Win32/Kryptik.FJKV

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

What is Win32/Kryptik.FJKV infection?

In this post you will certainly discover concerning the definition of Win32/Kryptik.FJKV and also its negative influence on your computer. Such ransomware are a form of malware that is specified by on the internet scams to require paying the ransom money by a victim.

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In the majority of the instances, Win32/Kryptik.FJKV ransomware will certainly advise its targets to initiate funds move for the purpose of counteracting the modifications that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Kryptik.FJKV 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.;
  • Expresses interest in specific running processes;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • 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;
  • Attempts to delete volume shadow copies;
  • Exhibits behavior characteristic of Cerber ransomware;
  • 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 papers situated on the sufferer’s disk drive — so the victim can no longer make use of the data;
  • 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.

Win32/Kryptik.FJKV

The most normal channels through which Win32/Kryptik.FJKV Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of customer ending up on a source that hosts a harmful software;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the target’s computer or prevent the device from functioning in a proper way – while additionally placing a ransom money note that points out the need for the sufferers to impact the settlement for the purpose of decrypting the documents or bring back the file system back to the first condition. In a lot of circumstances, the ransom note will certainly come up when the customer restarts the PC after the system has actually already been harmed.

Win32/Kryptik.FJKV distribution channels.

In different corners of the world, Win32/Kryptik.FJKV grows by jumps as well as bounds. However, the ransom money notes and methods of extorting the ransom amount might differ relying on certain regional (local) settings. The ransom money notes and also tricks of obtaining the ransom money amount may vary depending on certain neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software program.

    In certain areas, the Trojans often wrongfully report having detected some unlicensed applications enabled on the sufferer’s gadget. The sharp then requires the customer to pay the ransom.

    Faulty declarations concerning prohibited web content.

    In countries where software application piracy is less prominent, this method is not as reliable for the cyber frauds. Alternatively, the Win32/Kryptik.FJKV popup alert may wrongly assert to be deriving from a law enforcement organization as well as will certainly report having situated child porn or other illegal information on the tool.

    Win32/Kryptik.FJKV popup alert may wrongly claim to be obtaining from a legislation enforcement institution as well as will report having located kid porn or various other prohibited information on the tool. The alert will similarly consist of a demand for the user to pay the ransom.

Technical details

File Info:

crc32: E2AD7FB3
md5: be45fa5a35a4add9f39f3e081df294c2
name: BE45FA5A35A4ADD9F39F3E081DF294C2.mlw
sha1: 73ef310bb027d384715ff34ed961b98eae31405e
sha256: 3903fedcbddaa0e7fe2fe3bcf9cee08beace8fc873298cb32a3742efaa6fdd25
sha512: bd2c8442da3b25138e3a65345aa605bb175a3220fa3aea511c789409b840b7c219d94f29426f424735256ae7b2ac6865d0d9e9dc65a938149296dc2bc7fa4755
ssdeep: 6144:8ywd1jAVVSnn/lm2IGh+ASR3mW/ALal6V:8ywd1jAmn/1xZU2WoLala
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

XXXXXXXXXXXXXXXXXX: ?,x01FileDescription
XXXX: |,x01LegalCopyright
FileVersion: 2.0.6.0
CompanyName: TechSmith Corporation
yright (C) 2005 TechSmith Corporation: X
hSmith Screen Capture Codec 33333ller: X
Translation: 0x0409 0x04e4

Win32/Kryptik.FJKV also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 005224381 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.7074
CynetMalicious (score: 100)
CAT-QuickHealTrojanRansom.Crowti.MUE.A4
ALYacTrojan.Ransom.Cerber.1
CylanceUnsafe
ZillyaTrojan.Kryptik.Win32.970716
SangforRansom.Win32.Cerber_51.se
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Cerber.abebf548
K7GWTrojan ( 004fcba41 )
Cybereasonmalicious.a35a4a
BaiduWin32.Trojan.Kryptik.ayf
CyrenW32/Trojan.UO.gen!Eldorado
SymantecPacked.Generic.459
ESET-NOD32a variant of Win32/Kryptik.FJKV
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Ransomware.Cerber-7460267-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Ransom.Cerber.1
NANO-AntivirusTrojan.Win32.Zerber.erbcfw
MicroWorld-eScanTrojan.Ransom.Cerber.1
TencentMalware.Win32.Gencirc.10b4af84
Ad-AwareTrojan.Ransom.Cerber.1
SophosML/PE-A + Mal/Cerber-B
ComodoTrojWare.Win32.Ransom.Cerber.BS@6s12k8
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_CERBER.SMEJ7
McAfee-GW-EditionBehavesLike.Win32.Generic.fh
FireEyeGeneric.mg.be45fa5a35a4add9
EmsisoftTrojan.Ransom.Cerber.1 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Crypt.XPACK.Gen7
eGambitUnsafe.AI_Score_60%
MicrosoftRansom:Win32/Cerber.F
AegisLabTrojan.Win32.Generic.4!c
ZoneAlarmTrojan.Win32.Menti.gen
GDataTrojan.Ransom.Cerber.1
AhnLab-V3Win-Trojan/Cerber.Gen
Acronissuspicious
McAfeePacked-MU!BE45FA5A35A4
MAXmalware (ai score=100)
VBA32Hoax.Zerber
MalwarebytesCerber.Ransom.Encrypt.DDS
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_CERBER.SMEJ7
RisingTrojan.Kryptik!1.AE9C (CLOUD)
IkarusTrojan.Crypt
MaxSecureTrojan.Malware.7164915.susgen
FortinetW32/Injector.EETM!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Cerber.HxQBe7sA

How to remove Win32/Kryptik.FJKV ransomware?

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.FJKV 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.FJKV 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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