Win32/Kryptik.FKXX

What is Win32/Kryptik.FKXX infection?

In this article you will discover about the meaning of Win32/Kryptik.FKXX and also its negative impact on your computer. Such ransomware are a kind of malware that is elaborated by online frauds to demand paying the ransom money by a victim.

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Most of the instances, Win32/Kryptik.FKXX ransomware will certainly advise its sufferers to start funds transfer for the function of counteracting the changes that the Trojan infection has actually introduced to the target’s device.

Win32/Kryptik.FKXX Summary

These adjustments 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.

  • A process created a hidden window;
  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • 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;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Exhibits behavior characteristic of Cerber ransomware;
  • EternalBlue behavior. Allows cyber threat actors to remotely execute arbitrary code and gain access to a network by sending specially crafted packets.

    This is has made EternalBlue trick popular with various malware, such as Trickbot, a modular banking trojan, as well as CoinMiner and WannaMine, crypto miners that use the EternalBlue exploit in order to gain access to computing power to mine cryptocurrencies.

  • Generates some ICMP traffic;
  • 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 located on the sufferer’s disk drive — so the target can no longer make use of the data;
  • Preventing normal 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
z.whorecord.xyz Ransom.Cerber.A4
a.tomx.xyz Ransom.Cerber.A4

Win32/Kryptik.FKXX

One of the most normal channels whereby Win32/Kryptik.FKXX Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of individual winding up on a source that holds a destructive software;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s computer or prevent the tool from functioning in a correct way – while also placing a ransom money note that mentions the need for the victims to impact the repayment for the objective of decrypting the papers or bring back the data system back to the first condition. In many instances, the ransom note will show up when the customer reboots the COMPUTER after the system has currently been harmed.

Win32/Kryptik.FKXX distribution channels.

In various edges of the globe, Win32/Kryptik.FKXX grows by leaps and also bounds. Nevertheless, the ransom notes and also tricks of extorting the ransom amount might differ depending on certain local (local) settings. The ransom money notes as well as tricks of obtaining the ransom quantity may differ depending on certain neighborhood (local) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software.

    In specific locations, the Trojans usually wrongfully report having found some unlicensed applications enabled on the victim’s tool. The sharp after that requires the individual to pay the ransom.

    Faulty statements regarding illegal material.

    In nations where software application piracy is less popular, this method is not as efficient for the cyber fraudulences. Alternatively, the Win32/Kryptik.FKXX popup alert may wrongly assert to be originating from a police organization as well as will certainly report having situated youngster pornography or various other prohibited information on the tool.

    Win32/Kryptik.FKXX popup alert might falsely assert to be acquiring from a legislation enforcement organization and also will report having situated youngster pornography or various other unlawful data on the gadget. The alert will in a similar way include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 2419A7A8
md5: be5220e0cb71ef1b8f17edaadac4c098
name: BE5220E0CB71EF1B8F17EDAADAC4C098.mlw
sha1: 57bbb010ba30e267432fa4f35a866132640359f1
sha256: 02a7ee41861bed340826428c72d03c1534bf180c547af18ebaf51571a7675608
sha512: 538ec67d915f6f0017898a9053c1f45c6165936ecdd07ed4ccf61466e01ac6563f5bf5f2d76201092ceadcd214aab15b13ea4cba17b383962035922565435d1b
ssdeep: 12288:xm0+bjvfBp6pOcQmqtPxGKw3genar9XW6aG:7wn6UcQmEPx2wem9XW1G
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyrightxa9 2015 IObit. All Rights Reserved.
InternalName: Ahpdate
FileVersion: 3.3.2.133
CompanyName: IObit
LegalTrademarks: IObit
Comments: IObit Ahpdate
ProductName: IObit Ahpdate
ProductVersion: 3.0
FileDescription: IObit Ahpdate
OriginalFilename: Ahpdate.exe
Translation: 0x0409 0x04e4

Win32/Kryptik.FKXX also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0050c0801 )
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop7.4754
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Cerber.A4
ALYac Trojan.Mint.Zamg.O
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.983644
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Cerber.a96cf4ff
K7GW Trojan ( 004ff7161 )
Cybereason malicious.0cb71e
Baidu Win32.Trojan.Kryptik.ayf
Cyren W32/S-4a7d31de!Eldorado
Symantec Packed.Generic.459
ESET-NOD32 a variant of Win32/Kryptik.FKXX
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Ransomware.Cerber-5970098-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Mint.Zamg.O
NANO-Antivirus Trojan.Win32.Cerber.elpcjh
MicroWorld-eScan Trojan.Mint.Zamg.O
Tencent Malware.Win32.Gencirc.10b2361a
Ad-Aware Trojan.Mint.Zamg.O
Sophos ML/PE-A + Mal/Cerber-K
Comodo TrojWare.Win32.Ransom.Cerber.SD@6pf3lx
BitDefenderTheta Gen:NN.ZexaF.34686.Lq1@a8FAshej
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.SMEJ6
McAfee-GW-Edition BehavesLike.Win32.Ransomware.hh
FireEye Generic.mg.be5220e0cb71ef1b
Emsisoft Trojan.Mint.Zamg.O (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Zerber.ajj
Webroot W32.Trojan.Gen
Avira TR/Crypt.XPACK.Gen7
Microsoft Ransom:Win32/Cerber
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.Mint.Zamg.O
AhnLab-V3 Win-Trojan/Cerber.Gen
Acronis suspicious
McAfee Ransomware-CBER!BE5220E0CB71
MAX malware (ai score=100)
VBA32 BScope.Trojan.Encoder
Malwarebytes Cerber.Ransom.Encrypt.DDS
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_CERBER.SMEJ6
Rising Trojan.Kryptik!1.A850 (CLOUD)
Yandex Trojan.GenAsa!vjnFiUxG7vs
Ikarus Trojan.Win32.Crypt
Fortinet W32/Kryptik.HGZD!tr
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove Win32/Kryptik.FKXX 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.FKXX 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.FKXX 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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