Ransom.Kraken

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

What is Ransom.Kraken infection?

In this article you will certainly discover regarding the definition of Ransom.Kraken and its adverse influence on your computer. Such ransomware are a form of malware that is clarified by on-line fraudulences to demand paying the ransom by a target.

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In the majority of the cases, Ransom.Kraken ransomware will certainly advise its victims to launch funds transfer for the function of counteracting the modifications that the Trojan infection has introduced to the target’s tool.

Ransom.Kraken Summary

These modifications can be as adheres to:

  • 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.
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • A process created a hidden window;
  • Uses Windows utilities for basic functionality;
  • Clears Windows events or logs;
  • Attempts to create or modify system certificates;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers located on the target’s hard disk drive — so the target can no longer use the data;
  • Preventing routine access 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.

Ransom.Kraken

One of the most normal networks through which Ransom.Kraken Ransomware are infused are:

  • By ways of phishing e-mails;
  • As a consequence of user winding up on a resource that organizes a harmful software;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s computer or prevent the tool from working in a proper way – while likewise positioning a ransom note that discusses the need for the targets to impact the settlement for the purpose of decrypting the documents or recovering the file system back to the initial condition. In the majority of circumstances, the ransom note will show up when the customer restarts the PC after the system has actually currently been damaged.

Ransom.Kraken distribution channels.

In different edges of the world, Ransom.Kraken expands by leaps and bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom quantity may vary relying on certain local (local) setups. The ransom notes as well as tricks of extorting the ransom amount might differ depending on certain neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In particular areas, the Trojans usually wrongfully report having actually detected some unlicensed applications enabled on the victim’s tool. The sharp after that requires the customer to pay the ransom money.

    Faulty statements concerning illegal content.

    In countries where software piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Conversely, the Ransom.Kraken popup alert may falsely claim to be originating from a law enforcement organization and will certainly report having situated kid porn or various other prohibited data on the gadget.

    Ransom.Kraken popup alert may incorrectly claim to be obtaining from a legislation enforcement establishment and will certainly report having situated youngster pornography or various other illegal data on the tool. The alert will likewise have a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 5EE35F64
md5: 1564f9d385a7a91bd82d3a58cb0524c9
name: 1564F9D385A7A91BD82D3A58CB0524C9.mlw
sha1: 1c6f0d5b7a7177f67a8b78ea0205819e0563120d
sha256: 4f13652f5ec4455614f222d0c67a05bb01b814d134a42584c3f4aa77adbe03d0
sha512: f3d903be1fbf7d2456138f00c22cd9df030ec6848977983ef2dbfb5b261925e3a05c1a4435c881cfe61e4a21fac26a5942e8b9acc2ba2e22dd63c3f0613756c9
ssdeep: 1536:JzJitLmxHC3lUv62lwMsayUNpmtmwWrLCy3tak4btw5zrRkgguxaOYvaHrWRxmY:Jzep0fuyP3taNbtw5Ugr8o
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright:
Assembly Version: 1.1.7.9
InternalName: Kraken.exe
FileVersion: 1.1.7.9
CompanyName:
LegalTrademarks:
Comments:
ProductName:
ProductVersion: 1.1.7.9
FileDescription:
OriginalFilename: Kraken.exe

Ransom.Kraken also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0053d3441 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.26539
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.KrakenCryptor
Cylance Unsafe
Zillya Trojan.SelfDel.Win32.59818
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:MSIL/Filecoder.032c1511
K7GW Trojan ( 0053d3441 )
Cybereason malicious.385a7a
Cyren W32/Kraken.SKJV-2602
Symantec Ransom.Kraken!gen1
ESET-NOD32 a variant of MSIL/Filecoder.PI
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.MSIL.SelfDel.gen
BitDefender Generic.Ransom.KrakenB.89A1AD35
NANO-Antivirus Trojan.Win32.SelfDel.fjnjjl
ViRobot Trojan.Win32.S.KrakenCryptor.120832
SUPERAntiSpyware Trojan.Agent/Gen-Zusy
MicroWorld-eScan Generic.Ransom.KrakenB.89A1AD35
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Generic.Ransom.KrakenB.89A1AD35
Sophos Mal/Generic-R + Mal/Krakryp-A
Comodo Malware@#25avdgh9ibdwe
BitDefenderTheta Gen:NN.ZemsilF.34628.hm0@a4ArGHg
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_KRAKEN.THAOCAAH
McAfee-GW-Edition Trojan-FQAD!1564F9D385A7
FireEye Generic.mg.1564f9d385a7a91b
Emsisoft Generic.Ransom.KrakenB.89A1AD35 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.MSIL.kmqh
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:MacOS/Filecoder
Arcabit Generic.Ransom.KrakenB.89A1AD35
AegisLab Trojan.MSIL.SelfDel.4!c
GData Generic.Ransom.KrakenB.89A1AD35
AhnLab-V3 Malware/Win32.Generic.C349247
McAfee Trojan-FQAD!1564F9D385A7
MAX malware (ai score=100)
VBA32 Trojan.MSIL.SelfDel
Malwarebytes Ransom.Kraken
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_KRAKEN.THAOCAAH
Rising Ransom.Kraken!8.10106 (CLOUD)
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.73709937.susgen
Fortinet MSIL/Filecoder.PI!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Kraken.HwMAEpsA

How to remove Ransom.Kraken 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 Ransom.Kraken 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom.Kraken 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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