MSIL/Kryptik.EUK

What is MSIL/Kryptik.EUK infection?

In this post you will discover about the definition of MSIL/Kryptik.EUK as well as its adverse influence on your computer system. Such ransomware are a kind of malware that is clarified by on-line fraudulences to require paying the ransom by a target.

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Most of the instances, MSIL/Kryptik.EUK ransomware will instruct its targets to start funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the victim’s gadget.

MSIL/Kryptik.EUK Summary

These modifications 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.
  • 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.

  • 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
  • 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.
  • Creates a copy of itself;
  • Ciphering the files situated on the target’s disk drive — so the sufferer can no more utilize 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.

MSIL/Kryptik.EUK

One of the most regular networks where MSIL/Kryptik.EUK Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of user winding up on a resource that holds a malicious software;

As quickly as the Trojan is effectively injected, it will either cipher the information on the victim’s PC or stop the gadget from operating in a proper fashion – while additionally putting a ransom money note that discusses the requirement for the targets to impact the repayment for the function of decrypting the documents or recovering the file system back to the initial condition. In many circumstances, the ransom note will certainly turn up when the customer restarts the PC after the system has actually already been damaged.

MSIL/Kryptik.EUK circulation networks.

In different edges of the world, MSIL/Kryptik.EUK expands by jumps as well as bounds. However, the ransom notes and methods of extorting the ransom money amount might differ depending upon specific local (local) settings. The ransom money notes and techniques of extorting the ransom quantity might differ depending on certain neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software.

    In particular locations, the Trojans usually wrongfully report having actually detected some unlicensed applications enabled on the sufferer’s gadget. The alert after that demands the individual to pay the ransom money.

    Faulty statements regarding illegal content.

    In nations where software application piracy is much less popular, this technique is not as reliable for the cyber fraudulences. Conversely, the MSIL/Kryptik.EUK popup alert might incorrectly claim to be deriving from a law enforcement establishment as well as will certainly report having situated youngster pornography or other unlawful information on the gadget.

    MSIL/Kryptik.EUK popup alert might falsely claim to be acquiring from a law enforcement establishment as well as will certainly report having situated youngster pornography or various other prohibited information on the gadget. The alert will in a similar way have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 3853FFAF
md5: 9a3ed8dfb9320a8b115648a107fc9b0b
name: 9A3ED8DFB9320A8B115648A107FC9B0B.mlw
sha1: 5bbddb70dbb7a9bfc1041e65ed84bd110ea4344f
sha256: 961e67a42763f6beeac07a15dd27c4f8653cace6a58fd6d6be13eaa82fe5036a
sha512: 2f6a75877ff31f56fc63c05390df022fc1117478c93781dafe4364f7d7b6d409c1b2138d063f0a469269ab832e439574c2e5d8896eb925c3a9d3caabd8a4a4b5
ssdeep: 3072:BNPIrXsxMUhQFVt3jq3BQIoAZXWZyNmiJgjZvJTn/ZUxWj:BNPIrXsxMtFPe0Apo3iJgjZvJT/ZUxI
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 VelTK5buKS 2014
Assembly Version: 4.7.8.5
InternalName: Ransomware.exe
FileVersion: 3.6.9.2
CompanyName: KuB09MHjx8kKwBK1r2fxZ3l67LhfVv
Comments: WHNKQEdZSAw2h8XPHAzaquV7M8gOTp
ProductName: FueNubWDi2Z4BGoNGJAqsJYwIALeyk
ProductVersion: 3.6.9.2
FileDescription: BOGZ4NU5M1qiVdYhhvrdP60QQywO19
OriginalFilename: Ransomware.exe

MSIL/Kryptik.EUK also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.13626
Cynet Malicious (score: 85)
ALYac Gen:Variant.Ransom.931
Cylance Unsafe
Zillya Trojan.Blocker.Win32.35877
Sangfor Trojan.MSIL.Crypute.usrg
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Starter.ali2000005
K7GW Riskware ( 0040eff71 )
Cybereason malicious.fb9320
Symantec Infostealer.Limitail
ESET-NOD32 a variant of MSIL/Kryptik.EUK
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.jsdr
BitDefender Gen:Variant.Ransom.931
NANO-Antivirus Trojan.Win32.Winlock.eieydi
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
MicroWorld-eScan Gen:Variant.Ransom.931
Tencent Win32.Trojan.Blocker.Htmc
Ad-Aware Gen:Variant.Ransom.931
Sophos ML/PE-A
BitDefenderTheta Gen:NN.ZemsilF.34628.uq1@aSiBevi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_SURVEYLOCK.C
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.9a3ed8dfb9320a8b
Emsisoft Trojan.FileCoder (A)
SentinelOne Static AI – Malicious PE
Avira TR/Dropper.Gen
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Backdoor:Win32/Bladabindi!ml
Arcabit Trojan.Ransom.931
AegisLab Trojan.Win32.Blocker.j!c
GData Gen:Variant.Ransom.931
AhnLab-V3 Trojan/Win32.Ransom.C1651638
McAfee Artemis!9A3ED8DFB932
MAX malware (ai score=100)
VBA32 TrojanRansom.Blocker
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_SURVEYLOCK.C
Ikarus Trojan.Dropper
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/Blocker.JSDR!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOcA

How to remove MSIL/Kryptik.EUK 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 MSIL/Kryptik.EUK 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 MSIL/Kryptik.EUK 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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