Win32/Kryptik.ETKH

Written by Robert Bailey

What is Win32/Kryptik.ETKH infection?

In this short article you will find about the definition of Win32/Kryptik.ETKH as well as its negative effect on your computer system. Such ransomware are a form of malware that is specified by online fraudulences to demand paying the ransom by a victim.

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In the majority of the cases, Win32/Kryptik.ETKH ransomware will advise its targets to initiate funds move for the function of neutralizing the changes that the Trojan infection has presented to the target’s gadget.

Win32/Kryptik.ETKH Summary

These modifications can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Compression (or decompression);
  • 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.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Attempts to delete volume shadow copies;
  • 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
  • Writes a potential ransom message to disk;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers located on the victim’s hard disk drive — so the victim can no more make use of the data;
  • Preventing regular accessibility to the victim’s workstation;
Similar behavior
Related domains
goldberg-share.com Trojan.Ransom.TeslaCrypt
theoneflooring.com Trojan.Ransom.TeslaCrypt
studiosundaytv.com Trojan.Ransom.TeslaCrypt
thejonesact.com Trojan.Ransom.TeslaCrypt
pcgfund.com Trojan.Ransom.TeslaCrypt

Win32/Kryptik.ETKH

The most typical networks where Win32/Kryptik.ETKH Ransomware are injected are:

  • By methods of phishing emails;
  • As a repercussion of user winding up on a resource that holds a malicious software program;

As soon as the Trojan is successfully injected, it will either cipher the data on the target’s PC or stop the tool from functioning in an appropriate fashion – while additionally putting a ransom note that discusses the demand for the sufferers to effect the repayment for the purpose of decrypting the records or restoring the data system back to the initial condition. In the majority of instances, the ransom note will come up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Win32/Kryptik.ETKH circulation channels.

In numerous edges of the world, Win32/Kryptik.ETKH expands by leaps and also bounds. Nonetheless, the ransom money notes as well as methods of obtaining the ransom amount might differ depending on specific neighborhood (local) setups. The ransom money notes and also techniques of extorting the ransom quantity may differ depending on certain neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software program.

    In particular areas, the Trojans often wrongfully report having actually found some unlicensed applications enabled on the target’s device. The sharp after that demands the individual to pay the ransom.

    Faulty declarations about unlawful content.

    In nations where software application piracy is much less prominent, this approach is not as efficient for the cyber fraudulences. Additionally, the Win32/Kryptik.ETKH popup alert may incorrectly claim to be stemming from a law enforcement organization and also will report having situated child porn or various other prohibited information on the device.

    Win32/Kryptik.ETKH popup alert may wrongly claim to be deriving from a regulation enforcement organization and also will report having located child porn or other prohibited information on the gadget. The alert will in a similar way contain a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: F8B6E832
md5: 67835d8d3c000e8b6e2e387ea82de87a
name: 67835D8D3C000E8B6E2E387EA82DE87A.mlw
sha1: d666b052c70c079207b0ce125baf9daa8984b405
sha256: 649ea0224ddb412f61b3ec27b7960d2d7341288a115f73760d270b800ca0a03d
sha512: d3200f0a144bc53aa7961876fa45e9643dd58fd20b28822b0979c1361c1f6aeeaa5c96aa01109c87a076abc4eb7f1904564d604429b55f8850a641fba7a037ce
ssdeep: 3072:cG4D+JH7cg6Xp1OAU79pb5qkKAfI3dxwgALP0QZYHYq3uYACb0gs3YjyahOUqn3:clDwj+p25pvKzNxFecQlq3uYACWIuKO
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.ETKH also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.SiralanAR.Trojan
K7AntiVirus Trojan ( 0055dd191 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.4324
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.TeslaCrypt
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.870998
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Monder.76185db2
K7GW Trojan ( 0055dd191 )
Cybereason malicious.d3c000
Baidu Win32.Trojan.Kryptik.yr
Symantec Ransom.TeslaCrypt!g11
ESET-NOD32 a variant of Win32/Kryptik.ETKH
APEX Malicious
Avast Win32:Dorder-AC [Trj]
Kaspersky Trojan.Win32.Monder.gen
BitDefender Trojan.GenericKD.3138858
NANO-Antivirus Trojan.Win32.Monder.ebjgso
MicroWorld-eScan Trojan.GenericKD.3138858
Tencent Malware.Win32.Gencirc.10c07f00
Ad-Aware Trojan.GenericKD.3138858
Sophos ML/PE-A + Troj/TeslaC-DE
Comodo Malware@#2p17cju614gq
VIPRE Trojan.Win32.Generic.pak!cobra
TrendMicro Ransom_CRYPTESLA.BYX
McAfee-GW-Edition BehavesLike.Win32.Downloader.ch
FireEye Generic.mg.67835d8d3c000e8b
Emsisoft Trojan.GenericKD.3138858 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Monder.ap
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1101923
Antiy-AVL Trojan/Generic.ASMalwS.17C4ED9
Kingsoft Win32.Heur.KVMH008.a.(kcloud)
Microsoft Ransom:Win32/Tescrypt
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.GenericKD.3138858
TACHYON Trojan/W32.Monder.189440.B
AhnLab-V3 Trojan/Win32.Teslacrypt.C1364754
Acronis suspicious
McAfee Ransomware-FHS!67835D8D3C00
MAX malware (ai score=80)
VBA32 Trojan.Monder
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_CRYPTESLA.BYX
Rising Ransom.Tescrypt!8.3AF (RDMK:cmRtazrmIhTks8RiscgrufjZ8RjR)
Yandex Trojan.Monder!I3FzwMbwV1M
Ikarus Trojan.Win32.Crypt
Fortinet W32/Generic.AC.33EEB5!tr
AVG Win32:Dorder-AC [Trj]
Paloalto generic.ml

How to remove Win32/Kryptik.ETKH 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.ETKH 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.ETKH 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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