Win32/Kryptik.GHLW

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

What is Win32/Kryptik.GHLW infection?

In this article you will find regarding the interpretation of Win32/Kryptik.GHLW as well as its unfavorable influence on your computer. Such ransomware are a type of malware that is clarified by on-line frauds to require paying the ransom money by a sufferer.

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In the majority of the cases, Win32/Kryptik.GHLW ransomware will certainly advise its victims to start funds transfer for the objective of counteracting the changes that the Trojan infection has actually introduced to the victim’s tool.

Win32/Kryptik.GHLW Summary

These alterations 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.
  • 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 records situated on the victim’s hard drive — so the sufferer can no more make use of the information;
  • Preventing regular accessibility 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.GHLW

The most typical channels where Win32/Kryptik.GHLW Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of individual ending up on a resource that organizes a destructive software program;

As soon as the Trojan is successfully infused, it will either cipher the information on the sufferer’s PC or prevent the tool from functioning in an appropriate fashion – while also positioning a ransom money note that points out the need for the victims to effect the repayment for the function of decrypting the documents or recovering the documents system back to the initial problem. In most instances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has currently been harmed.

Win32/Kryptik.GHLW circulation channels.

In numerous edges of the globe, Win32/Kryptik.GHLW expands by leaps and also bounds. Nevertheless, the ransom money notes as well as tricks of obtaining the ransom quantity might vary depending upon particular regional (local) setups. The ransom money notes and also techniques of obtaining the ransom money quantity might vary depending on specific neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software application.

    In specific areas, the Trojans frequently wrongfully report having actually discovered some unlicensed applications made it possible for on the target’s tool. The alert then requires the individual to pay the ransom.

    Faulty declarations concerning unlawful web content.

    In countries where software program piracy is less preferred, this approach is not as efficient for the cyber frauds. Alternatively, the Win32/Kryptik.GHLW popup alert may falsely declare to be originating from a police establishment and also will certainly report having situated youngster porn or various other unlawful information on the gadget.

    Win32/Kryptik.GHLW popup alert may falsely claim to be obtaining from a regulation enforcement establishment and will report having situated kid porn or other unlawful information on the gadget. The alert will similarly consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: B564E42F
md5: 3fe18803a9ec3cf7586b5d814e4893b2
name: 3FE18803A9EC3CF7586B5D814E4893B2.mlw
sha1: f2dd69b69940350a3a871853aab1f21b609ecda2
sha256: 4e5cc94baa64779201d8def7fddfb4c0db111427f5356ce8e1379357490d6df3
sha512: d1d35f6d2341be67759019914156e713d07b07691a06a8c0953fd9f0e9c518cfc67fbfd5452183c00d9d6b7ef9c80645fd9376c3ddef5c12000b470ca5361590
ssdeep: 3072:T1z501k7CSCHt3syN4heZev4eY6H0QQLtu9Ag0FujoQRTjOhKe668hfjAQIYR9gk:mC+qne+47A9AOB2uFhfkQIYRaJW7iq
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GHLW also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.24384
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
FireEyeGeneric.mg.3fe18803a9ec3cf7
CAT-QuickHealTrojan.Mauvaise.SL1
McAfeePacked-FGQ!3FE18803A9EC
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforWin.Packed.Gandcrab-6520432-4
K7AntiVirusTrojan ( 00533b441 )
BitDefenderTrojan.Ransom.GandCrab.Gen.2
K7GWTrojan ( 00533b441 )
Cybereasonmalicious.3a9ec3
BitDefenderThetaGen:NN.ZexaF.34590.uyX@aeKBCve
CyrenW32/S-451b2afd!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GHLW
TrendMicro-HouseCallMal_HPGen-37b
Paloaltogeneric.ml
ClamAVWin.Packed.Gandcrab-6520432-4
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.Encoder.fdqpbf
ViRobotTrojan.Win32.GandCrab.Gen.A
TencentMalware.Win32.Gencirc.10b81de1
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
TACHYONRansom/W32.GandCrab
SophosMal/Generic-R + Mal/Agent-AUL
ComodoTrojWare.Win32.PSW.Coins.GH@7ohrdk
F-SecureHeuristic.HEUR/AGEN.1103299
ZillyaTrojan.GandCrypt.Win32.290
TrendMicroMal_HPGen-37b
McAfee-GW-EditionBehavesLike.Win32.Generic.fc
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.GandCrypt.eg
AviraHEUR/AGEN.1103299
Antiy-AVLTrojan[Ransom]/Win32.GandCrypt
MicrosoftRansom:Win32/GandCrab.AG!bit
ArcabitTrojan.Ransom.GandCrab.Gen.2
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Ransom.GandCrab.Gen.2
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/Gandcrab.Exp
Acronissuspicious
VBA32BScope.Trojan.Encoder
MAXmalware (ai score=100)
MalwarebytesRansom.GandCrab
PandaTrj/Genetic.gen
APEXMalicious
RisingTrojan.Kryptik!1.B2B7 (CLOUD)
YandexTrojan.GenAsa!dVeWHti6+1c
IkarusTrojan.Crypt
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/GenKryptik.CNAR!tr
AVGWin32:MalwareX-gen [Trj]
AvastWin32:MalwareX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Trojan.Ransom.061

How to remove Win32/Kryptik.GHLW 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.GHLW 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.GHLW 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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