Win32/Kryptik.GHCU

What is Win32/Kryptik.GHCU infection?

In this short article you will certainly discover regarding the definition of Win32/Kryptik.GHCU and its negative influence on your computer system. Such ransomware are a form of malware that is specified by online frauds to demand paying the ransom money by a victim.

GridinSoft Anti-Malware Review

GridinSoft Anti-Malware

Removing computer viruses manually may take hours and may damage your PC in the process. I recommend you to download GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day trial available for threats removal.
EULA | Privacy Policy | GridinSoft

In the majority of the instances, Win32/Kryptik.GHCU infection will advise its sufferers to initiate funds move for the function of neutralizing the modifications that the Trojan infection has actually presented to the victim’s device.

Win32/Kryptik.GHCU 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.

  • Unconventionial language used in binary resources: Spanish (Guatemala);
  • 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 files situated on the sufferer’s hard drive — so the sufferer can no longer utilize the information;
  • Preventing routine 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.

Win32/Kryptik.GHCU

The most typical networks whereby Win32/Kryptik.GHCU Ransomware Trojans are infused are:

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

As soon as the Trojan is efficiently injected, it will either cipher the information on the target’s PC or protect against the tool from operating in a correct way – while also positioning a ransom money note that discusses the need for the targets to impact the settlement for the purpose of decrypting the records or bring back the documents system back to the initial condition. In many circumstances, the ransom money note will certainly come up when the client restarts the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.GHCU circulation channels.

In various corners of the world, Win32/Kryptik.GHCU expands by jumps and bounds. Nonetheless, the ransom money notes and also methods of extorting the ransom amount may vary relying on particular regional (regional) settings. The ransom notes as well as tricks of obtaining the ransom money amount might vary depending on certain regional (regional) settings.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software application.

    In particular areas, the Trojans usually wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s device. The alert after that demands the individual to pay the ransom.

    Faulty declarations regarding prohibited material.

    In nations where software application piracy is much less popular, this approach is not as effective for the cyber fraudulences. Conversely, the Win32/Kryptik.GHCU popup alert might incorrectly declare to be stemming from a law enforcement establishment and also will report having located kid pornography or other unlawful data on the tool.

    Win32/Kryptik.GHCU popup alert might wrongly declare to be obtaining from a law enforcement organization as well as will report having situated child porn or other prohibited data on the gadget. The alert will likewise have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 86F1A541
md5: 4da0e5a08ceb1b85589c1ebb17aa7173
name: 4DA0E5A08CEB1B85589C1EBB17AA7173.mlw
sha1: 73aa90f7c303999c5b035d2951331fe1315ef55c
sha256: 0caa16a6a94e75a75167c0fb59d1d68857e29bdd630a6a7b0fea188445472503
sha512: 0dc3c1ee5b6843f449b4af8a85138031faafa9243a94902b2464804b6e253c539088e0634c433dce9298ef64c7b413e56e441f511004e52805236b34bfd9801b
ssdeep: 6144:3nTyzCaA6+hGhHLWHVg3VViCWy7A24lguBS/PGb4:3nT+rQWHaGiqEZl2s4
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GHCU 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.Ransom.GandCrab.Gen.2
Cylance Unsafe
Zillya Trojan.GandCrypt.Win32.263
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 00532cdf1 )
Cybereason malicious.08ceb1
Cyren W32/S-184acebd!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GHCU
APEX Malicious
Avast FileRepMalware
ClamAV Win.Ransomware.Gandcrab-6898226-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.GandCrab.Gen.2
NANO-Antivirus Trojan.Win32.Encoder.fcsnfb
ViRobot Trojan.Win32.GandCrab.Gen.A
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
Tencent Malware.Win32.Gencirc.10b30e28
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
Sophos Mal/Generic-R + Mal/Agent-AUL
Comodo TrojWare.Win32.Cloxer.AY@7o68fu
BitDefenderTheta Gen:NN.ZexaF.34628.pyX@aehd!FY
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
FireEye Generic.mg.4da0e5a08ceb1b85
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1103299
eGambit Unsafe.AI_Score_96%
Microsoft Trojan:Win32/GandCrab.KDS!MTB
AegisLab Trojan.Win32.GandCrypt.j!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Ransom.GandCrab.Gen.2
TACHYON Ransom/W32.GandCrypt.256009
AhnLab-V3 Win-Trojan/Gandcrab02.Exp
Acronis suspicious
McAfee Trojan-FPOH!4DA0E5A08CEB
MAX malware (ai score=100)
VBA32 Malware-Cryptor.Limpopo
Malwarebytes Gandcrab.Ransom.Encrypt.DDS
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMLA.hp
Rising Ransom.GandCrypt!8.F33E (TFE:dGZlOgVS0isqZjIsqA)
Ikarus Trojan-Ransom.GandCrab
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/GenKryptik.CAWM!tr
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Ransom.GandCrab.HwoCEpsA

How to remove Win32/Kryptik.GHCU 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.GHCU 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.GHCU you can always ask me in the comments for getting help.

Sending
User Review
0 (0 votes)
Comments Rating 0 (0 reviews)

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.

Leave a Reply

Sending

This site uses Akismet to reduce spam. Learn how your comment data is processed.