Win32/Kryptik.HEKH

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Kryptik.HEKH infection?

In this post you will certainly locate about the interpretation of Win32/Kryptik.HEKH and also its adverse influence on your computer system. Such ransomware are a kind of malware that is specified by online scams to demand paying the ransom by a target.

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Most of the cases, Win32/Kryptik.HEKH ransomware will certainly instruct its sufferers to start funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually introduced to the sufferer’s tool.

Win32/Kryptik.HEKH Summary

These alterations can be as complies with:

  • 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);
  • Attempts to connect to a dead IP:Port (2 unique times);
  • Presents an Authenticode digital signature;
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Mimics the system’s user agent string for its own requests;
  • A process attempted to delay the analysis task.;
  • A named pipe was used for inter-process communication;
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.
  • Performs some HTTP requests;
  • 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;
  • Executed a process and injected code into it, probably while unpacking;
  • 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!
  • A system process is generating network traffic likely as a result of process injection;
  • 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 version of Bios, possibly for anti-virtualization;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the target’s hard disk drive — so the sufferer can no longer use 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.
Similar behavior
Related domains
z.whorecord.xyzBScope.TrojanRansom.Shade
a.tomx.xyzBScope.TrojanRansom.Shade
www.ip-adress.comBScope.TrojanRansom.Shade
ocsp.verisign.comBScope.TrojanRansom.Shade
sf.symcd.comBScope.TrojanRansom.Shade

Win32/Kryptik.HEKH

One of the most common networks where Win32/Kryptik.HEKH Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As a consequence of customer winding up on a resource that organizes a harmful software;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s computer or prevent the tool from operating in a correct fashion – while likewise placing a ransom money note that points out the need for the victims to impact the settlement for the objective of decrypting the papers or recovering the data system back to the initial problem. In many instances, the ransom money note will show up when the client restarts the COMPUTER after the system has actually currently been damaged.

Win32/Kryptik.HEKH distribution networks.

In various edges of the globe, Win32/Kryptik.HEKH expands by jumps as well as bounds. Nonetheless, the ransom money notes and tricks of extorting the ransom money quantity might differ relying on specific neighborhood (regional) settings. The ransom notes and tricks of obtaining the ransom quantity might differ depending on certain local (local) settings.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software.

    In specific areas, the Trojans usually wrongfully report having actually identified some unlicensed applications made it possible for on the target’s tool. The sharp after that requires the user to pay the ransom money.

    Faulty statements about prohibited content.

    In countries where software program piracy is less popular, this approach is not as reliable for the cyber fraudulences. Additionally, the Win32/Kryptik.HEKH popup alert may incorrectly assert to be deriving from a law enforcement organization as well as will report having located youngster porn or other prohibited information on the gadget.

    Win32/Kryptik.HEKH popup alert may incorrectly assert to be deriving from a regulation enforcement establishment and also will certainly report having located child pornography or various other unlawful information on the tool. The alert will similarly include a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 81D531B9
md5: c819b4c5163fa54aa22bc93d565d54bf
name: 5555555.png
sha1: f8bfe4ab5c68499ee42b295fceac8598db586a4d
sha256: f69e7b87b7e4513f837a04a6df475fe89a25329b80a6277854c31890cca7306d
sha512: c132526e85b547c406220bf378780ad39a9d7b5d4b3277755ce24646281d186fa87df45f175971fcefb298c5dc8b9a4488eb1e0607e9ea33cb8f52510f3464bb
ssdeep: 12288:Tmh+ciXIDC9rgo4xz5/yKNPqrrC7bOVHaO:TP2Xo46Y0r8bOVHaO
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 1995-2017
InternalName: gimp-console-2.8
FileVersion: 2.8.20.0
CompanyName: Spencer Kimball, Peter Mattis and the GIMP Development Team
ProductName: GNU Image Manipulation Program
ProductVersion: 2.8.20
FileDescription: GNU Image Manipulation Program
OriginalFilename: gimp-console-2.8.exe
Translation: 0x0409 0x04b0

Win32/Kryptik.HEKH also known as:

GridinSoftTrojan.Ransom.Gen
BkavHW32.Packed.
MicroWorld-eScanTrojan.Agent.ETAD
FireEyeGeneric.mg.c819b4c5163fa54a
Qihoo-360HEUR/QVM19.1.24AE.Malware.Gen
McAfeeW32/PinkSbot-GW!C819B4C5163F
CylanceUnsafe
SangforMalware
BitDefenderTrojan.Agent.ETAD
Cybereasonmalicious.b5c684
Invinceaheuristic
BitDefenderThetaGen:NN.ZexaF.34130.IG1@aejwYLhi
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.HEKH
APEXMalicious
GDataTrojan.Agent.ETAD
Endgamemalicious (high confidence)
Trapminemalicious.high.ml.score
EmsisoftTrojan.Agent (A)
Webroot
MAXmalware (ai score=86)
Antiy-AVLGrayWare/Win32.Kryptik.ehls
ArcabitTrojan.Agent.ETAD
MicrosoftTrojan:Win32/Wacatac.C!ml
CynetMalicious (score: 100)
Acronissuspicious
VBA32BScope.TrojanRansom.Shade
Ad-AwareTrojan.Agent.ETAD
MalwarebytesTrojan.MalPack.SGI
RisingTrojan.Kryptik!1.C745 (RDMK:cmRtazotLeDv77irehpqIzvvLxIM)
SentinelOneDFI – Malicious PE
eGambitPE.Heur.InvalidSig
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Win32/Kryptik.HEKH 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

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.HEKH 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.HEKH 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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