What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is MSIL/Kryptik.XJA infection?

In this article you will locate regarding the definition of MSIL/Kryptik.XJA and also its unfavorable effect on your computer. Such ransomware are a type of malware that is clarified by on the internet frauds to demand paying the ransom by a victim.

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In the majority of the situations, MSIL/Kryptik.XJA ransomware will certainly advise its targets to start funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually presented to the sufferer’s gadget.

MSIL/Kryptik.XJA Summary

These modifications can be as adheres to:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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.
  • Ciphering the files situated on the victim’s hard drive — so the sufferer can no more make use of the information;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains Trojan.Ransom.HiddenTear


The most normal networks through which MSIL/Kryptik.XJA Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of user ending up on a source that organizes a destructive software program;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the victim’s computer or protect against the tool from working in a correct fashion – while likewise placing a ransom note that mentions the requirement for the victims to effect the settlement for the function of decrypting the papers or restoring the documents system back to the preliminary condition. In a lot of instances, the ransom money note will show up when the customer restarts the PC after the system has actually currently been harmed.

MSIL/Kryptik.XJA distribution networks.

In numerous corners of the world, MSIL/Kryptik.XJA grows by jumps and also bounds. Nonetheless, the ransom money notes and also methods of extorting the ransom amount may vary relying on specific local (local) settings. The ransom notes as well as techniques of extorting the ransom quantity might differ depending on certain neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In specific locations, the Trojans commonly wrongfully report having identified some unlicensed applications made it possible for on the victim’s gadget. The alert then demands the customer to pay the ransom money.

    Faulty statements concerning unlawful material.

    In countries where software application piracy is much less popular, this technique is not as reliable for the cyber fraudulences. Conversely, the MSIL/Kryptik.XJA popup alert may wrongly claim to be deriving from a police institution and also will report having situated youngster porn or other illegal data on the gadget.

    MSIL/Kryptik.XJA popup alert might wrongly declare to be acquiring from a law enforcement institution and also will certainly report having located child porn or other illegal data on the device. The alert will likewise consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 57DB4CA5
md5: 1448848a9cf2f826201e593c662ffc90
name: upload_file
sha1: 06838203f3c33651743e7c10997410f58a9cb492
sha256: 1ab4d38df05aab586233443ad5babd2f944214f08d7d28743e9ca3ec2a3875df
sha512: a85f6671616a37fcac54cebc911667740a6426296e436de0af08b80cb3eb78178ce355724aa30f366017df5aebc2bf5c35e4499ff0f790fb3d8397963255a8b8
ssdeep: 12288:Df4EcmZHAFaxmVmie9bngPtn/mfalFoxObBABrSbLbT+0iw2hYqtTQQt6FQZdAA:D4EcmZHAFaxmVmie9bngPxuyQxOFABr
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2017-2012 MDG
Assembly Version:
InternalName: ptK.exe
CompanyName: Medical Lab gent
Comments: CPE200 Lab1
ProductName: CPE200 Lab1
FileDescription: CPE200 Lab1
OriginalFilename: ptK.exe

MSIL/Kryptik.XJA also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKDZ.69508
CAT-QuickHeal Trojan.MSIL
ALYac Trojan.Ransom.HiddenTear
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Multi.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan ( 0056ca511 )
BitDefender Trojan.GenericKDZ.69508
K7GW Trojan ( 0056ca511 )
Cybereason malicious.3f3c33
Invincea heuristic
BitDefenderTheta Gen:NN.ZemsilF.34196.Mm0@aihhlt
Cyren W32/MSIL_Kryptik.BKS.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Kryptik.XJA
TrendMicro-HouseCall Trojan.Win32.NYMERIA.USXVPHH20
Kaspersky HEUR:Trojan.MSIL.Taskun.gen
Alibaba Trojan:MSIL/Taskun.0d642d5c
ViRobot Trojan.Win32.Z.Taskun.636416.A
Rising Trojan.GenKryptik!8.AA55 (CLOUD)
Ad-Aware Trojan.GenericKDZ.69508
Comodo TrojWare.Win32.Genome.agent@0
F-Secure Trojan.TR/Kryptik.zbzoi
DrWeb Trojan.PackedNET.405
TrendMicro Trojan.Win32.NYMERIA.USXVPHH20
SentinelOne DFI – Malicious PE
Sophos Mal/Generic-S
APEX Malicious
eGambit Unsafe.AI_Score_100%
Avira TR/Kryptik.zbzoi
MAX malware (ai score=100)
Antiy-AVL Trojan/MSIL.Kryptik
Microsoft Trojan:Win32/Ymacco.AA1A
Arcabit Trojan.Generic.D10F84
SUPERAntiSpyware Trojan.Agent/Gen-Injector
AhnLab-V3 Trojan/Win32.Kryptik.R348105
ZoneAlarm HEUR:Trojan.MSIL.Taskun.gen
GData Trojan.GenericKDZ.69508
Cynet Malicious (score: 85)
McAfee RDN/
VBA32 TScope.Trojan.MSIL
Malwarebytes Ransom.HiddenTear
Tencent Msil.Trojan.Taskun.Dvzs
Ikarus Trojan.MSIL.Crypt
Fortinet MSIL/GenKryptik.EQMX!tr
AVG Win32:PWSX-gen [Trj]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Generic/Trojan.477

How to remove MSIL/Kryptik.XJA 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/Kryptik.XJA 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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If the guide doesn’t help you to remove MSIL/Kryptik.XJA 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

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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