Win32/Kryptik.GHVW

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

What is Win32/Kryptik.GHVW infection?

In this short article you will locate about the interpretation of Win32/Kryptik.GHVW and also its unfavorable effect on your computer. Such ransomware are a form of malware that is clarified by online frauds to demand paying the ransom money by a sufferer.

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In the majority of the situations, Win32/Kryptik.GHVW ransomware will certainly advise its sufferers to start funds move for the objective of counteracting the modifications that the Trojan infection has actually introduced to the victim’s device.

Win32/Kryptik.GHVW 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.

  • 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 papers found on the target’s disk drive — so the victim can no more use the data;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyzRansom.GandCrab!8.F355 (TFE:dGZlOgXtrIb5vQXtsw)
a.tomx.xyzRansom.GandCrab!8.F355 (TFE:dGZlOgXtrIb5vQXtsw)
ipv4bot.whatismyipaddress.comRansom.GandCrab!8.F355 (TFE:dGZlOgXtrIb5vQXtsw)
ns1.wowservers.ruRansom.GandCrab!8.F355 (TFE:dGZlOgXtrIb5vQXtsw)
carder.bitRansom.GandCrab!8.F355 (TFE:dGZlOgXtrIb5vQXtsw)
ns2.wowservers.ruRansom.GandCrab!8.F355 (TFE:dGZlOgXtrIb5vQXtsw)
ransomware.bitRansom.GandCrab!8.F355 (TFE:dGZlOgXtrIb5vQXtsw)

Win32/Kryptik.GHVW

One of the most normal channels through which Win32/Kryptik.GHVW are infused are:

  • By means of phishing e-mails;
  • As an effect of user winding up on a source that organizes a harmful software;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the victim’s PC or protect against the device from functioning in an appropriate manner – while also positioning a ransom money note that points out the demand for the victims to effect the payment for the purpose of decrypting the records or bring back the documents system back to the initial condition. In most circumstances, the ransom money note will turn up when the customer reboots the PC after the system has actually already been damaged.

Win32/Kryptik.GHVW circulation networks.

In numerous edges of the globe, Win32/Kryptik.GHVW expands by leaps as well as bounds. Nonetheless, the ransom notes and techniques of extorting the ransom money amount may differ depending on particular neighborhood (regional) setups. The ransom notes as well as tricks of obtaining the ransom money amount may differ depending on certain regional (regional) setups.

Ransomware injection

For instance:

    Faulty signals about unlicensed software application.

    In specific locations, the Trojans frequently wrongfully report having actually spotted some unlicensed applications allowed on the target’s gadget. The sharp then demands the individual to pay the ransom.

    Faulty statements regarding illegal content.

    In countries where software program piracy is much less popular, this approach is not as efficient for the cyber fraudulences. Additionally, the Win32/Kryptik.GHVW popup alert may falsely assert to be deriving from a police institution as well as will report having situated kid pornography or other prohibited information on the gadget.

    Win32/Kryptik.GHVW popup alert may falsely claim to be deriving from a law enforcement institution and also will report having located youngster porn or other prohibited information on the gadget. The alert will in a similar way consist of a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 09B27159
md5: 114379053f0f707db36f6c0abeebdb85
name: 114379053F0F707DB36F6C0ABEEBDB85.mlw
sha1: f1d736a37d6ded0671012b848a2d359cb537d4c6
sha256: 6846919086de6935cca18b1aee01d28718fb750d6acba06a3fbebb356ca46ec9
sha512: 6622f7abb95a7d53126be618a5e9b5fd21886d341753c80deb5b5e6848cb193dc916931879d17de718015f8c0ce5ea33fa0091dcb36b37d44a91f1ab3cabe6bf
ssdeep: 6144:Quj33iwZkzXwPPYLj4G9gGoLuMh0wTXE6ewi5:QuaXwPx7tuFw2p
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0346 0x093e

Win32/Kryptik.GHVW also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKDZ.44737
FireEyeGeneric.mg.114379053f0f707d
CAT-QuickHealTrojan.Chapak.ZZ5
McAfeeGenericRXFV-KL!114379053F0F
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforWin.Packed.Gandcrab-6552923-4
K7AntiVirusTrojan ( 0053305e1 )
BitDefenderTrojan.GenericKDZ.44737
K7GWTrojan ( 0054a0aa1 )
Cybereasonmalicious.53f0f7
BitDefenderThetaGen:NN.ZexaF.34590.ruX@a8MU8daO
CyrenW32/S-e2f04382!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GHVW
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Packed.Gandcrab-6552923-4
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.Mokes.fefaxa
ViRobotTrojan.Win32.GandCrab.Gen.A
RisingRansom.GandCrab!8.F355 (TFE:dGZlOgXtrIb5vQXtsw)
Ad-AwareTrojan.GenericKDZ.44737
SophosMal/Generic-R + Mal/Agent-AUL
ComodoTrojWare.Win32.Chapak.GN@7peol6
F-SecureHeuristic.HEUR/AGEN.1121531
DrWebTrojan.Encoder.24384
ZillyaTrojan.GandCrypt.Win32.398
TrendMicroRansom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
EmsisoftTrojan.GenericKDZ.44737 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.GandCrypt.fh
AviraHEUR/AGEN.1121531
MAXmalware (ai score=100)
Antiy-AVLTrojan[Ransom]/Win32.GandCrypt
MicrosoftRansom:Win32/GrandCrab.DA!MTB
ArcabitTrojan.Generic.DAEC1
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
AhnLab-V3Win-Trojan/Gandcrab.Exp
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataWin32.Trojan-Ransom.GandCrab.N
CynetMalicious (score: 100)
Acronissuspicious
VBA32BScope.TrojanRansom.GandCrypt
ALYacTrojan.GenericKDZ.44737
TACHYONRansom/W32.GandCrab
MalwarebytesTrojan.MalPack
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom.Win32.GANDCRAB.SMLA.hp
TencentMalware.Win32.Gencirc.10ba50e1
YandexBackdoor.Mokes!aXQxyV+4HQs
IkarusTrojan-Ransom.GandCrab
MaxSecureRansomeware.CRAB.gen
FortinetW32/GandCrab.B!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Trojan.Ransom.ac5

How to remove Win32/Kryptik.GHVW 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.GHVW 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Kryptik.GHVW 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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