Written by Robert Bailey

What is Win32/GenKryptik.CJOT infection?

In this post you will discover concerning the definition of Win32/GenKryptik.CJOT and also its negative impact on your computer system. Such ransomware are a form of malware that is specified by online fraudulences to demand paying the ransom money by a target.

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Most of the cases, Win32/GenKryptik.CJOT virus will certainly advise its sufferers to launch funds transfer for the function of reducing the effects of the modifications that the Trojan infection has actually introduced to the target’s gadget.

Win32/GenKryptik.CJOT Summary

These alterations can be as complies with:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to delete volume shadow copies;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers situated on the sufferer’s hard drive — so the target can no more utilize the information;
  • Preventing regular accessibility to the sufferer’s workstation;


The most normal channels through which Win32/GenKryptik.CJOT are injected are:

  • By methods of phishing emails;
  • As a consequence of customer winding up on a resource that hosts a harmful software;

As soon as the Trojan is efficiently infused, it will either cipher the data on the victim’s computer or stop the gadget from operating in an appropriate fashion – while likewise positioning a ransom note that points out the requirement for the sufferers to impact the repayment for the objective of decrypting the papers or bring back the documents system back to the initial condition. In a lot of instances, the ransom money note will certainly show up when the client reboots the COMPUTER after the system has actually already been harmed.

Win32/GenKryptik.CJOT circulation networks.

In various edges of the world, Win32/GenKryptik.CJOT grows by jumps and also bounds. However, the ransom money notes as well as tricks of extorting the ransom money quantity might differ relying on certain regional (regional) setups. The ransom money notes as well as techniques of extorting the ransom money amount might vary depending on specific regional (local) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software.

    In certain areas, the Trojans frequently wrongfully report having actually found some unlicensed applications enabled on the sufferer’s tool. The alert then requires the user to pay the ransom money.

    Faulty statements concerning illegal material.

    In nations where software piracy is much less preferred, this approach is not as efficient for the cyber frauds. Conversely, the Win32/GenKryptik.CJOT popup alert might wrongly assert to be deriving from a police institution and will certainly report having situated child pornography or various other illegal data on the tool.

    Win32/GenKryptik.CJOT popup alert may falsely assert to be obtaining from a regulation enforcement establishment as well as will certainly report having situated child porn or various other unlawful data on the device. The alert will likewise include a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 4C8A415D
md5: ea0258e51a91784465f950241bd00b04
name: EA0258E51A91784465F950241BD00B04.mlw
sha1: 29d58fd92d8ab2cc14f629b433d82cbb0421bcc2
sha256: 813ca50052bb2757a77e981a0d2e3775becf72b4917eb0f0ba5a8bf7819a2320
sha512: 34b0f0d625c2f93831976b2dd2af1e2598e6b0a8530140633388f2b0dd2edd083c42b17371045461d96a6ceac4ace96353a7d3569beb2f062f6ba04303846e98
ssdeep: 24576:k1U5GBuucnRkNyslXgX7RUGIaCQsk7QGnNLqnZCuQ5O3h3fMtb2Kv1bH:P5GBBYX7dIwJqnMtb2e1bH
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/GenKryptik.CJOT also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0051a8021 )
DrWeb Trojan.Encoder.3953
Cynet Malicious (score: 85)
ALYac Trojan.Ransom.Crysis
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.188472
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Ransom:Win32/Crusis.007b1d65
K7GW Trojan ( 0051a8021 )
Cybereason malicious.51a917
Cyren W32/Crusis.TOPS-2788
Symantec Ransom.Crysis
ESET-NOD32 a variant of Win32/GenKryptik.CJOT
Zoner Trojan.Win32.70892
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Trojan-Ransom.Win32.Crusis.cro
BitDefender Gen:Variant.Ransom.Crysis.97
NANO-Antivirus Trojan.Win32.Filecoder.fhcudb
MicroWorld-eScan Gen:Variant.Ransom.Crysis.97
Tencent Malware.Win32.Gencirc.114d172e
Ad-Aware Gen:Variant.Ransom.Crysis.97
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZexaF.34628.L9Z@amY27fj
VIPRE Trojan.Win32.Generic!BT
FireEye Gen:Variant.Ransom.Crysis.97
Emsisoft Gen:Variant.Ransom.Crysis.97 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Crusis.vs
Avira TR/AD.Crysis.pgmeu
Microsoft Program:Win32/Unwaders.C!rfn
Arcabit Trojan.Ransom.Crysis.97
AegisLab Trojan.Win32.Crusis.j!c
GData Gen:Variant.Ransom.Crysis.97
McAfee Artemis!EA0258E51A91
VBA32 TrojanRansom.Crusis
Malwarebytes Ransom.Crysis
Panda Trj/GdSda.A
Rising Worm.Win32.FTP/BitCoinMiner-Botnet!1.ACDC (CLOUD)
Yandex Trojan.Crusis!1IlmTfnRibI
Ikarus Trojan.Win32.Meterpreter
Fortinet W32/GenKryptik.CJOT!tr
AVG Win32:Trojan-gen
Qihoo-360 Win32/Trojan.Ransom.c65

How to remove Win32/GenKryptik.CJOT virus?

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/GenKryptik.CJOT 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/GenKryptik.CJOT you can always ask me in the comments for getting help.

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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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