Written by Robert Bailey

What is MSIL/Kryptik.ZDK infection?

In this article you will find regarding the definition of MSIL/Kryptik.ZDK and also its adverse influence on your computer system. Such ransomware are a form of malware that is elaborated by on the internet fraudulences to demand paying the ransom by a victim.

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Most of the situations, MSIL/Kryptik.ZDK ransomware will certainly advise its sufferers to launch funds move for the objective of counteracting the changes that the Trojan infection has introduced to the target’s tool.

MSIL/Kryptik.ZDK Summary

These adjustments can be as complies with:

  • The binary likely contains encrypted or compressed data.;
  • Network activity detected but not expressed in API logs;
  • Ciphering the documents located on the victim’s hard drive — so the sufferer can no more utilize the information;
  • Preventing regular access to the sufferer’s workstation;


One of the most regular channels through which MSIL/Kryptik.ZDK Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of customer ending up on a source that holds a destructive software;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the victim’s PC or stop the gadget from functioning in a proper fashion – while likewise putting a ransom money note that discusses the requirement for the victims to impact the settlement for the objective of decrypting the documents or restoring the data system back to the initial condition. In the majority of circumstances, the ransom money note will show up when the customer reboots the COMPUTER after the system has actually currently been damaged.

MSIL/Kryptik.ZDK circulation networks.

In numerous edges of the globe, MSIL/Kryptik.ZDK expands by leaps and also bounds. Nonetheless, the ransom money notes and techniques of obtaining the ransom quantity may differ depending upon specific neighborhood (regional) settings. The ransom money notes and tricks of obtaining the ransom money amount may vary depending on certain neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having identified some unlicensed applications enabled on the victim’s device. The alert then requires the individual to pay the ransom.

    Faulty declarations concerning prohibited material.

    In nations where software application piracy is much less prominent, this method is not as efficient for the cyber scams. Conversely, the MSIL/Kryptik.ZDK popup alert might wrongly assert to be deriving from a law enforcement institution and will report having situated youngster pornography or other unlawful information on the gadget.

    MSIL/Kryptik.ZDK popup alert might wrongly claim to be obtaining from a regulation enforcement organization and also will certainly report having situated child porn or other unlawful data on the gadget. The alert will similarly have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: F2446C1A
md5: e543e4186cfa5aab2f2f64aed03139f9
name: E543E4186CFA5AAB2F2F64AED03139F9.mlw
sha1: e6472216427fd9e69a699730b94eb7074c9c354c
sha256: 6e15cb6bdde40a6e89952a1c54cb27bf39becf29160f965e7efe743bce4629dd
sha512: e50c38d87927c86e060548d1409eab66eb29a4541376ca0191f4a4274b1d76d5d7110c670cf4c55b7eedc26d0f651ac689a4bd936992663c3d3d83f38019773e
ssdeep: 24576:MhpZ1pUpMxVWVkELe6E17muYGwgmDrlG59F:4xUPVz217m/hxK
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Napster 1998
Assembly Version:
InternalName: AppContextDefaultValues.exe
CompanyName: Napster
Comments: Shawn Fanning, Sean Parker
ProductName: student-ims
FileDescription: student-ims
OriginalFilename: AppContextDefaultValues.exe

MSIL/Kryptik.ZDK also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.45233963
ALYac Trojan.Agent.FormBook
Cylance Unsafe
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.45233963
K7GW Riskware ( 0040eff71 )
Cybereason malicious.6427fd
Cyren W32/Trojan.CBFO-0803
Symantec Ransom.Wannacry
APEX Malicious
Kaspersky HEUR:Trojan.MSIL.Crypt.gen
Alibaba Trojan:MSIL/Tnega.97098735
ViRobot Trojan.Win32.Z.Agent.863744.BM
AegisLab Trojan.Multi.Generic.4!c
Avast Win32:MalwareX-gen [Trj]
Ad-Aware Trojan.GenericKD.45233963
Emsisoft Trojan.Crypt (A)
Comodo Malware@#3bzy1r9sifopu
F-Secure Trojan.TR/AD.Swotter.oftsr
DrWeb Trojan.Inject4.6387
Sophos Mal/Generic-R + Troj/Kryptik-PQ
Ikarus Trojan.Inject
Avira TR/AD.Swotter.oftsr
Microsoft Trojan:MSIL/Tnega.BK!MTB
Arcabit Trojan.Generic.D2B2372B
ZoneAlarm HEUR:Trojan.MSIL.Crypt.gen
GData Trojan.GenericKD.45233963
Cynet Malicious (score: 100)
McAfee RDN/Formbook
MAX malware (ai score=100)
Malwarebytes Spyware.TelegramBot
ESET-NOD32 a variant of MSIL/Kryptik.ZDK
TrendMicro-HouseCall TrojanSpy.MSIL.BTCWARE.USMANLV20
Tencent Msil.Trojan.Crypt.Airj
SentinelOne Static AI – Malicious PE
Fortinet Malicious_Behavior.SB
BitDefenderTheta Gen:NN.ZemsilF.34700.0q0@aaFUDep
AVG Win32:MalwareX-gen [Trj]
Panda Trj/GdSda.A
Qihoo-360 Generic/Trojan.21a

How to remove MSIL/Kryptik.ZDK 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/Kryptik.ZDK 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/Kryptik.ZDK 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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