Win32/Kryptik.GKOG

What is Win32/Kryptik.GKOG infection?

In this post you will discover regarding the interpretation of Win32/Kryptik.GKOG and also its negative impact 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 situations, Win32/Kryptik.GKOG ransomware will advise its victims to initiate funds transfer for the function of counteracting the modifications that the Trojan infection has actually presented to the target’s tool.

Win32/Kryptik.GKOG 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.
  • 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!
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the sufferer’s hard drive — so the target can no more use the data;
  • Preventing normal access to the sufferer’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.GKOG

One of the most typical channels where Win32/Kryptik.GKOG Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As a repercussion of user winding up on a source that holds a harmful software program;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s computer or protect against the gadget from functioning in an appropriate way – while likewise putting a ransom note that states the demand for the targets to impact the settlement for the function of decrypting the records or bring back the documents system back to the initial problem. In most instances, the ransom money note will show up when the customer restarts the PC after the system has actually currently been harmed.

Win32/Kryptik.GKOG distribution networks.

In various edges of the globe, Win32/Kryptik.GKOG expands by leaps and bounds. However, the ransom notes and methods of obtaining the ransom money quantity might differ depending on specific regional (local) setups. The ransom notes as well as tricks of obtaining the ransom money quantity may vary depending on certain local (regional) setups.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software application.

    In particular locations, the Trojans often wrongfully report having actually discovered some unlicensed applications enabled on the target’s tool. The sharp then requires the individual to pay the ransom money.

    Faulty statements concerning prohibited web content.

    In countries where software program piracy is much less preferred, this technique is not as efficient for the cyber fraudulences. Conversely, the Win32/Kryptik.GKOG popup alert may wrongly assert to be deriving from a police organization and also will certainly report having situated youngster porn or other prohibited information on the gadget.

    Win32/Kryptik.GKOG popup alert may falsely declare to be deriving from a regulation enforcement organization and also will certainly report having situated child pornography or various other prohibited information on the gadget. The alert will in a similar way have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 9CA117A3
md5: f4b4431a404caeab7f9077b782a65209
name: F4B4431A404CAEAB7F9077B782A65209.mlw
sha1: 8f6c490fea6fc0c82a8f4ef263a258cf8e62cbf1
sha256: 7f57cbe1e3b24070833ea3747baa921614d959f9410f1646280fb76954254129
sha512: fb879560f561d470ec74b877be4bfa42a1d4c9a3a928d25a3ced9a8bbb1ec1556ad58930e493ce2cfaf2b8a09ce4b1267b4aef4a938e5b789d8eedaf9be51714
ssdeep: 3072:KCI+0BRtDLlYqJV0WsKZtvlZj8VDT0URV86gYr2bfzCkYBNAeGW:K00BRtDLzJWWsKZ7R+DTTiHClTG
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GKOG also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00516fdf1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.25976
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.GandCrab
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.194840
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/GandCrypt.498afd9c
K7GW Trojan ( 00516fdf1 )
Cybereason malicious.a404ca
Cyren W32/GandCrab.Y.gen!Eldorado
ESET-NOD32 a variant of Win32/Kryptik.GKOG
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.GandCrypt.epn
BitDefender Trojan.BRMon.Gen.4
NANO-Antivirus Trojan.Win32.GandCrypt.fhnsrm
ViRobot Trojan.Win32.R.Agent.237056.N
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
MicroWorld-eScan Trojan.BRMon.Gen.4
Tencent Win32.Trojan.Gandcrypt.Edxc
Ad-Aware Trojan.BRMon.Gen.4
Comodo Malware@#2np5skkgzy316
BitDefenderTheta Gen:NN.ZexaF.34628.ouW@au0a1Kl
VIPRE Trojan.Win32.Generic!BT
TrendMicro Trojan.Win32.SODINOK.SM.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
FireEye Generic.mg.f4b4431a404caeab
Emsisoft Trojan.BRMon.Gen.4 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.GandCrypt.lf
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1121586
eGambit Unsafe.AI_Score_63%
Microsoft Trojan:Win32/Occamy.C7F
AegisLab Trojan.Win32.GandCrypt.4!c
GData Trojan.BRMon.Gen.4
AhnLab-V3 Win-Trojan/MalPe34.Suspicious.X2029
Acronis suspicious
McAfee Trojan-FPST!F4B4431A404C
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
TrendMicro-HouseCall Trojan.Win32.SODINOK.SM.hp
Rising Trojan.Fuerboos!8.EFC8 (CLOUD)
Yandex Trojan.GenAsa!lBLXTDFUdzE
Ikarus Trojan.Crypt
Fortinet W32/GenKryptik.CKJT!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 HEUR/QVM10.2.B153.Malware.Gen

How to remove Win32/Kryptik.GKOG 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.GKOG 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.GKOG 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/products/

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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