Win32/Kryptik.EYUK

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

What is Win32/Kryptik.EYUK infection?

In this post you will locate regarding the meaning of Win32/Kryptik.EYUK as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is specified by on the internet scams to require paying the ransom money by a sufferer.

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Most of the instances, Win32/Kryptik.EYUK ransomware will certainly instruct its sufferers to initiate funds move for the objective of counteracting the modifications that the Trojan infection has introduced to the sufferer’s device.

Win32/Kryptik.EYUK Summary

These adjustments can be as complies with:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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;
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the target’s hard drive — so the victim can no more use the data;
  • Preventing routine access to the sufferer’s workstation;

Win32/Kryptik.EYUK

One of the most common networks where Win32/Kryptik.EYUK are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of customer winding up on a resource that holds a malicious software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the victim’s PC or protect against the gadget from functioning in a proper way – while additionally putting a ransom money note that mentions the requirement for the sufferers to impact the settlement for the purpose of decrypting the records or bring back the documents system back to the preliminary problem. In the majority of instances, the ransom money note will certainly show up when the client restarts the COMPUTER after the system has already been damaged.

Win32/Kryptik.EYUK distribution channels.

In different corners of the globe, Win32/Kryptik.EYUK grows by jumps as well as bounds. Nonetheless, the ransom notes as well as tricks of extorting the ransom amount may vary depending upon particular local (local) settings. The ransom money notes and also tricks of extorting the ransom money amount might differ depending on particular neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In particular locations, the Trojans usually wrongfully report having actually spotted some unlicensed applications made it possible for on the victim’s tool. The sharp then requires the customer to pay the ransom money.

    Faulty declarations regarding prohibited material.

    In countries where software program piracy is less popular, this method is not as efficient for the cyber scams. Conversely, the Win32/Kryptik.EYUK popup alert might falsely declare to be originating from a police establishment as well as will report having situated child pornography or other prohibited data on the device.

    Win32/Kryptik.EYUK popup alert may wrongly declare to be acquiring from a regulation enforcement institution as well as will report having located youngster pornography or various other illegal information on the device. The alert will similarly include a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: A50311E6
md5: 526c85c298d46bfadefdc56d1d9c9c4c
name: 526C85C298D46BFADEFDC56D1D9C9C4C.mlw
sha1: 0f6f4ae3c73f2b585b6e705b3dacc8bd6c1f7934
sha256: 9a0e90c557276ce64977636e26ffb182183ed5edaee5e8771fefc5b81d2e0288
sha512: b155f449b6901b08bb1500abcc8d53e9ccfa1445aec00f7007894cb17a777a928c20b9b3e21deeb8d34db3d1a18d37e54a73545ce6ee509722e058740e1dd0b8
ssdeep: 3072:3wNiLu5skXX7x1PSOcXdkGrYe4dKdBW36yDFPxKqUqrtcrQquoQAVXy:3OiLu5n/dcXHD4MBWF/UqxiBVZVC
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: (c) Angus Johnson 1999-2002
InternalName: ResHack
FileVersion: 3.4.0.79
CompanyName:
LegalTrademarks:
Comments: Freeware, but see help file for conditions.
ProductName:
ProductVersion: 3.0.0.0
FileDescription: Resource viewer
OriginalFilename: ResHack
Aditional Notes: Not for distribution without the authors permission
Translation: 0x0c09 0x04e4

Win32/Kryptik.EYUK also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004f3b3f1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Panda.12765
Cynet Malicious (score: 100)
ALYac Gen:Variant.Deliric.6
Cylance Unsafe
Zillya Trojan.Zbot.Win32.205166
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Foreign.48ec6e87
K7GW Trojan ( 004f3b3f1 )
Cybereason malicious.298d46
Cyren W32/S-f31cff62!Eldorado
ESET-NOD32 a variant of Win32/Kryptik.EYUK
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Dropper.Zeus-9809557-0
Kaspersky Trojan-Ransom.Win32.Foreign.nuei
BitDefender Gen:Variant.Deliric.6
NANO-Antivirus Trojan.Win32.Panda.fesfbl
MicroWorld-eScan Gen:Variant.Deliric.6
Tencent Malware.Win32.Gencirc.11494fbd
Ad-Aware Gen:Variant.Deliric.6
Sophos ML/PE-A + Mal/Ransom-EE
Comodo TrojWare.Win32.Zbot.EZXT@7tgdwr
BitDefenderTheta Gen:NN.ZexaF.34628.lu1@a0y1jmgi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Foreign.R002C0PK720
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.526c85c298d46bfa
Emsisoft Gen:Variant.Deliric.6 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1112598
eGambit Unsafe.AI_Score_98%
Microsoft PWS:Win32/Zbot
Arcabit Trojan.Deliric.6
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Variant.Deliric.6
AhnLab-V3 Trojan/Win32.ZBot.R183899
Acronis suspicious
McAfee GenericRXAD-DK!526C85C298D4
MAX malware (ai score=98)
VBA32 TrojanSpy.Zbot
Malwarebytes Zbot.Trojan.Stealer.DDS
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_Foreign.R002C0PK720
Rising Ransom.Foreign!8.292 (CLOUD)
Ikarus Trojan-Spy.Agent
Fortinet W32/Kryptik.FCAB!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Zbot.HgIASOUA

How to remove Win32/Kryptik.EYUK virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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.EYUK 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.EYUK 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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