Win32/Kryptik.GHUN

What is Win32/Kryptik.GHUN infection?

In this post you will locate concerning the interpretation of Win32/Kryptik.GHUN and also its adverse effect on your computer system. Such ransomware are a form of malware that is elaborated by on the internet scams to demand paying the ransom by a target.

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In the majority of the cases, Win32/Kryptik.GHUN ransomware will certainly advise its sufferers to launch funds transfer for the function of reducing the effects of the modifications that the Trojan infection has introduced to the sufferer’s device.

Win32/Kryptik.GHUN 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.
  • 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!
  • 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 longer utilize the information;
  • Preventing routine accessibility 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.

Win32/Kryptik.GHUN

The most typical channels whereby Win32/Kryptik.GHUN are infused are:

  • By ways of phishing e-mails;
  • As a consequence of user winding up on a resource that holds a malicious software application;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the target’s computer or avoid the tool from functioning in an appropriate fashion – while additionally putting a ransom money note that discusses the need for the victims to impact the payment for the objective of decrypting the papers or restoring the documents system back to the initial problem. In the majority of instances, the ransom money note will certainly turn up when the customer restarts the PC after the system has actually currently been damaged.

Win32/Kryptik.GHUN distribution networks.

In numerous corners of the globe, Win32/Kryptik.GHUN grows by jumps as well as bounds. Nonetheless, the ransom money notes as well as methods of extorting the ransom money quantity may vary depending on particular local (regional) settings. The ransom notes as well as tricks of extorting the ransom money amount may differ depending on specific neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In specific areas, the Trojans commonly wrongfully report having found some unlicensed applications allowed on the sufferer’s tool. The alert then requires the individual to pay the ransom.

    Faulty declarations concerning unlawful content.

    In nations where software piracy is much less popular, this technique is not as reliable for the cyber fraudulences. Alternatively, the Win32/Kryptik.GHUN popup alert may falsely assert to be originating from a police organization as well as will report having located kid pornography or other unlawful data on the device.

    Win32/Kryptik.GHUN popup alert might incorrectly claim to be obtaining from a law enforcement establishment as well as will report having located child pornography or various other unlawful data on the tool. The alert will in a similar way have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 22CEB619
md5: 777f0d31f3f380364c6b45b25912604c
name: 777F0D31F3F380364C6B45B25912604C.mlw
sha1: f0a4b67d6c3c6f8578ec3595e50b3e63a3c0ea64
sha256: 803b700057be33ea6961f1db4d22259901bf9513d5d48ebfef1ecca0b019013f
sha512: 55b6784d92693acc11ad825ccfcbbba7b28f22d7b1556e6cc7cbdec3108611bc6912a870b1a5f5dec0614b5b1db3048b98ae520e925e748699bb0ec4c60b2d29
ssdeep: 6144:GHDQCQ1V/9AOdf+A9+BtKRRT5G9+t+PJhea+HWFm8:Gmt9AOt9+i35EJhea+2H
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0346 0x093e

Win32/Kryptik.GHUN also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053305e1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ5
ALYac Trojan.GenericKDZ.44737
Cylance Unsafe
Zillya Backdoor.Mokes.Win32.1251
Sangfor Win.Packed.Gandcrab-6552923-4
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0054a0aa1 )
Cybereason malicious.1f3f38
Cyren W32/S-a46b3c68!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GHUN
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Packed.Gandcrab-6552923-4
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.GenericKDZ.44737
NANO-Antivirus Trojan.Win32.GandCrypt.fedjou
ViRobot Trojan.Win32.GandCrab.Gen.A
SUPERAntiSpyware Ransom.GandCrab/Variant
MicroWorld-eScan Trojan.GenericKDZ.44737
Tencent Malware.Win32.Gencirc.10b9d190
Ad-Aware Trojan.GenericKDZ.44737
Sophos ML/PE-A + Mal/Agent-AUL
Comodo TrojWare.Win32.Chapak.GN@7peol6
BitDefenderTheta Gen:NN.ZexaF.34628.ruX@aGQz7TmO
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
FireEye Generic.mg.777f0d31f3f38036
Emsisoft Trojan.GenericKDZ.44737 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.GandCrypt.fb
Avira HEUR/AGEN.1121531
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/GandCrab.PVS!MTB
Arcabit Trojan.Generic.DAEC1
AegisLab Trojan.Win32.GandCrypt.j!c
GData Trojan.GenericKDZ.44737
TACHYON Ransom/W32.GandCrab
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
McAfee GenericRXFV-KL!777F0D31F3F3
MAX malware (ai score=100)
VBA32 BScope.TrojanRansom.GandCrypt
Malwarebytes Trojan.MalPack.GS
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMLA.hp
Rising Ransom.GandCrypt!8.F33E (CLOUD)
Ikarus Trojan-Ransom.GandCrab
Fortinet W32/GandCrab.C!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.311

How to remove Win32/Kryptik.GHUN ransomware?

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.GHUN 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.GHUN 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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