Win32/Kryptik.GXHO

What is Win32/Kryptik.GXHO infection?

In this short article you will locate concerning the interpretation of Win32/Kryptik.GXHO and its unfavorable effect on your computer. Such ransomware are a type of malware that is specified by online fraudulences to demand paying the ransom money by a sufferer.

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In the majority of the cases, Win32/Kryptik.GXHO virus will instruct its sufferers to launch funds move for the objective of reducing the effects of the changes that the Trojan infection has presented to the victim’s gadget.

Win32/Kryptik.GXHO Summary

These modifications 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.
  • 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.

  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Uses Windows utilities for basic functionality;
  • Enumerates services, possibly for anti-virtualization;
  • 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
  • Created a service that was not started;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the sufferer’s hard disk drive — so the target can no more make use of the data;
  • Preventing normal 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.GXHO

One of the most normal channels whereby Win32/Kryptik.GXHO Ransomware are infused are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a resource that holds a malicious software;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the target’s PC or protect against the tool from functioning in an appropriate way – while also placing a ransom note that discusses the demand for the victims to effect the repayment for the objective of decrypting the papers or recovering the documents system back to the first problem. In a lot of circumstances, the ransom note will certainly come up when the customer reboots the COMPUTER after the system has already been harmed.

Win32/Kryptik.GXHO circulation channels.

In various edges of the globe, Win32/Kryptik.GXHO expands by leaps as well as bounds. However, the ransom money notes as well as methods of extorting the ransom money amount might differ depending upon certain local (local) setups. The ransom notes as well as tricks of extorting the ransom money amount may vary depending on certain regional (regional) setups.

Ransomware injection

As an example:

    Faulty signals about unlicensed software.

    In certain areas, the Trojans often wrongfully report having spotted some unlicensed applications allowed on the sufferer’s gadget. The sharp then demands the individual to pay the ransom.

    Faulty declarations regarding unlawful material.

    In countries where software program piracy is less popular, this method is not as effective for the cyber frauds. Alternatively, the Win32/Kryptik.GXHO popup alert might falsely assert to be deriving from a law enforcement establishment and also will certainly report having situated kid porn or various other illegal information on the tool.

    Win32/Kryptik.GXHO popup alert may falsely claim to be acquiring from a legislation enforcement institution as well as will certainly report having located youngster porn or various other prohibited information on the gadget. The alert will in a similar way have a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 062C2EDF
md5: 4a392cb957115db7e044bd2990db7375
name: 4A392CB957115DB7E044BD2990DB7375.mlw
sha1: 244b7bf7c054604db905801bea177bb49a3994a3
sha256: 2c186a17b4e8362e5ddd55713ff2a680c08792c6a6f84f7cc468db7e843535e1
sha512: d60de22233029ac31fbe5e9eac1033125f0ab1faa967a0ea63e167586df2785314365087f154dbac324da509d119ce383f1c9a9ef93f4c7161d0f5a5a4650054
ssdeep: 12288:pG8kOA+F9999999999999999999999999999999999999999999999999999999:pUOA+
type: PE32 executable (GUI) Intel 80386 system file, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GXHO also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Brsecmon.1
FireEye Generic.mg.4a392cb957115db7
CAT-QuickHeal Ransom.Stop.MP4
McAfee GenericRXAA-AA!4A392CB95711
Sangfor Malware
Invincea ML/PE-A + Mal/GandCrab-G
Cyren W32/Kryptik.AJX.gen!Eldorado
Symantec Packed.Generic.525
APEX Malicious
ClamAV Win.Packed.Generic-7338654-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Brsecmon.1
Rising Backdoor.Tofsee!8.1E9 (TFE:5:o7qoeBosH8C)
Ad-Aware Trojan.Brsecmon.1
Sophos Mal/GandCrab-G
F-Secure Heuristic.HEUR/AGEN.1116524
DrWeb Trojan.DownLoader30.27651
McAfee-GW-Edition BehavesLike.Win32.Generic.wh
Emsisoft Trojan.Brsecmon.1 (B)
Ikarus Trojan.Win32.Ranumbot
GData Trojan.Brsecmon.1
Avira HEUR/AGEN.1116524
MAX malware (ai score=89)
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Trojan:Win32/CryptInject.VDSK!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.MalPe.R294636
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34634.@FW@aar@i0ai
ALYac Trojan.Brsecmon.1
Malwarebytes Trojan.MalPack.GS.Generic
ESET-NOD32 a variant of Win32/Kryptik.GXHO
SentinelOne Static AI – Suspicious PE
Fortinet W32/Kryptik.GXHG!tr
AVG FileRepMalware
CrowdStrike win/malicious_confidence_80% (D)
Qihoo-360 HEUR/QVM10.1.4BAF.Malware.Gen

How to remove Win32/Kryptik.GXHO virus?

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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.GXHO 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.GXHO 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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