Written by Robert Bailey

What is MSIL/Agent.DEK infection?

In this article you will discover regarding the interpretation of MSIL/Agent.DEK and its adverse impact on your computer system. Such ransomware are a form of malware that is elaborated by on the internet fraudulences to require paying the ransom money by a victim.

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In the majority of the cases, MSIL/Agent.DEK virus will instruct its victims to launch funds move for the objective of neutralizing the amendments that the Trojan infection has actually presented to the sufferer’s gadget.

MSIL/Agent.DEK Summary

These adjustments can be as complies with:

  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the sufferer’s hard disk — so the target can no more utilize the data;
  • Preventing normal accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


One of the most regular channels through which MSIL/Agent.DEK Trojans are injected are:

  • By ways of phishing e-mails;
  • As an effect of individual ending up on a source that organizes a destructive software program;

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 operating in a correct way – while additionally putting a ransom note that points out the requirement for the victims to impact the payment for the function of decrypting the papers or recovering the file system back to the first condition. In a lot of circumstances, the ransom money note will certainly show up when the customer restarts the COMPUTER after the system has actually already been harmed.

MSIL/Agent.DEK distribution channels.

In different corners of the world, MSIL/Agent.DEK expands by jumps and bounds. Nonetheless, the ransom money notes and methods of obtaining the ransom money quantity may differ relying on specific local (local) settings. The ransom money notes and tricks of extorting the ransom money quantity might differ depending on specific regional (regional) settings.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software application.

    In certain locations, the Trojans often wrongfully report having identified some unlicensed applications enabled on the victim’s device. The alert after that requires the customer to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In countries where software program piracy is much less preferred, this method is not as reliable for the cyber frauds. Alternatively, the MSIL/Agent.DEK popup alert might falsely declare to be originating from a police institution as well as will certainly report having situated kid porn or various other prohibited information on the gadget.

    MSIL/Agent.DEK popup alert may falsely declare to be obtaining from a law enforcement institution as well as will report having situated kid pornography or other unlawful information on the gadget. The alert will similarly have a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: DAE44953
md5: 5d1df2995bd1b54b98368d2287d34713
name: 5D1DF2995BD1B54B98368D2287D34713.mlw
sha1: 9224f9b5d4ce3cbfdd6a6a2d8bafe2b793b7bb77
sha256: 4ec5daf7a8efa9899b7e61a01d5ee1168a78f07b11e9060fad9907b51977a266
sha512: 5b625be90ebcff8d7101fa3d5820d7005497f97e130b8414e10a1372825da7ce972c3ad6b32ad02c1c98b367c18e9568b63cec52d39789ca2ee7b595cb07c3d3
ssdeep: 96:PHKyS0R9xJM2tJCZ15dHzr8+yi0+x3T8O8CTMhsuBMgutC0MKC0MX/Gn44khzNt:/KF01MHn8fCoeujOn4jj
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2020
Assembly Version:
InternalName: client_connector.exe
ProductName: client_connector
FileDescription: client_connector
OriginalFilename: client_connector.exe

MSIL/Agent.DEK also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.GenericKD.35977244
CAT-QuickHeal Trojan.Multi
ALYac Trojan.GenericKD.35977244
Cylance Unsafe
AegisLab Trojan.Multi.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan ( 00575d581 )
BitDefender Trojan.GenericKD.35977244
K7GW Trojan ( 00575d581 )
Cybereason malicious.95bd1b
Cyren W32/Trojan.VRMI-5338
Symantec Trojan.Gen.MBT
APEX Malicious
Kaspersky HEUR:Backdoor.MSIL.Agent.gen
Alibaba Backdoor:MSIL/Generic.62d494d9
NANO-Antivirus Trojan.Win32.Dwn.ietmiq
ViRobot Trojan.Win32.S.Agent.9728.AYN
Tencent Msil.Backdoor.Agent.Swbl
Ad-Aware Trojan.GenericKD.35977244
Sophos Mal/Generic-S
Comodo Malware@#189h42xd4ywia
F-Secure Trojan.TR/Downloader.Gen
DrWeb Trojan.DownLoader36.32310
TrendMicro TROJ_GEN.R067C0PA521
McAfee-GW-Edition RDN/GenericM
Emsisoft Trojan.GenericKD.35977244 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Malware.Gen
Avira TR/Downloader.Gen
Antiy-AVL Trojan/Win32.Generic
Kingsoft Win32.Hack.Undef.(kcloud)
Microsoft Trojan:Win32/Bluteal!rfn
Gridinsoft Ransom.Win32.Wacatac.oa
Arcabit Trojan.Generic.D224F81C
ZoneAlarm HEUR:Backdoor.MSIL.Agent.gen
GData Trojan.GenericKD.35977244
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.RL_Generic.C4291209
McAfee RDN/GenericM
VBA32 TScope.Trojan.MSIL
Malwarebytes Trojan.Agent
Panda Trj/GdSda.A
ESET-NOD32 a variant of MSIL/Agent.DEK
TrendMicro-HouseCall TROJ_GEN.R067C0PA521
Rising Trojan.Agent!8.B1E (TFE:C:IdBeFHfOuLF)
Yandex Trojan.DL.Agent!9mHxp4KE7T4
Ikarus Trojan-Downloader
Fortinet Malicious_Behavior.SB
BitDefenderTheta Gen:NN.ZemsilF.34760.am0@aqlOVJb
AVG Win32:Malware-gen
Avast Win32:Malware-gen
CrowdStrike win/malicious_confidence_60% (D)
Qihoo-360 Generic/Backdoor.121

How to remove MSIL/Agent.DEK 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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/Agent.DEK 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/Agent.DEK 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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