Win32/Kryptik.EUEV

Written by Robert Bailey

What is Win32/Kryptik.EUEV infection?

In this post you will find concerning the meaning of Win32/Kryptik.EUEV and its adverse influence on your computer system. Such ransomware are a type of malware that is elaborated by online frauds to require paying the ransom by a sufferer.

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Most of the cases, Win32/Kryptik.EUEV virus will instruct its victims to start funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually presented to the victim’s gadget.

Win32/Kryptik.EUEV 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.
  • 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.

  • Unconventionial language used in binary resources: Bulgarian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to identify installed AV products by registry key;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the sufferer’s disk drive — so the victim can no longer make use of the information;
  • Preventing routine accessibility 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.EUEV

One of the most common channels whereby Win32/Kryptik.EUEV are injected are:

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

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the victim’s computer or stop the tool from working in a correct manner – while also positioning a ransom money note that points out the demand for the sufferers to effect the repayment for the objective of decrypting the papers or restoring the data system back to the preliminary condition. In a lot of instances, the ransom money note will certainly come up when the customer restarts the PC after the system has actually currently been damaged.

Win32/Kryptik.EUEV distribution networks.

In various edges of the world, Win32/Kryptik.EUEV expands by jumps and bounds. However, the ransom notes and techniques of extorting the ransom money quantity might vary relying on specific local (local) setups. The ransom money notes and tricks of extorting the ransom money quantity may differ depending on certain neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software application.

    In specific locations, the Trojans typically wrongfully report having actually spotted some unlicensed applications allowed on the sufferer’s device. The alert then requires the individual to pay the ransom.

    Faulty statements regarding illegal web content.

    In nations where software piracy is less prominent, this method is not as effective for the cyber scams. Additionally, the Win32/Kryptik.EUEV popup alert might wrongly claim to be originating from a law enforcement institution and also will certainly report having situated child pornography or various other prohibited information on the tool.

    Win32/Kryptik.EUEV popup alert may incorrectly declare to be deriving from a legislation enforcement organization as well as will certainly report having located kid porn or various other illegal information on the tool. The alert will in a similar way include a need for the user to pay the ransom money.

Technical details

File Info:

crc32: A2E7B0E3
md5: 78aad4a497a0508db9c96fad99760191
name: 78AAD4A497A0508DB9C96FAD99760191.mlw
sha1: c5c195e5e8c45910e51b953dacfd69c838cddd42
sha256: dd49e42db4132fa666efef9d73734eca4620da490cc66c5e53ee8437debd30ff
sha512: fcd78bd34e9638670d3cccc92835a9072cc38bc1a005d8e4fe8bc02a099db79b4c4ea109b54eda1390a88713db9b314b2f0c9f48d2557262bd6c8f1bbfb46b0d
ssdeep: 3072:4qP2EOz0WsAPL7+WIkOQ2K4EMfP8sx+cGr7ljfyMUJgE0Ro2XBZq0oAacg6hmST:4E0D7gkOQ2KY31+LIyE0K2nvad6hmST
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2014
InternalName: Cede
FileVersion: 2017.2017
CompanyName: TaLF's Project
ProductName: TaLF's Project Charges
ProductVersion: 2017.2017
FileDescription: Eclipsing
OriginalFilename: Benefited.exe

Win32/Kryptik.EUEV also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004e0aa21 )
Elastic malicious (high confidence)
DrWeb Trojan.AVKill.61359
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Generic.WR4
ALYac Gen:Trojan.ProcessHijack.oq0@aWmUXqpO
Cylance Unsafe
Zillya Trojan.CryptGen.Win32.1
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/Kryptik.836b6d37
K7GW Trojan ( 004e0aa21 )
Cybereason malicious.497a05
Baidu Win32.Trojan.Kryptik.zh
Cyren W32/S-853a912a!Eldorado
Symantec Ransom.Cryptolock!g21
ESET-NOD32 a variant of Win32/Kryptik.EUEV
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Trojan.ProcessHijack.oq0@aWmUXqpO
NANO-Antivirus Trojan.Win32.AVKill.ebvmcc
MicroWorld-eScan Gen:Trojan.ProcessHijack.oq0@aWmUXqpO
Tencent Malware.Win32.Gencirc.10c0715b
Ad-Aware Gen:Trojan.ProcessHijack.oq0@aWmUXqpO
Sophos Mal/Generic-S
Comodo Malware@#2c4bd6jt44lil
BitDefenderTheta Gen:NN.ZexaF.34628.oq0@aWmUXqpO
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CRYPTESLA.SMB1
McAfee-GW-Edition BehavesLike.Win32.Emotet.dc
FireEye Generic.mg.78aad4a497a0508d
Emsisoft Gen:Trojan.ProcessHijack.oq0@aWmUXqpO (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Yakes.irg
Webroot W32.Trojan.Dynamer
Avira HEUR/AGEN.1111647
eGambit Generic.Malware
Kingsoft Win32.Troj.Tpyn.v.(kcloud)
Microsoft Trojan:Win32/Dynamer!ac
AegisLab Hacktool.Win32.Tpyn.3!c
GData Gen:Trojan.ProcessHijack.oq0@aWmUXqpO
TACHYON Trojan/W32.Yakes.241664.E
AhnLab-V3 Win-Trojan/Teslacrypt.1339F9E.X1654
Acronis suspicious
McAfee Ransomware-FIS!78AAD4A497A0
MAX malware (ai score=100)
VBA32 BScope.Trojan.AVKill
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_CRYPTESLA.SMB1
Rising Trojan.Dynamer!8.3A0 (CLOUD)
Ikarus Win32.Cryptor
MaxSecure Trojan.Malware.9242708.susgen
Fortinet W32/Agent.F30!tr
AVG Win32:Trojan-gen
Qihoo-360 Win32/Trojan.Generic.HwcBrGUA

How to remove Win32/Kryptik.EUEV 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

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.EUEV 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.EUEV 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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