Win32/Injector.CYUK

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

What is Win32/Injector.CYUK infection?

In this article you will certainly locate about the definition of Win32/Injector.CYUK and also its adverse impact on your computer system. Such ransomware are a kind of malware that is elaborated by on-line scams to require paying the ransom money by a sufferer.

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Most of the situations, Win32/Injector.CYUK virus will certainly advise its sufferers to launch funds move for the purpose of counteracting the modifications that the Trojan infection has introduced to the target’s tool.

Win32/Injector.CYUK Summary

These adjustments can be as follows:

  • At least one process apparently crashed during execution;
  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Injection with CreateRemoteThread in a remote process;
  • Attempts to connect to a dead IP:Port (3 unique times);
  • Enumerates user accounts on the system;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • Reads data out of its own binary image;
  • Drops a binary and executes it;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Turkish;
  • 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;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Mimics the file times of a Windows system file;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Creates a copy of itself;
  • Attempts to create or modify system certificates;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents found on the target’s hard disk — so the victim can no longer use the information;
  • Preventing regular access to the victim’s workstation;

Win32/Injector.CYUK

The most typical networks where Win32/Injector.CYUK are infused are:

  • By means of phishing emails;
  • As a repercussion of customer winding up on a source that hosts a destructive software;

As quickly as the Trojan is successfully injected, it will either cipher the information on the target’s PC or stop the device from operating in an appropriate fashion – while likewise positioning a ransom note that points out the need for the sufferers to impact the payment for the purpose of decrypting the documents or restoring the file system back to the preliminary condition. In a lot of instances, the ransom money note will certainly turn up when the client reboots the PC after the system has currently been damaged.

Win32/Injector.CYUK circulation networks.

In numerous corners of the world, Win32/Injector.CYUK grows by jumps as well as bounds. However, the ransom money notes and techniques of extorting the ransom money quantity might differ relying on certain local (local) setups. The ransom money notes as well as methods of extorting the ransom amount might vary depending on certain local (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software application.

    In certain locations, the Trojans frequently wrongfully report having discovered some unlicensed applications made it possible for on the target’s tool. The sharp after that requires the individual to pay the ransom money.

    Faulty declarations about prohibited content.

    In countries where software program piracy is less popular, this method is not as efficient for the cyber frauds. Alternatively, the Win32/Injector.CYUK popup alert might wrongly declare to be originating from a law enforcement organization and also will certainly report having located kid pornography or various other illegal data on the device.

    Win32/Injector.CYUK popup alert may incorrectly assert to be obtaining from a law enforcement institution as well as will report having located kid pornography or various other prohibited data on the gadget. The alert will similarly consist of a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 3B2B22EC
md5: 4d7af01bf0d04e75d289b2d75c0895e8
name: 4D7AF01BF0D04E75D289B2D75C0895E8.mlw
sha1: fa994e0d2ecb2c6ec62d721a9199df5e7d7e8d33
sha256: bb75ac7239f891a7b0b0989a4e947b9b0fd8826605d1c5c0cd7c524fab6f7489
sha512: a190e7c7f8cc514efdcfbc729d40a60a9d61865cfe10d2d2b9a3ac02aeb43cc6e2956beb7bdb70ae26d52bf02b1e9bda6b875d00ad9a3f9baee948d100c24a61
ssdeep: 3072:hXK4Sizh3SkLIo7BJG9MpRPdM+hJAHrl6JwUjz:hndIYzG4RPdMCJAxUjz
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
InternalName: OqnujbSL
FileVersion: 1.00.0157
CompanyName: fLASh Fdae and others you may know
Comments: GFH is considered to be one of the leading Gulf
ProductName: Simulator
ProductVersion: 1.00.0157
FileDescription: proven to deliver business and save money
OriginalFilename: OqnujbSL.exe

Win32/Injector.CYUK also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0056fe3d1 )
Lionic Trojan.Win32.Zerber.j!c
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.4691
Cynet Malicious (score: 100)
ALYac Trojan.Kovter.Gen.1
Cylance Unsafe
Zillya Trojan.Zerber.Win32.1291
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
K7GW Trojan ( 0056fe3d1 )
Cybereason malicious.bf0d04
Symantec Ransom.Cerber!g5
ESET-NOD32 a variant of Win32/Injector.CYUK
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Zerber-9802878-0
Kaspersky Trojan-Ransom.Win32.Zerber.fitp
BitDefender Trojan.Kovter.Gen.1
NANO-Antivirus Trojan.Win32.CYUK.elujfb
MicroWorld-eScan Trojan.Kovter.Gen.1
Tencent Malware.Win32.Gencirc.114991bc
Ad-Aware Trojan.Kovter.Gen.1
Sophos Mal/Generic-S
BitDefenderTheta AI:Packer.75B28FDA21
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.4d7af01bf0d04e75
Emsisoft Trojan.Kovter.Gen.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Zerber.asp
Webroot W32.Trojan.Kovter.Gen
Avira HEUR/AGEN.1113142
Antiy-AVL Trojan/Generic.ASMalwS.1E8DCC5
Microsoft Ransom:Win32/Cerber
ZoneAlarm Trojan-Ransom.Win32.Zerber.fitp
GData Trojan.Kovter.Gen.1
AhnLab-V3 Trojan/Win32.Zerber.C1797909
McAfee GenericR-JHP!4D7AF01BF0D0
MAX malware (ai score=99)
VBA32 TScope.Trojan.VB
Panda Trj/CI.A
Yandex Trojan.GenAsa!bghsG80WWWg
Ikarus Trojan.Win32.SelfDel
Fortinet W32/Injector.CZDF!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Cerber.HwMAEpsA

How to remove Win32/Injector.CYUK 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

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/Injector.CYUK 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/Injector.CYUK 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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