Win32/Kryptik.GHDA

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

What is Win32/Kryptik.GHDA infection?

In this article you will certainly find concerning the interpretation of Win32/Kryptik.GHDA and its negative effect on your computer system. Such ransomware are a form of malware that is specified by on the internet scams to demand paying the ransom by a victim.

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Most of the situations, Win32/Kryptik.GHDA infection will certainly advise its victims to initiate funds transfer for the purpose of neutralizing the amendments that the Trojan infection has introduced to the sufferer’s tool.

Win32/Kryptik.GHDA Summary

These adjustments can be as follows:

  • 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.

  • Performs some HTTP requests;
  • 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;
  • 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
  • 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 files situated on the sufferer’s hard disk drive — so the victim can no longer utilize the data;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains
ipv4bot.whatismyipaddress.comTrojan.Ransom.GandCrab.Gen.2
ns1.wowservers.ruTrojan.Ransom.GandCrab.Gen.2
carder.bitTrojan.Ransom.GandCrab.Gen.2
ns2.wowservers.ruTrojan.Ransom.GandCrab.Gen.2
ransomware.bitTrojan.Ransom.GandCrab.Gen.2

Win32/Kryptik.GHDA

One of the most regular networks whereby Win32/Kryptik.GHDA Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As an effect of customer ending up on a resource that organizes a malicious software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the sufferer’s PC or protect against the tool from functioning in a proper way – while additionally putting a ransom note that points out the requirement for the victims to impact the repayment for the objective of decrypting the records or recovering the data system back to the preliminary condition. In the majority of instances, the ransom note will certainly show up when the client restarts the PC after the system has currently been damaged.

Win32/Kryptik.GHDA distribution channels.

In different corners of the globe, Win32/Kryptik.GHDA expands by jumps and bounds. However, the ransom notes and also tricks of obtaining the ransom amount might differ depending upon specific neighborhood (local) settings. The ransom notes and techniques of extorting the ransom amount may vary depending on certain neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software program.

    In certain areas, the Trojans usually wrongfully report having identified some unlicensed applications allowed on the victim’s tool. The sharp then requires the individual to pay the ransom money.

    Faulty statements regarding prohibited web content.

    In countries where software program piracy is less popular, this technique is not as efficient for the cyber scams. Alternatively, the Win32/Kryptik.GHDA popup alert might incorrectly declare to be stemming from a law enforcement institution and also will certainly report having situated child porn or various other illegal information on the tool.

    Win32/Kryptik.GHDA popup alert may falsely assert to be deriving from a legislation enforcement organization as well as will report having located youngster porn or various other unlawful information on the device. The alert will in a similar way contain a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 97E0E1D6
md5: 6af4cfa27cd70b148dc5ced82c3e1910
name: 6AF4CFA27CD70B148DC5CED82C3E1910.mlw
sha1: add15c818e1722c06bdbf19bae92c2944a5da207
sha256: 50356495ed148338579c3f600c7fb2edcce68f23e43efebe25273209d07fb9b8
sha512: 34bbbd60519f2a4a959ff8a9772b1005c19c06f73569a28526200ea41b984295be349427035dddd75ee908c82253ed0a76ce62c8589e64b23752578f01cc48a2
ssdeep: 3072:H5pEuhzqjAw/eTQveZLqq1rTsale0g63+R6Hnctd8V9KmjvJIDoFrY:ZpJ+eZLr1XsNndnGtvJa4Y
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GHDA also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
FireEyeGeneric.mg.6af4cfa27cd70b14
CAT-QuickHealTrojan.Cloxer.A06
Qihoo-360Win32/Trojan.Ransom.093
McAfeeTrojan-FPQB!6AF4CFA27CD7
CylanceUnsafe
VIPREBehavesLike.Win32.Malware (v)
AegisLabTrojan.Win32.GandCrypt.j!c
SangforTrojan.Win32.Save.a
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.Ransom.GandCrab.Gen.2
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.27cd70
BitDefenderThetaGen:NN.ZexaF.34590.lyX@aSljOwbi
CyrenW32/S-94c882be!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GHDA
APEXMalicious
AvastFileRepMalware
ClamAVWin.Trojan.Agent-6576252-0
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.GenKryptik.fcqsxq
ViRobotTrojan.Win32.GandCrab.Gen.A
RisingRansom.GandCrypt!8.F33E (CLOUD)
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
ComodoTrojWare.Win32.Magniber.FGH@7nyazg
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.Siggen7.29563
ZillyaTrojan.GandCrypt.Win32.302
TrendMicroRansom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
SophosMal/Generic-R + Mal/Agent-AUL
SentinelOneStatic AI – Malicious PE
JiangminTrojan.GandCrypt.dk
AviraTR/Dropper.Gen
MAXmalware (ai score=98)
Antiy-AVLTrojan[Ransom]/Win32.GandCrypt
MicrosoftRansom:Win32/Gandcrab.D!MTB
ArcabitTrojan.Ransom.GandCrab.Gen.2
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
AhnLab-V3Win-Trojan/Gandcrab.Exp
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Ransom.GandCrab.Gen.2
CynetMalicious (score: 100)
Acronissuspicious
VBA32BScope.TrojanRansom.GandCrypt
ALYacTrojan.Ransom.GandCrab.Gen.2
MalwarebytesTrojan.MalPack
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom.Win32.GANDCRAB.SMLA.hp
TencentMalware.Win32.Gencirc.114cfd87
YandexTrojan.Chapak!FVd/FgjaRqo
IkarusTrojan-Ransom.GandCrab
eGambitUnsafe.AI_Score_88%
FortinetW32/GenKryptik.CNAR!tr
AVGFileRepMalware
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
MaxSecureRansomeware.CRAB.gen

How to remove Win32/Kryptik.GHDA 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.GHDA 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.GHDA 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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