Win32/Kryptik.GCKQ

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

What is Win32/Kryptik.GCKQ infection?

In this short article you will locate regarding the interpretation of Win32/Kryptik.GCKQ and also 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 by a target.

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Most of the instances, Win32/Kryptik.GCKQ virus will advise its sufferers to launch funds move for the objective of neutralizing the changes that the Trojan infection has actually presented to the target’s gadget.

Win32/Kryptik.GCKQ 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.
  • 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.
  • Mimics the system’s user agent string for its own requests;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • 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.
  • Executed a process and injected code into it, probably while unpacking;
  • 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!
  • 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;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the target’s hard disk drive — so the sufferer can no more make use of the data;
  • Preventing regular accessibility to the sufferer’s workstation;

Win32/Kryptik.GCKQ

The most normal channels through which Win32/Kryptik.GCKQ Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of individual winding up on a resource that holds a destructive software application;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the target’s computer or prevent the device from functioning in a proper fashion – while additionally positioning a ransom money note that mentions the requirement for the victims to impact the repayment for the function of decrypting the records or bring back the file system back to the initial problem. In a lot of instances, the ransom money note will certainly show up when the client restarts the COMPUTER after the system has actually currently been harmed.

Win32/Kryptik.GCKQ distribution networks.

In various edges of the world, Win32/Kryptik.GCKQ grows by jumps and bounds. However, the ransom money notes as well as methods of obtaining the ransom money quantity might vary depending on specific regional (regional) setups. The ransom money notes and tricks of extorting the ransom amount might differ depending on specific local (local) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software application.

    In certain areas, the Trojans often wrongfully report having actually spotted some unlicensed applications made it possible for on the victim’s tool. The alert after that demands the user to pay the ransom money.

    Faulty statements regarding prohibited web content.

    In nations where software application piracy is much less popular, this approach is not as reliable for the cyber frauds. Conversely, the Win32/Kryptik.GCKQ popup alert might falsely declare to be stemming from a law enforcement organization and will certainly report having situated child pornography or various other unlawful information on the gadget.

    Win32/Kryptik.GCKQ popup alert may wrongly assert to be acquiring from a regulation enforcement organization and also will certainly report having located youngster porn or various other illegal information on the gadget. The alert will similarly include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 74A0BE25
md5: caaa3102fb9931980c819b309b301e24
name: CAAA3102FB9931980C819B309B301E24.mlw
sha1: a09d87e7d013ca06b18c10a31e08eef4c3b101a9
sha256: 8ea13240d86d5be6973be19cc92a10a424c3c2c69fcfe47e70670d9c2c0602d8
sha512: 0435cb5fb63bbb854e30d20c603fd369faab0a41ed7bb6dc97afabeb5b08f43d203eee4ca70274c948ec220016528ad404446935783f08b01cfde573afbbab06
ssdeep: 3072:Bp2NWikf5CVWjFcBxab8ElaF6hqVxxH3bQmOVvOIjpNsN4+etP5N011b/:BYWikf5VQxab8ma8YrGkkX+etP5N011
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

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

Win32/Kryptik.GCKQ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053305e1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoad4.473
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ6
ALYac Trojan.BRMon.Gen.3
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.1382198
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0056f4141 )
Cybereason malicious.2fb993
Cyren W32/S-b2c95f94!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GCKQ
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Packer.Crypter-6539596-1
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.BRMon.Gen.3
NANO-Antivirus Trojan.Win32.Miner.exlfoc
MicroWorld-eScan Trojan.BRMon.Gen.3
Tencent Malware.Win32.Gencirc.10c8c7b2
Ad-Aware Trojan.BRMon.Gen.3
Sophos ML/PE-A + Mal/GandCrab-D
Comodo TrojWare.Win32.Ransom.Foreign.A@7i19jk
BitDefenderTheta Gen:NN.ZexaF.34678.ou0@aKITKTkG
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPGANDCRAB.SMONT
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
FireEye Generic.mg.caaa3102fb993198
Emsisoft Trojan.BRMon.Gen.3 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Banker.NeutrinoPOS.bq
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1126869
Kingsoft Win32.Troj.Banker.(kcloud)
Microsoft Trojan:Win32/Gandcrab.GM!MTB
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan-Banker.Win32.NeutrinoPOS.gen
GData Win32.Trojan-Ransom.GandCrab.N
AhnLab-V3 Trojan/Win32.Hermesran.R218898
Acronis suspicious
McAfee Packed-ZG!CAAA3102FB99
MAX malware (ai score=100)
VBA32 TrojanBanker.NeutrinoPOS
Malwarebytes Trojan.MalPack
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMONT
Rising Trojan.Generic!8.C3 (CLOUD)
Yandex Trojan.GenAsa!WqSkJMuMmQw
Ikarus Trojan.Win32.Crypt
Fortinet W32/GenKryptik.CNAR!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.GandCrab.HwoCEpsA

How to remove Win32/Kryptik.GCKQ 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.GCKQ 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.GCKQ 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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