Win32/Kryptik.GJKN

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

What is Win32/Kryptik.GJKN infection?

In this short article you will locate regarding the definition of Win32/Kryptik.GJKN and its unfavorable impact on your computer. Such ransomware are a type of malware that is elaborated by on the internet scams to require paying the ransom by a target.

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Most of the situations, Win32/Kryptik.GJKN ransomware will instruct its targets to initiate funds move for the purpose of counteracting the modifications that the Trojan infection has actually presented to the target’s device.

Win32/Kryptik.GJKN Summary

These adjustments 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.
  • Unconventionial language used in binary resources: Vietnamese;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the victim’s hard disk — so the victim can no longer utilize the data;
  • Preventing routine access to the sufferer’s workstation;

Win32/Kryptik.GJKN

One of the most common networks where Win32/Kryptik.GJKN Ransomware are injected 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 a consequence of customer winding up on a resource that hosts a destructive software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s PC or avoid the device from functioning in a proper manner – while additionally positioning a ransom money note that states the requirement for the sufferers to effect the repayment for the objective of decrypting the files or bring back the documents system back to the preliminary condition. In many circumstances, the ransom note will show up when the client restarts the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.GJKN circulation channels.

In numerous edges of the globe, Win32/Kryptik.GJKN grows by jumps and also bounds. Nevertheless, the ransom notes and also techniques of obtaining the ransom money quantity might vary depending upon certain local (local) setups. The ransom money notes and methods of obtaining the ransom money amount may differ depending on certain neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software program.

    In particular locations, the Trojans usually wrongfully report having found some unlicensed applications made it possible for on the victim’s tool. The alert then requires the customer to pay the ransom money.

    Faulty declarations about unlawful content.

    In nations where software piracy is less prominent, this approach is not as reliable for the cyber frauds. Conversely, the Win32/Kryptik.GJKN popup alert might wrongly claim to be stemming from a law enforcement organization and will report having situated youngster porn or various other illegal information on the device.

    Win32/Kryptik.GJKN popup alert might falsely assert to be acquiring from a legislation enforcement institution as well as will report having situated child pornography or other illegal information on the tool. The alert will likewise have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 9B200F20
md5: c7508df24f0995968f4bd3c7d9a95d7b
name: C7508DF24F0995968F4BD3C7D9A95D7B.mlw
sha1: 8930d6a295e61583a2bf691e2ba182b35399ef33
sha256: 4b7db4f3f0255a579e0e51fb3fb6a542e3c8c15f7c221ce18c58450411be86e3
sha512: aee619f724814e6f7b7fb71b3a114de5b0ed1babe8302598bc162009082194b0fac3523a4f926032f885de21ba62cfb29b7e8568a231626b42960115e33260d5
ssdeep: 1536:yyQ2poZHH6eo7k9S3R58bWjg0QLDvQHwUTlh7SgZM4VuiolXVjvsLtGqnHF:yyQ2Wd+YARqRXIHwUTi6iioFJTql
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GJKN also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00532e3d1 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Stealer.24300
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ5
ALYacTrojan.GenericKDZ.46091
CylanceUnsafe
ZillyaTrojan.GenericKD.Win32.194031
SangforTrojan.Win32.Save.a
AlibabaTrojan:Win32/Gandcrab.023afb61
K7GWTrojan ( 655333331 )
Cybereasonmalicious.24f099
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GJKN
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.GenericKDZ.46091
NANO-AntivirusTrojan.Win32.Stealer.fhqvyn
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicroWorld-eScanTrojan.GenericKDZ.46091
TencentWin32.Trojan.Generic.Sxxo
Ad-AwareTrojan.GenericKDZ.46091
SophosMal/Generic-S + Mal/GandCrab-G
ComodoTrojWare.Win32.Ransom.Blocker.GD@7s45pk
BitDefenderThetaGen:NN.ZexaF.34690.huW@aaLsQVaG
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_GANDCRAB.SMD3
McAfee-GW-EditionBehavesLike.Win32.Trojan.cc
FireEyeGeneric.mg.c7508df24f099596
EmsisoftTrojan.GenericKDZ.46091 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.GandCrypt.ia
AviraTR/GandCrab.cxg
Antiy-AVLTrojan/Generic.ASMalwS.2710E7D
MicrosoftTrojan:Win32/Gandcrab.CS!eml
AegisLabTrojan.Win32.Generic.4!c
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.GenericKDZ.46091
AhnLab-V3Win-Trojan/Gandcrab04.Exp
Acronissuspicious
McAfeeTrojan-FPYM!C7508DF24F09
MAXmalware (ai score=100)
VBA32BScope.Malware-Cryptor.Uncatchable.JO
MalwarebytesTrojan.MalPack
PandaTrj/CI.A
TrendMicro-HouseCallRansom_GANDCRAB.SMD3
RisingRansom.GandCrypt!8.F33E (CLOUD)
YandexTrojan.Agent!JOnFxHhA370
IkarusTrojan.Win32.Crypt
MaxSecureRansomeware.CRAB.gen
FortinetW32/Agent.BFJ!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Win32/Kryptik.GJKN 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/Kryptik.GJKN 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.GJKN you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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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