Win32/Kryptik.GCKD

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

What is Win32/Kryptik.GCKD infection?

In this short article you will certainly locate about the meaning of Win32/Kryptik.GCKD and its adverse effect on your computer. Such ransomware are a form of malware that is clarified by on the internet frauds to require paying the ransom money by a target.

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Most of the instances, Win32/Kryptik.GCKD infection will certainly advise its sufferers to launch funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually introduced to the target’s device.

Win32/Kryptik.GCKD Summary

These adjustments can be as complies with:

  • 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: Hebrew;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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 located on the sufferer’s hard disk — so the victim can no more make use of the data;
  • Preventing regular 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.

Win32/Kryptik.GCKD

The most regular channels through which Win32/Kryptik.GCKD Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of individual ending up on a source that organizes a harmful software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s PC or prevent the tool from functioning in a correct way – while likewise positioning a ransom money note that mentions the need for the targets to effect the settlement for the function of decrypting the papers or recovering the file system back to the preliminary condition. In many circumstances, the ransom money note will show up when the customer reboots the PC after the system has already been harmed.

Win32/Kryptik.GCKD distribution networks.

In different edges of the globe, Win32/Kryptik.GCKD grows by jumps and also bounds. Nonetheless, the ransom money notes and also tricks of obtaining the ransom quantity may differ depending on specific regional (local) setups. The ransom notes and also methods of obtaining the ransom money quantity might vary depending on certain regional (local) settings.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software application.

    In certain locations, the Trojans commonly wrongfully report having detected some unlicensed applications allowed on the sufferer’s tool. The alert then demands the user to pay the ransom.

    Faulty declarations regarding prohibited web content.

    In nations where software application piracy is much less popular, this technique is not as effective for the cyber scams. Conversely, the Win32/Kryptik.GCKD popup alert might falsely assert to be originating from a law enforcement organization as well as will report having located child porn or other prohibited information on the tool.

    Win32/Kryptik.GCKD popup alert might incorrectly declare to be obtaining from a law enforcement establishment as well as will report having situated child porn or other unlawful data on the device. The alert will in a similar way have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: B2161650
md5: 508a602f2b3d46dc9b2f1586ba14de38
name: 508A602F2B3D46DC9B2F1586BA14DE38.mlw
sha1: d3bb391c960e76afd622d6172ad8db502219484a
sha256: 0aa669bdae56d27ec623bbe74f7f96b0e47ef21ddbfc4dde2693e0d7dfd0c19c
sha512: 2cd57df82a5c997be4afdd076d0c13649748d7b79c5e06bd6433035279c2bfa0ac1738362e1e1e8cdd3fd79f67cc5b745af0a2b696fb71d34a9e6ac00bfe851b
ssdeep: 3072:JH8KxUVQaVl4jUdYaRj1/7dzdVkleu89:l8a2CmYqBTdPkcu8
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, kpojfgbnd
FileVersion: 6.3.6.8
ProductVersion: 6.3.6.8
Translation: 0x0809 0x04b0

Win32/Kryptik.GCKD also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053305e1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoad3.65496
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ6
ALYac Trojan.BRMon.Gen.1
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
K7GW Trojan ( 0053305e1 )
Cybereason malicious.f2b3d4
Cyren W32/S-ea08f2dd!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GCKD
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Packer.Crypter-6539596-1
Kaspersky Trojan-Banker.Win32.NeutrinoPOS.amu
BitDefender Trojan.BRMon.Gen.1
NANO-Antivirus Trojan.Win32.NeutrinoPOS.exmwbd
SUPERAntiSpyware Trojan.Agent/Gen-Bunitu
MicroWorld-eScan Trojan.BRMon.Gen.1
Tencent Win32.Trojan-banker.Neutrinopos.Stug
Ad-Aware Trojan.BRMon.Gen.1
Sophos Mal/Generic-S + Mal/GandCrab-D
Comodo Application.Win32.IStartSurf.PS@8c4m91
F-Secure Heuristic.HEUR/AGEN.1117310
BitDefenderTheta Gen:NN.ZexaF.34684.jy0@a8szuqeG
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPGANDCRAB.SMONT
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.508a602f2b3d46dc
Emsisoft Trojan.BRMon.Gen.1 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Miner.bff
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1117310
Microsoft Trojan:Win32/Gandcrab.GM!MTB
AegisLab Trojan.Win32.Generic.7!c
ZoneAlarm Trojan-Banker.Win32.NeutrinoPOS.amu
GData Trojan.BRMon.Gen.1
Acronis suspicious
McAfee Packed-ZG!508A602F2B3D
MAX malware (ai score=86)
VBA32 Trojan.Download
Malwarebytes Trojan.Injector
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMONT
Rising Malware.Strealer!8.1EF (CLOUD)
Yandex Trojan.GenAsa!fhvS/7HhIX4
Ikarus Trojan-Ransom.Agent
Fortinet W32/Kryptik.GBHF!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Kryptik.GCKD virus?

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 Win32/Kryptik.GCKD 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.GCKD 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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