Win32/GenKryptik.EUOS

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

What is Win32/GenKryptik.EUOS infection?

In this short article you will locate regarding the interpretation of Win32/GenKryptik.EUOS and also its unfavorable effect on your computer. Such ransomware are a type of malware that is specified by on the internet fraudulences to demand paying the ransom money by a victim.

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In the majority of the instances, Win32/GenKryptik.EUOS ransomware will instruct its sufferers to start funds transfer for the objective of counteracting the changes that the Trojan infection has actually presented to the target’s gadget.

Win32/GenKryptik.EUOS 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);
  • Attempts to connect to a dead IP:Port (1 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.
  • Mimics the system’s user agent string for its own requests;
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • 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;
  • Performs some HTTP requests;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • 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 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;
  • 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 located on the victim’s hard disk — so the victim can no more utilize the information;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyz BScope.TrojanRansom.Shade
a.tomx.xyz BScope.TrojanRansom.Shade
www.ip-adress.com BScope.TrojanRansom.Shade

Win32/GenKryptik.EUOS

One of the most regular networks through which Win32/GenKryptik.EUOS are infused are:

  • By means of phishing emails;
  • As a repercussion of customer ending up on a source that holds a harmful software;

As soon as the Trojan is effectively injected, it will either cipher the data on the target’s PC or stop the device from functioning in an appropriate manner – while likewise putting a ransom money note that states the requirement for the targets to impact the repayment for the purpose of decrypting the papers or bring back the documents system back to the preliminary problem. In the majority of instances, the ransom note will certainly turn up when the customer reboots the PC after the system has already been harmed.

Win32/GenKryptik.EUOS distribution networks.

In various edges of the world, Win32/GenKryptik.EUOS grows by leaps and also bounds. However, the ransom money notes as well as methods of extorting the ransom money quantity may differ depending upon particular local (regional) settings. The ransom money notes and tricks of extorting the ransom money amount may differ depending on specific neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software application.

    In specific locations, the Trojans typically wrongfully report having actually discovered some unlicensed applications allowed on the sufferer’s gadget. The alert then demands the customer to pay the ransom.

    Faulty statements about unlawful web content.

    In countries where software program piracy is less popular, this method is not as effective for the cyber scams. Alternatively, the Win32/GenKryptik.EUOS popup alert may incorrectly assert to be deriving from a police organization and also will certainly report having situated youngster pornography or other illegal information on the gadget.

    Win32/GenKryptik.EUOS popup alert may falsely claim to be obtaining from a law enforcement institution as well as will certainly report having situated kid porn or various other illegal information on the tool. The alert will in a similar way consist of a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 180790D1
md5: 62566a74bb5cdcc867465724921c97d9
name: kv.gif
sha1: d5388bda176dbf7a1c6a979e26e548ce374c32aa
sha256: 895c663a1e22fbadf4093f314a931402d8aca40ecfa63c38be3ebcecd54c11cb
sha512: bddddf7eed18a95c0bdc6b57eb0d012a0e05050fd311ebad909e0f74c0a761c71e8b65159f8254c24432ac58e3e3d3813dc48de2c5a3c1a197ad35b686727858
ssdeep: 6144:bJ2gzw5f7ZH3bv5vph31WjY63XqhL8PQgyJkvxyIhXqau:bJXzQjZH3Z3KY6XsOfySvxyIY
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9Qihu 360 Software Co., Ltd. All rights reserved.
InternalName: SystemRegistryClean
FileVersion: 1, 0, 0, 1003
CompanyName: QIHU 360 SOFTWARE CO. LIMITED
ProductName: 360 SystemRegistryClean
ProductVersion: 1, 0, 0, 1003
FileDescription: 360 SystemRegistryClean
OriginalFilename: SystemRegistryClean.exe
Translation: 0x0409 0x04b0

Win32/GenKryptik.EUOS also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
FireEye Generic.mg.62566a74bb5cdcc8
Cylance Unsafe
Sangfor Malware
Cybereason malicious.a176db
Symantec ML.Attribute.HighConfidence
APEX Malicious
Rising [email protected] (RDML:6JynDxpTXNz8DZSQg6J+vA)
Invincea Generic ML PUA (PUA)
Antiy-AVL GrayWare/Win32.Kryptik.ehls
Microsoft Trojan:Win32/Wacatac.D8!ml
Cynet Malicious (score: 100)
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34570.dz1@aSaIP0hi
VBA32 BScope.TrojanRansom.Shade
ESET-NOD32 a variant of Win32/GenKryptik.EUOS
SentinelOne DFI – Malicious PE
eGambit PE.Heur.InvalidSig
Fortinet W32/RTM.AG!tr
Qihoo-360 HEUR/QVM20.1.AE2F.Malware.Gen

How to remove Win32/GenKryptik.EUOS 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/GenKryptik.EUOS 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/GenKryptik.EUOS 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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