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

What is Win32/Kryptik.FUVK infection?

In this short article you will certainly find concerning the definition of Win32/Kryptik.FUVK and also its adverse effect on your computer. Such ransomware are a kind of malware that is specified by online fraudulences to require paying the ransom by a victim.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

In the majority of the cases, Win32/Kryptik.FUVK ransomware will certainly instruct its sufferers to initiate funds move for the function of neutralizing the modifications that the Trojan infection has actually introduced to the victim’s tool.

Win32/Kryptik.FUVK 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s hard disk drive — so the victim can no more use the information;
  • 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.
Similar behavior
Related domains Trojan.Ransomware.GenericKD.41890148 Trojan.Ransomware.GenericKD.41890148


One of the most regular channels where Win32/Kryptik.FUVK Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As an effect of customer ending up on a resource that organizes a destructive software;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s computer or stop the gadget from operating in a correct fashion – while also putting a ransom note that mentions the need for the victims to effect the payment for the purpose of decrypting the records or restoring the file system back to the initial problem. In most circumstances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has currently been damaged.

Win32/Kryptik.FUVK distribution networks.

In different corners of the world, Win32/Kryptik.FUVK grows by leaps and bounds. Nonetheless, the ransom notes as well as methods of extorting the ransom money amount may differ depending on certain local (local) settings. The ransom money notes as well as techniques of obtaining the ransom money amount may vary depending on certain regional (regional) settings.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having spotted some unlicensed applications allowed on the sufferer’s gadget. The sharp then requires the individual to pay the ransom.

    Faulty statements regarding illegal material.

    In countries where software application piracy is less preferred, this approach is not as efficient for the cyber fraudulences. Conversely, the Win32/Kryptik.FUVK popup alert might wrongly assert to be stemming from a police organization as well as will report having located kid pornography or other prohibited data on the device.

    Win32/Kryptik.FUVK popup alert may falsely declare to be deriving from a law enforcement establishment and will certainly report having situated child porn or various other unlawful information on the gadget. The alert will in a similar way consist of a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: CC44EA52
md5: b4fd7d2f41c0f17f40a71933a4e019d4
name: B4FD7D2F41C0F17F40A71933A4E019D4.mlw
sha1: b8a068e9e7c4d1d1720074949c9c0f0db303bc5c
sha256: 47a0ad8d9c693c25a88b7593382290d65e503f5d633d858ed50df795687ee38c
sha512: d2fcea2ed1d1672e9f715ef19471fb20790b5dba414168707e000ce0943af803d52f0727024b273a6e91a331674e1773c5014a4dbbd912cc5249e13cf2068799
ssdeep: 6144:tG7c2I7dYOAmEF1tLR6PMWlu7rPkEzCvxY7lHrF25n0:tG7c26dYOpE/T6PMNrf+ZY7Nw0
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2004,2005 Nokia. All rights reserved.
InternalName: namcore
CompanyName: Nokia
LegalTrademarks: Copyright xa9 2004,2005 Nokia. All rights reserved.
ProductName: Audio Manager component
FileDescription: Audio Manager core component
OriginalFilename: namcore.exe
Translation: 0x0409 0x04b0

Win32/Kryptik.FUVK also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0056e91a1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10121
Cynet Malicious (score: 100)
ALYac Trojan.Ransomware.GenericKD.41890148
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/Kryptik.e07a11d7
K7GW Trojan ( 0056e91a1 )
Cybereason malicious.f41c0f
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.FUVK
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransomware.GenericKD.41890148
NANO-Antivirus Trojan.Win32.Locky.evjlvs
MicroWorld-eScan Trojan.Ransomware.GenericKD.41890148
Tencent Win32.Trojan.Generic.Phqj
Ad-Aware Trojan.Ransomware.GenericKD.41890148
Sophos Mal/Generic-S
Comodo Malware@#39a01w3d1ok3d
BitDefenderTheta Gen:NN.ZexaF.34722.xu0@aqu@cdci
VIPRE Trojan.Win32.Generic.pak!cobra
TrendMicro Ransom_HPLOCKY.SME
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
Emsisoft Trojan.Ransomware.GenericKD.41890148 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1128643
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.22CD05F
Microsoft Ransom:Win32/Genasom
Arcabit Trojan.Ransomware.Generic.D27F3164
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.Ransomware.GenericKD.41890148
AhnLab-V3 Trojan/Win32.Ransom.R192232
McAfee Artemis!B4FD7D2F41C0
MAX malware (ai score=99)
VBA32 BScope.Trojan.Encoder
Malwarebytes Malware.AI.4182375526
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_HPLOCKY.SME
Rising [email protected] (RDML:B4Ua1UzyHQcgL5aWNU4dFw)
Yandex Trojan.Agent!VFRk0UIdgrs
Ikarus Trojan.Win32.Crypt
Fortinet W32/Kryptik.FUVK!tr
AVG Win32:Malware-gen

How to remove Win32/Kryptik.FUVK 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 Win32/Kryptik.FUVK 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Kryptik.FUVK you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

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.

Leave a Reply