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

What is Win32/Kryptik.GJXX infection?

In this article you will find about the definition of Win32/Kryptik.GJXX and its unfavorable influence on your computer system. Such ransomware are a form of malware that is elaborated by online fraudulences to require paying the ransom by a sufferer.

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In the majority of the situations, Win32/Kryptik.GJXX virus will instruct its victims to initiate funds move for the function of neutralizing the changes that the Trojan infection has introduced to the target’s tool.

Win32/Kryptik.GJXX Summary

These modifications can be as adheres to:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the sufferer’s disk drive — so the victim can no longer utilize the information;
  • Preventing normal access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


The most normal networks whereby Win32/Kryptik.GJXX Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As an effect of customer ending up on a resource that organizes a destructive software application;

As quickly as the Trojan is successfully infused, it will either cipher the data on the victim’s computer or prevent the gadget from operating in a proper fashion – while likewise positioning a ransom money note that discusses the need for the victims to effect the repayment for the purpose of decrypting the files or bring back the data system back to the preliminary problem. In a lot of circumstances, the ransom money note will show up when the client restarts the COMPUTER after the system has currently been harmed.

Win32/Kryptik.GJXX distribution channels.

In numerous corners of the world, Win32/Kryptik.GJXX expands by leaps and bounds. Nonetheless, the ransom money notes and tricks of obtaining the ransom amount might differ relying on certain neighborhood (local) setups. The ransom money notes as well as techniques of obtaining the ransom money amount may vary depending on certain neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software program.

    In particular areas, the Trojans commonly wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s gadget. The sharp then requires the user to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In nations where software application piracy is much less prominent, this approach is not as efficient for the cyber scams. Alternatively, the Win32/Kryptik.GJXX popup alert might wrongly claim to be stemming from a law enforcement institution as well as will certainly report having situated kid pornography or various other illegal information on the gadget.

    Win32/Kryptik.GJXX popup alert may incorrectly assert to be acquiring from a legislation enforcement institution and will certainly report having located youngster porn or various other prohibited information on the tool. The alert will in a similar way include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 87E0B0CD
md5: def3f7d6dba88323302ff9683fcb55bf
name: DEF3F7D6DBA88323302FF9683FCB55BF.mlw
sha1: 6c9aecca267e18daa973d8cdef89d0bdce0beee5
sha256: 9d2411604d1f80b64616b21b689680516400b468afe9f0597ab1a7e67bba11f1
sha512: c5e50a7422c5912dc5f3fbeadc47be04751fad0ce67ced2278b034cd47260cad1b7fb21dc23c899141dea623a428c161dceabd48b18d3731ff8e489f7c22def3
ssdeep: 6144:MYe2Neh60BtGbAn/2tpNdgcOHuNvbOFJy99GUM8Hbl1WVN1Ne:owe1GqqjdgcgMbOI931bl16Ve
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9SeriousBit 2000 - 2014 KG and its Licensors
InternalName: SaturateSimon
CompanyName: SeriousBit
FileDescription: Los Netblogslaurasync Ignre Overview
LegalTrademarks: Copyright xa9SeriousBit 2000 - 2014 KG and its Licensors
Comments: Los Netblogslaurasync Ignre Overview
ProductName: SaturateSimon
Languages: English
OriginalFilename: SaturateSimon
Translation: 0x0409 0x04b0

Win32/Kryptik.GJXX also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0053adc61 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.3953
Cynet Malicious (score: 100)
ALYac Trojan.Ransomware.GenericKD.32321342
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.154953
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Ransom:Win32/generic.ali2000010
K7GW Trojan ( 0053adc61 )
Cybereason malicious.6dba88
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.GJXX
APEX Malicious
Avast Win32:Malware-gen
BitDefender Trojan.Ransomware.GenericKD.32321342
NANO-Antivirus Trojan.Win32.Encoder.fhrswc
SUPERAntiSpyware Trojan.Agent/Gen-Downloader
MicroWorld-eScan Trojan.Ransomware.GenericKD.32321342
Tencent Win32.Trojan.Encoder.Wxhr
Ad-Aware Trojan.Ransomware.GenericKD.32321342
Sophos Mal/Generic-S
Comodo Malware@#1m5jq7gje2vxj
VIPRE Trojan.Win32.Generic!BT
Emsisoft Trojan.Ransomware.GenericKD.32321342 (B)
Webroot W32.Malware.Gen
Avira TR/Kryptik.fnooz
eGambit Unsafe.AI_Score_98%
Antiy-AVL Trojan/Generic.ASMalwS.27B7FC9
Microsoft Trojan:Win32/Glupteba!ml
Arcabit Trojan.Ransomware.Generic.D1ED2F3E
AegisLab Trojan.Win32.Encoder.j!c
GData Trojan.Ransomware.GenericKD.32321342
AhnLab-V3 Trojan/Win32.Ransom.R234709
Acronis suspicious
McAfee Artemis!DEF3F7D6DBA8
MAX malware (ai score=100)
Panda Trj/GdSda.A
Rising Ransom.Encoder!8.FFD4 (CLOUD)
Yandex Trojan.Encoder!KW+2Bd2kPO0
Ikarus Trojan.Win32.Krypt
Fortinet W32/Kryptik.GKUA!tr.ransom
AVG Win32:Malware-gen

How to remove Win32/Kryptik.GJXX ransomware?

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 Win32/Kryptik.GJXX 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 Win32/Kryptik.GJXX you can always ask me in the comments for getting help.

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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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