Win32/Kryptik.FVBN

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

What is Win32/Kryptik.FVBN infection?

In this article you will locate about the interpretation of Win32/Kryptik.FVBN and its negative effect on your computer. Such ransomware are a kind of malware that is elaborated by on the internet scams to require paying the ransom money by a target.

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Most of the cases, Win32/Kryptik.FVBN infection will certainly instruct its targets to launch funds move for the purpose of counteracting the modifications that the Trojan infection has presented to the victim’s gadget.

Win32/Kryptik.FVBN 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.
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the target’s hard disk — so the target can no longer utilize the information;
  • Preventing normal access 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.FVBN

One of the most regular networks through which Win32/Kryptik.FVBN Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of individual ending up on a resource that holds a harmful software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s computer or protect against the device from operating in an appropriate way – while also putting a ransom money note that states the demand for the targets to impact the settlement for the function of decrypting the papers or recovering the documents system back to the preliminary problem. In a lot of instances, the ransom money note will certainly show up when the client reboots the PC after the system has actually currently been harmed.

Win32/Kryptik.FVBN circulation networks.

In different edges of the globe, Win32/Kryptik.FVBN grows by leaps and also bounds. However, the ransom notes as well as tricks of obtaining the ransom quantity might differ relying on particular regional (regional) setups. The ransom notes and tricks of extorting the ransom amount might vary depending on specific regional (regional) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software program.

    In specific areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s gadget. The alert after that demands the user to pay the ransom money.

    Faulty declarations about illegal content.

    In countries where software application piracy is much less preferred, this method is not as efficient for the cyber fraudulences. Conversely, the Win32/Kryptik.FVBN popup alert may wrongly assert to be stemming from a law enforcement organization as well as will certainly report having situated child pornography or various other illegal information on the tool.

    Win32/Kryptik.FVBN popup alert might wrongly assert to be deriving from a law enforcement institution and also will certainly report having situated kid pornography or various other illegal data on the tool. The alert will in a similar way consist of a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 7399A849
md5: e9bafd71140bb56e98b0d03ce8336116
name: E9BAFD71140BB56E98B0D03CE8336116.mlw
sha1: 0e2e42dc900f5714236ebf3845f14cf87c8989ca
sha256: ccdb582ff25f5b202df90ddf4c981d005cce8a0293edd2293ba6d808dd73a82a
sha512: 073cbfa55f80155eba06a05ad998050dd41752b8ffa5bec6099bd8705418b8c7b94ddb2d9defebaa91c2276478dc36b1279fb983a38ace87aa5faad4211734a0
ssdeep: 6144:rKX+wj+r3Ub6AsUYa5hb3pYaRsUUG3ZjzY:rKu2fsU7b3pgujzY
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FVBN also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00515aa21 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.13168
CynetMalicious (score: 100)
CAT-QuickHealRansom.Exxroute.A5
ALYacGen:Variant.Ransom.Cerber.817
CylanceUnsafe
ZillyaTrojan.GenKryptik.Win32.9697
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
K7GWTrojan ( 005130151 )
Cybereasonmalicious.1140bb
CyrenW32/S-8e7e8bff!Eldorado
SymantecPacked.Generic.493
ESET-NOD32a variant of Win32/Kryptik.FVBN
APEXMalicious
AvastWin32:RansomX-gen [Ransom]
ClamAVWin.Ransomware.Cerber-7159632-0
KasperskyHEUR:Trojan-Banker.Win32.Emotet.pef
BitDefenderGen:Variant.Ransom.Cerber.817
NANO-AntivirusTrojan.Win32.Zerber.erhmmw
MicroWorld-eScanGen:Variant.Ransom.Cerber.817
TencentMalware.Win32.Gencirc.10b58bf0
Ad-AwareGen:Variant.Ransom.Cerber.817
SophosML/PE-A + Mal/Elenoocka-E
ComodoTrojWare.Win32.Ransom.Cerber.AB@76dn5e
F-SecureTrojan.TR/Crypt.XPACK.Gen8
BitDefenderThetaGen:NN.ZexaF.34722.puW@a8hy5yhi
TrendMicroRansom_CERBER.SMALY0
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.e9bafd71140bb56e
EmsisoftGen:Variant.Ransom.Cerber.817 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Generic.becns
AviraTR/Crypt.XPACK.Gen8
eGambitUnsafe.AI_Score_99%
Antiy-AVLTrojan/Generic.ASMalwS.215229E
MicrosoftRansom:Win32/Cerber.L!bit
ArcabitTrojan.Ransom.Cerber.817
GDataGen:Variant.Ransom.Cerber.817
AhnLab-V3Trojan/Win32.Cerber.R205337
Acronissuspicious
McAfeeRansomware-GDA!E9BAFD71140B
MAXmalware (ai score=82)
VBA32Trojan.Encoder
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_CERBER.SMALY0
RisingTrojan.Generic@ML.100 (RDML:od7p/zJqReX7rj9jZj3CBg)
YandexTrojan.GenAsa!dGcujKYXiMs
IkarusTrojan.Win32.Filecoder
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Kryptik.GLXU!tr
AVGWin32:RansomX-gen [Ransom]
Paloaltogeneric.ml

How to remove Win32/Kryptik.FVBN 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.FVBN 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.FVBN 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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