya Downloader.Small.Win32.106556
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Backdoor:MSIL/DwnLdr.25336e83
K7GW Trojan-Downloader ( 005696a41 )
Cybereason malicious.03bcd4
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/TrojanDownloader.Small.AOK
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Backdoor.MSIL.Generic
BitDefender Generic.MSIL.DownloaderB.306719DE
NANO-Antivirus Trojan.Win32.Small.etqsyy
MicroWorld-eScan Generic.MSIL.DownloaderB.306719DE
Tencent Msil.Backdoor.Generic.Lmko
Ad-Aware Generic.MSIL.DownloaderB.306719DE
Sophos Mal/Generic-R + Mal/DwnLdr-AW
Comodo Malware@#15cn45ek4i2p9
F-Secure Heuristic.HEUR/AGEN.1101238
BitDefenderTheta Gen:NN.ZemsilF.34236.eq0@a8Y3pup
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R002C0RJV21
McAfee-GW-Edition Artemis!Trojan
Emsisoft Generic.MSIL.DownloaderB.306719DE (B)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor.MSIL.tmq
Avira HEUR/AGEN.1101238
eGambit Trojan.Generic
Antiy-AVL Trojan/Generic.ASMalwS.224D926
Microsoft Backdoor:Win32/Bladabindi!ml
ZoneAlarm HEUR:Backdoor.MSIL.Generic
GData Generic.MSIL.DownloaderB.306719DE
McAfee Artemis!A85A1E203BCD
MAX malware (ai score=99)
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_GEN.R002C0RJV21
Yandex Trojan.DL.Small!e5Hg0bN7XX0
Ikarus Trojan-Ransom.Blocker
Fortinet MSIL/Agent.CUA!tr.dldr
AVG Win32:Malware-gen

How to remove MSIL/TrojanDownloader.Small.AOK 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/TrojanDownloader.Small.AOK 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/TrojanDownloader.Small.AOK 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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