Win32/Kryptik.FYYV

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

What is Win32/Kryptik.FYYV infection?

In this post you will find regarding the meaning of Win32/Kryptik.FYYV as well as its unfavorable influence on your computer system. Such ransomware are a type of malware that is clarified by on the internet frauds to require paying the ransom by a victim.

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Most of the instances, Win32/Kryptik.FYYV infection will instruct its victims to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Kryptik.FYYV Summary

These adjustments can be as complies with:

  • 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.
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the victim’s hard drive — so the victim can no longer make use of the information;
  • Preventing routine accessibility to the target’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/Kryptik.FYYV

One of the most common channels through which Win32/Kryptik.FYYV Ransomware Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of customer ending up on a resource that organizes a malicious software;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s PC or prevent the device from working in a correct manner – while also putting a ransom money note that mentions the demand for the sufferers to effect the payment for the purpose of decrypting the papers or bring back the data system back to the first problem. In many instances, the ransom note will certainly show up when the customer restarts the PC after the system has actually currently been harmed.

Win32/Kryptik.FYYV distribution channels.

In various edges of the globe, Win32/Kryptik.FYYV expands by leaps as well as bounds. However, the ransom notes and also tricks of extorting the ransom money quantity might differ depending on particular local (local) settings. The ransom notes and also methods of extorting the ransom quantity may vary depending on specific local (local) settings.

Ransomware injection

For example:

    Faulty informs about unlicensed software program.

    In particular locations, the Trojans often wrongfully report having found some unlicensed applications made it possible for on the target’s gadget. The sharp after that demands the customer to pay the ransom.

    Faulty statements regarding prohibited material.

    In nations where software program piracy is less popular, this technique is not as effective for the cyber fraudulences. Additionally, the Win32/Kryptik.FYYV popup alert might incorrectly assert to be stemming from a police establishment and also will report having located child porn or other unlawful data on the device.

    Win32/Kryptik.FYYV popup alert might falsely claim to be acquiring from a law enforcement institution and also will certainly report having located kid pornography or other unlawful data on the device. The alert will similarly consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: B1D990E3
md5: c3454998d3e57a0cb1bc04d5206d60f4
name: C3454998D3E57A0CB1BC04D5206D60F4.mlw
sha1: da7bb3c7e3bd260f0690578552b8319230b60d3c
sha256: a4e89971ea45149ca95107f1a57611bbec12ad6cbcca4c840519df92fd78dad3
sha512: ab9bc19e52f2ecb5838f73275d491995a521168e8cec45a03ea92850d0f5d58c8af7c634bc0929fffc9b36acd09600e9eed8f8234a27248c64d6e6f57caa887b
ssdeep: 6144:2X4AzR2ryCtehChG9PvuhMbBLBKZtPEetDfWy4Yl0wtj6uCxhMFi9nowh:2IAzR2ryCtehChG9PvuhMlLQZhEehzjW
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 2016 All rights reserved. GlobalLogic
InternalName: Newsgroupsstress
CompanyName: GlobalLogic
LegalTrademarks: xa9 2016 All rights reserved. GlobalLogic
ProductName: Newsgroupsstress
ProductVersion: 6.4.5.6
FileDescription: Undergrund Bohica Illnesses Files
Translation: 0x0409 0x04b0

Win32/Kryptik.FYYV also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
ALYacTrojan.GenericKD.6223268
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
Cybereasonmalicious.8d3e57
SymantecTrojan.Redaman
ESET-NOD32a variant of Win32/Kryptik.FYYV
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Trojan.Emotet-6378069-0
KasperskyTrojan-Ransom.Win32.Blocker.klgy
BitDefenderTrojan.GenericKD.6223268
NANO-AntivirusTrojan.Win32.Blocker.euxcig
MicroWorld-eScanTrojan.GenericKD.6223268
TencentWin32.Trojan.Inject.Auto
Ad-AwareTrojan.GenericKD.6223268
SophosMal/Generic-S
ComodoMalware@#1drc494obb1ij
BitDefenderThetaGen:NN.ZexaF.34692.vq0@aep4pTei
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Emotet.fc
FireEyeGeneric.mg.c3454998d3e57a0c
EmsisoftTrojan.GenericKD.6223268 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Blocker.hus
WebrootW32.Trojan.Emotet
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojanDropper:Win32/Evotob.B
AegisLabTrojan.Win32.Blocker.j!c
ZoneAlarmTrojan-Ransom.Win32.Blocker.klgy
GDataTrojan.GenericKD.6223268
AhnLab-V3Win-Trojan/Sagecrypt.Gen
McAfeeArtemis!C3454998D3E5
MAXmalware (ai score=87)
VBA32BScope.Exploit.Shellcode
MalwarebytesMachineLearning/Anomalous.100%
PandaTrj/CI.A
YandexTrojan.Blocker!jAXQ1O4ZruQ
IkarusTrojan-Ransom.Blocker
FortinetGenerik.EAYSWIC!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Win32/Kryptik.FYYV 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 Win32/Kryptik.FYYV 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/Kryptik.FYYV 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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