Win32/Spy.KeyLogger.OKU

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

What is Win32/Spy.KeyLogger.OKU infection?

In this short article you will certainly discover concerning the meaning of Win32/Spy.KeyLogger.OKU and also its adverse influence on your computer. Such ransomware are a form of malware that is specified by online frauds to require paying the ransom money by a sufferer.

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Most of the cases, Win32/Spy.KeyLogger.OKU infection will instruct its targets to start funds move for the purpose of neutralizing the amendments that the Trojan infection has presented to the target’s gadget.

Win32/Spy.KeyLogger.OKU 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.
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • Uses Windows utilities for basic functionality;
  • Sniffs keystrokes;
  • 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
  • Attempts to create or modify system certificates;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the victim’s disk drive — so the target can no more utilize the data;
  • 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/Spy.KeyLogger.OKU

One of the most normal channels through which Win32/Spy.KeyLogger.OKU Ransomware are injected are:

  • By methods of phishing emails;
  • As a repercussion of individual ending up on a resource that organizes a destructive software program;

As soon as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s PC or prevent the device from functioning in an appropriate manner – while likewise positioning a ransom money note that discusses the requirement for the sufferers to impact the repayment for the function of decrypting the documents or restoring the file system back to the preliminary problem. In the majority of circumstances, the ransom note will certainly turn up when the client restarts the PC after the system has currently been damaged.

Win32/Spy.KeyLogger.OKU distribution channels.

In numerous edges of the world, Win32/Spy.KeyLogger.OKU grows by leaps and bounds. Nonetheless, the ransom money notes and tricks of obtaining the ransom quantity may differ relying on specific neighborhood (regional) setups. The ransom money notes and also methods of obtaining the ransom quantity may differ depending on particular regional (regional) setups.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software program.

    In particular areas, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the target’s device. The sharp then requires the customer to pay the ransom.

    Faulty declarations regarding illegal web content.

    In nations where software application piracy is much less preferred, this approach is not as efficient for the cyber frauds. Conversely, the Win32/Spy.KeyLogger.OKU popup alert may wrongly assert to be stemming from a law enforcement establishment and also will report having situated youngster pornography or other prohibited data on the device.

    Win32/Spy.KeyLogger.OKU popup alert may wrongly assert to be deriving from a regulation enforcement institution as well as will report having situated youngster porn or other unlawful information on the tool. The alert will in a similar way include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 13732092
md5: c927f69cca1b4a3be5fdf3b217f9079d
name: C927F69CCA1B4A3BE5FDF3B217F9079D.mlw
sha1: 4c24188292c843072cf07244d6c90888b680b12a
sha256: 87963088b27333727dd21f3351545d126c73403e174d1c9c558c1fa6a47b3dbe
sha512: 0b1b550087a6a2af795c0c88bc368b8fc36b417af83ac9e7c2fe7a79ef8e819ea30fce8a0249caced56f2bfb0bdc06a8f42ffab0ea1f86ba72341925388daa79
ssdeep: 1536:yj+pXHTJKqOWD471HTJKqOKxJAzJ+JRIFRoOaJKd2:i+p3TJK5OUJTJK5KczJyRERraJKd
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
InternalName: server
FileVersion: 1.00
CompanyName: JPEG Image
LegalTrademarks: JPEG IMAGE3
ProductName: JPEG IMAGE4
ProductVersion: 1.00
FileDescription: 835 x 480
OriginalFilename: server.exe

Win32/Spy.KeyLogger.OKU also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
DrWeb Trojan.Siggen3.52409
Cynet Malicious (score: 100)
ALYac Gen:Trojan.Heur.jm0@szaG8Wgi
Cylance Unsafe
Zillya Trojan.Regrun.Win32.12152
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (W)
Alibaba TrojanSpy:Win32/Regrun.a8f4e005
Cybereason malicious.cca1b4
Cyren W32/Trojan-Gypikon-based.DM2!Ma
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Spy.KeyLogger.OKU
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Trojan.Win32.Regrun.pgy
BitDefender Gen:Trojan.Heur.jm0@szaG8Wgi
NANO-Antivirus Trojan.Win32.SuspCode.mjvus
MicroWorld-eScan Gen:Trojan.Heur.jm0@szaG8Wgi
Tencent Win32.Trojan.Regrun.Sxnz
Ad-Aware Gen:Trojan.Heur.jm0@szaG8Wgi
Sophos Mal/Generic-S
Comodo Suspicious@#2ecvnyuvvvab3
BitDefenderTheta AI:Packer.054F48C21C
VIPRE Trojan.Win32.Generic.pak!cobra
McAfee-GW-Edition BehavesLike.Win32.Trojan.cm
FireEye Generic.mg.c927f69cca1b4a3b
Emsisoft Gen:Trojan.Heur.jm0@szaG8Wgi (B)
SentinelOne Static AI – Suspicious PE
Avira TR/Dropper.Gen
eGambit Unsafe.AI_Score_53%
Microsoft Ransom:Win32/Cobra
Arcabit Trojan.Heur.E28FAE
AegisLab Trojan.Win32.Llac.lgbh
ZoneAlarm Trojan.Win32.Regrun.pgy
GData Gen:Trojan.Heur.jm0@szaG8Wgi
AhnLab-V3 Trojan/Win32.Scar.C87200
McAfee Artemis!C927F69CCA1B
MAX malware (ai score=85)
VBA32 suspected of Backdoor.VB.62
Panda Generic Malware
Rising Trojan.Win32.Generic.12A5A5E9 (C64:YzY0OjCQDhW3R5tX)
Yandex Trojan.SuspCode!1SikVLndz28
Ikarus Gen.Trojan.Heur
MaxSecure Trojan.Malware.2588.susgen
Fortinet W32/Dx.BAMT!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Regrun.HwMARXsA

How to remove Win32/Spy.KeyLogger.OKU ransomware?

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/Spy.KeyLogger.OKU 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/Spy.KeyLogger.OKU 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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