Trojan:Win32/Kurei.A

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

What is Trojan:Win32/Kurei.A infection?

In this article you will certainly locate concerning the interpretation of Trojan:Win32/Kurei.A and its adverse influence on your computer. Such ransomware are a type of malware that is clarified by on-line scams to demand paying the ransom by a target.

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In the majority of the cases, Trojan:Win32/Kurei.A ransomware will instruct its sufferers to initiate funds move for the function of reducing the effects of the modifications that the Trojan infection has actually presented to the sufferer’s device.

Trojan:Win32/Kurei.A Summary

These modifications can be as adheres to:

  • 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.
  • A process attempted to delay the analysis task.;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the victim’s hard disk drive — so the victim can no longer utilize the information;
  • Preventing normal 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.

Trojan:Win32/Kurei.A

The most normal networks whereby Trojan:Win32/Kurei.A Ransomware Trojans are injected are:

  • By means of phishing emails;
  • As a consequence of customer ending up on a resource that organizes a destructive software program;

As soon as the Trojan is successfully infused, it will either cipher the data on the victim’s computer or protect against the tool from operating in an appropriate way – while also positioning a ransom note that points out the requirement for the sufferers to impact the repayment for the objective of decrypting the records or recovering the documents system back to the initial condition. In a lot of instances, the ransom note will certainly show up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Trojan:Win32/Kurei.A circulation channels.

In different edges of the globe, Trojan:Win32/Kurei.A grows by jumps and also bounds. Nonetheless, the ransom money notes as well as techniques of obtaining the ransom amount may vary depending upon particular regional (regional) settings. The ransom notes and methods of extorting the ransom money quantity might differ depending on particular local (regional) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software application.

    In particular areas, the Trojans frequently wrongfully report having actually discovered some unlicensed applications allowed on the victim’s gadget. The alert then demands the user to pay the ransom.

    Faulty statements regarding prohibited content.

    In nations where software program piracy is less prominent, this approach is not as reliable for the cyber scams. Conversely, the Trojan:Win32/Kurei.A popup alert may incorrectly claim to be stemming from a law enforcement institution and will report having located child pornography or other unlawful information on the gadget.

    Trojan:Win32/Kurei.A popup alert may incorrectly declare to be deriving from a legislation enforcement institution as well as will report having located child porn or various other unlawful data on the tool. The alert will similarly include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: D3A2466B
md5: 0dec3620808afbbc901e380e4e6a16d5
name: 0DEC3620808AFBBC901E380E4E6A16D5.mlw
sha1: 6fa5d6fa572e8e12b0f8729311971f443a299221
sha256: 96a137b02f13449aeaf57db288b1bf88a2eae0bdba412191f46bef147c52c8eb
sha512: 62aba95a7724ef51dd3f3bd4ed194f9dd424ef97dfdf8aff442df07bdf11444d58082d6381d033474ba8119421363572c1d8d37eac45ea69ef6439dda3ce07f6
ssdeep: 3072:u8TC5M81hK+zE9wS9CTSLVxVAAfegDL/mkJi/yGVGto2/xAvNT:joD18hxveSqkgGNm
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Microsoft 2012
Assembly Version: 1.0.0.0
InternalName: lock.exe
FileVersion: 1.0.0.0
CompanyName: Microsoft
ProductName: lock
ProductVersion: 1.0.0.0
FileDescription: lock
OriginalFilename: lock.exe

Trojan:Win32/Kurei.A also known as:

GridinSoftTrojan.Ransom.Gen
DrWebTrojan.KillProc.19383
CynetMalicious (score: 99)
ALYacGen:Variant.MSILPerseus.217521
CylanceUnsafe
SangforTrojan.Win32.Save.a
AlibabaTrojan:Win32/Kurei.f426f40d
Cybereasonmalicious.0808af
SymantecTrojan.Gen
ESET-NOD32a variant of MSIL/LockScreen.AK
APEXMalicious
AvastWin32:LockScreen-KB [Trj]
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.MSILPerseus.217521
NANO-AntivirusTrojan.Win32.Blocker.dcdugo
MicroWorld-eScanGen:Variant.MSILPerseus.217521
TencentWin32.Trojan.Generic.Kgi
Ad-AwareGen:Variant.MSILPerseus.217521
SophosMal/Generic-R
ComodoMalware@#3bk7qrqenqcb5
BitDefenderThetaGen:NN.ZemsilF.34686.jm0@ayA3X9i
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionGenericRXCP-WJ!0DEC3620808A
FireEyeGen:Variant.MSILPerseus.217521
EmsisoftGen:Variant.MSILPerseus.217521 (B)
SentinelOneStatic AI – Malicious PE
WebrootW32.Virus.Jeefo.Gen
AviraHEUR/AGEN.1124403
eGambitUnsafe.AI_Score_90%
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojan:Win32/Kurei.A
AegisLabTrojan.Win32.Blocker.j!c
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Variant.MSILPerseus.217521
AhnLab-V3Trojan/Win32.Agent.R42505
McAfeeGenericRXCP-WJ!0DEC3620808A
MAXmalware (ai score=96)
VBA32Hoax.Blocker
MalwarebytesMalware.AI.3931045911
PandaTrj/CI.A
RisingRansom.Agent!8.6B7 (CLOUD)
IkarusTrojan-Ransom.Blocker
FortinetMSIL/LockScreen.NL!tr
AVGWin32:LockScreen-KB [Trj]
Paloaltogeneric.ml

How to remove Trojan:Win32/Kurei.A 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 Trojan:Win32/Kurei.A 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 Trojan:Win32/Kurei.A 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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