Win32/Kryptik.GMHX

Written by Robert Bailey

What is Win32/Kryptik.GMHX infection?

In this short article you will certainly locate regarding the definition of Win32/Kryptik.GMHX as well as its unfavorable effect 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 instances, Win32/Kryptik.GMHX ransomware will certainly instruct its victims to initiate funds transfer for the objective of counteracting the amendments that the Trojan infection has actually introduced to the sufferer’s gadget.

Win32/Kryptik.GMHX Summary

These alterations 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Queries information on disks, possibly for anti-virtualization. Since VMs share the same disk space so it is expected that they won’t be getting as much space as an application running on
    native hardware will have access to.
  • Attempts to restart the guest VM;
  • Spoofs its process name and/or associated pathname to appear as a legitimate process;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the victim’s hard drive — so the sufferer can no longer use the information;
  • Preventing regular access to the sufferer’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.GMHX

One of the most common channels through which Win32/Kryptik.GMHX Ransomware Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of individual winding up on a resource that holds a destructive software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s PC or avoid the tool from functioning in a correct manner – while also positioning a ransom money note that points out the need for the targets to effect the settlement for the objective of decrypting the papers or recovering the documents system back to the first condition. In the majority of instances, the ransom note will certainly come up when the client reboots the PC after the system has actually already been harmed.

Win32/Kryptik.GMHX distribution networks.

In various corners of the globe, Win32/Kryptik.GMHX grows by jumps and also bounds. Nonetheless, the ransom money notes as well as techniques of extorting the ransom money quantity might differ depending upon specific neighborhood (regional) settings. The ransom money notes as well as methods of extorting the ransom amount might differ depending on specific local (local) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software application.

    In particular areas, the Trojans usually wrongfully report having actually detected some unlicensed applications allowed on the target’s device. The alert then demands the individual to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In countries where software program piracy is less preferred, this approach is not as reliable for the cyber scams. Alternatively, the Win32/Kryptik.GMHX popup alert may falsely declare to be stemming from a law enforcement establishment and will certainly report having located kid porn or other prohibited information on the device.

    Win32/Kryptik.GMHX popup alert might wrongly claim to be deriving from a legislation enforcement organization as well as will report having situated child pornography or other prohibited information on the gadget. The alert will similarly have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: B816D866
md5: a7e66deee373b2fd9cb1910f0b296080
name: A7E66DEEE373B2FD9CB1910F0B296080.mlw
sha1: a49f98802cc220600ae294ad6488401e35de044c
sha256: 8d081c88a4d12975aaf67abdacede7db5c4c7bc78c614abe4ecbec3aab7d0df7
sha512: 726bcab9922eda506dea31626344e83dc60cbc6e952f12908325f2e5a6a5591571e4398e3b58e06d8ac4e942099d3cd09fc568f29d7c8ec46109e30e625aac90
ssdeep: 12288:9e78DGTTgC0StlBN+DcdGe3fKTscN3dQCUoVPyJcvqWNpxAKpVW:s1XgJSXBNP3SfdxVPyJci8nAKp
type: PE32 executable (GUI) Intel 80386, for MS Windows, PECompact2 compressed

Version Info:

0: [No Data]

Win32/Kryptik.GMHX also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005403ae1 )
Elastic malicious (high confidence)
DrWeb Trojan.Inject3.11639
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.Dharma.50
Malwarebytes Malware.Heuristic.1001
Zillya Backdoor.Backboot.Win32.104
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Backdoor:Win32/Backboot.f8ae468d
K7GW Trojan ( 005403ae1 )
Cybereason malicious.ee373b
Cyren W32/Risk.WBHO-7277
Symantec Ransom.GandCrab
ESET-NOD32 a variant of Win32/Kryptik.GMHX
Zoner Trojan.Win32.73365
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Backdoor.Win32.Backboot.tm
BitDefender Gen:Variant.Ransom.Dharma.50
NANO-Antivirus Trojan.Win32.Backboot.fkerrb
MicroWorld-eScan Gen:Variant.Ransom.Dharma.50
Tencent Malware.Win32.Gencirc.116db0cb
Ad-Aware Gen:Variant.Ransom.Dharma.50
Sophos Mal/Generic-S
Comodo Malware@#26uan85pgrgyx
BitDefenderTheta AI:Packer.ACA576041F
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Corrupt.jc
FireEye Generic.mg.a7e66deee373b2fd
Emsisoft Gen:Variant.Ransom.Dharma.50 (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanSpy.Stealer.ox
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1120731
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Occamy.C
AegisLab Trojan.Win32.Backboot.4!c
GData Gen:Variant.Ransom.Dharma.50
AhnLab-V3 Malware/Win32.Generic.C2808030
McAfee Artemis!A7E66DEEE373
MAX malware (ai score=100)
VBA32 BScope.TrojanRansom.Crusis
Panda Trj/CI.A
Rising Backdoor.Backboot!8.DE4B (CLOUD)
Yandex Backdoor.Backboot!doAzFi3zeB8
Ikarus Trojan.Win32.Pitou
Fortinet W32/Generic.AP.157148E!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Backdoor.Backboot.HxEAEpsA

How to remove Win32/Kryptik.GMHX 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.GMHX 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.GMHX 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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