Win32/Kryptik.GHGT

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

What is Win32/Kryptik.GHGT infection?

In this short article you will certainly locate regarding the interpretation of Win32/Kryptik.GHGT and also its adverse impact on your computer. Such ransomware are a type of malware that is elaborated by online fraudulences to demand paying the ransom money by a target.

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In the majority of the instances, Win32/Kryptik.GHGT infection will advise its victims to initiate funds transfer for the purpose of counteracting the amendments that the Trojan infection has presented to the sufferer’s tool.

Win32/Kryptik.GHGT Summary

These alterations 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.
  • A process attempted to delay the analysis task.;
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • 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
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the victim’s hard drive — so the victim can no more use the information;
  • Preventing regular accessibility to the target’s workstation;

Win32/Kryptik.GHGT

One of the most regular networks through which Win32/Kryptik.GHGT Ransomware Trojans are injected are:

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

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the sufferer’s computer or protect against the device from functioning in an appropriate fashion – while likewise putting a ransom money note that mentions the requirement for the targets to impact the payment for the function of decrypting the documents or bring back the file system back to the preliminary problem. In most circumstances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has already been harmed.

Win32/Kryptik.GHGT distribution networks.

In various corners of the globe, Win32/Kryptik.GHGT expands by leaps as well as bounds. However, the ransom notes and also methods of extorting the ransom money amount may differ depending on particular regional (regional) setups. The ransom money notes and also techniques of obtaining the ransom quantity might differ depending on specific local (local) setups.

Ransomware injection

As an example:

    Faulty signals about unlicensed software application.

    In certain areas, the Trojans usually wrongfully report having actually found some unlicensed applications allowed on the target’s gadget. The alert then demands the customer to pay the ransom money.

    Faulty statements about prohibited web content.

    In countries where software program piracy is much less popular, this technique is not as effective for the cyber frauds. Conversely, the Win32/Kryptik.GHGT popup alert may wrongly declare to be originating from a law enforcement institution and will certainly report having situated child pornography or other unlawful data on the device.

    Win32/Kryptik.GHGT popup alert may incorrectly claim to be obtaining from a regulation enforcement organization as well as will report having located child porn or other illegal data on the gadget. The alert will in a similar way have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 228886C5
md5: cd69c637814cd31c45b1ab862985da60
name: CD69C637814CD31C45B1AB862985DA60.mlw
sha1: 9ce3938f6b475c8f8a47f651d0010a433804ed81
sha256: 7a06c36ea4814b68092fd642b83d119b3407d4ec16751603e335f65b9c3a9ac5
sha512: c48e5ddca4da4c84c7c45f41cdfe1b37f4d356144c86581a0d1aea2f54a2e9f64ee77c05c864145e2a3b29218df9c480413d5665ec8e862cc3c097a33945b111
ssdeep: 6144:x5B9HrVqzgnCxG7rXJvAOync82Eg+3s5Z3p8ZmaHmGxELDG+Ak:x57rkzk1r1N82EP36ZaG/i+Ak
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GHGT also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKDZ.70260
FireEyeGeneric.mg.cd69c637814cd31c
CAT-QuickHealTrojan.Chapak.ZZ6
McAfeeGenericRXFQ-AN!CD69C637814C
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforWin.Packed.Gandcrab-6520432-4
K7AntiVirusTrojan ( 005376c31 )
BitDefenderTrojan.GenericKDZ.70260
K7GWTrojan ( 005376c31 )
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderThetaGen:NN.ZexaF.34608.uyX@aaPTHYm
CyrenW32/S-4dff6f6c!Eldorado
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Packed.Gandcrab-6520432-4
KasperskyHEUR:Trojan.Win32.Generic
AlibabaRansom:Win32/GrandCrab.5ecdb9c1
NANO-AntivirusTrojan.Win32.Encoder.fdddeb
ViRobotTrojan.Win32.GandCrab.Gen.A
RisingRansom.GandCrypt!8.F33E (C64:YzY0OqRLBDDXpmpR)
Ad-AwareTrojan.GenericKDZ.70260
TACHYONRansom/W32.GandCrab
EmsisoftTrojan.GenericKDZ.70260 (B)
ComodoTrojWare.Win32.Chapak.GDE@7oo149
DrWebTrojan.Encoder.24384
ZillyaDownloader.Upatre.Win32.66053
TrendMicroRansom_GANDCRAB.SMJS2
McAfee-GW-EditionBehavesLike.Win32.Generic.fc
SophosMal/Generic-R + Mal/Agent-AUL
IkarusTrojan-Ransom.GandCrab
GDataTrojan.GenericKDZ.70260
AviraHEUR/AGEN.1103298
ArcabitTrojan.Generic.D11274
AhnLab-V3Win-Trojan/Gandcrab.Exp
ZoneAlarmHEUR:Trojan.Win32.Generic
MicrosoftRansom:Win32/Gandcrab.SF!MTB
CynetMalicious (score: 100)
ESET-NOD32a variant of Win32/Kryptik.GHGT
Acronissuspicious
VBA32BScope.Trojan.Chapak
ALYacTrojan.GenericKDZ.70260
MAXmalware (ai score=100)
MalwarebytesTrojan.MalPack.GS
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_GANDCRAB.SMJS2
TencentMalware.Win32.Gencirc.10c9125e
YandexTrojan.GenAsa!ybZBxa0KqTk
SentinelOneStatic AI – Malicious PE
FortinetW32/GenKryptik.CNAR!tr
AVGWin32:MalwareX-gen [Trj]
Cybereasonmalicious.7814cd
AvastWin32:MalwareX-gen [Trj]
Qihoo-360Win32/Trojan.Ransom.ec9

How to remove Win32/Kryptik.GHGT ransomware?

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.GHGT 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.GHGT 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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