Win32/Kryptik.FXSB

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

What is Win32/Kryptik.FXSB infection?

In this short article you will certainly discover regarding the definition of Win32/Kryptik.FXSB and its unfavorable effect on your computer. Such ransomware are a kind of malware that is elaborated by online scams to require paying the ransom by a sufferer.

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Most of the situations, Win32/Kryptik.FXSB ransomware will advise its targets to initiate funds transfer for the function of neutralizing the changes that the Trojan infection has actually introduced to the victim’s tool.

Win32/Kryptik.FXSB 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.
  • Compression (or decompression);
  • 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.
  • Attempts to connect to a dead IP:Port (6 unique times);
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Ciphering the documents located on the victim’s hard disk — so the target can no more make use of the data;
  • Preventing routine 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.
Similar behavior
Related domains
z.whorecord.xyz Trojan-Ransom.Win32.GandCrypt.fgs
a.tomx.xyz Trojan-Ransom.Win32.GandCrypt.fgs
www.billerimpex.com Trojan-Ransom.Win32.GandCrypt.fgs
www.macartegrise.eu Trojan-Ransom.Win32.GandCrypt.fgs
www.poketeg.com Trojan-Ransom.Win32.GandCrypt.fgs
perovaphoto.ru Trojan-Ransom.Win32.GandCrypt.fgs
asl-company.ru Trojan-Ransom.Win32.GandCrypt.fgs
www.fabbfoundation.gm Trojan-Ransom.Win32.GandCrypt.fgs
www.perfectfunnelblueprint.com Trojan-Ransom.Win32.GandCrypt.fgs
www.wash-wear.com Trojan-Ransom.Win32.GandCrypt.fgs
pp-panda74.ru Trojan-Ransom.Win32.GandCrypt.fgs
cevent.net Trojan-Ransom.Win32.GandCrypt.fgs
bellytobabyphotographyseattle.com Trojan-Ransom.Win32.GandCrypt.fgs
alem.be Trojan-Ransom.Win32.GandCrypt.fgs
apps.identrust.com Trojan-Ransom.Win32.GandCrypt.fgs
crl.identrust.com Trojan-Ransom.Win32.GandCrypt.fgs
boatshowradio.com Trojan-Ransom.Win32.GandCrypt.fgs
dna-cp.com Trojan-Ransom.Win32.GandCrypt.fgs
acbt.fr Trojan-Ransom.Win32.GandCrypt.fgs
r3.o.lencr.org Trojan-Ransom.Win32.GandCrypt.fgs
wpakademi.com Trojan-Ransom.Win32.GandCrypt.fgs
www.cakav.hu Trojan-Ransom.Win32.GandCrypt.fgs
www.mimid.cz Trojan-Ransom.Win32.GandCrypt.fgs
6chen.cn Trojan-Ransom.Win32.GandCrypt.fgs
goodapd.website Trojan-Ransom.Win32.GandCrypt.fgs
oceanlinen.com Trojan-Ransom.Win32.GandCrypt.fgs
tommarmores.com.br Trojan-Ransom.Win32.GandCrypt.fgs
nesten.dk Trojan-Ransom.Win32.GandCrypt.fgs
zaeba.co.uk Trojan-Ransom.Win32.GandCrypt.fgs
www.n2plus.co.th Trojan-Ransom.Win32.GandCrypt.fgs
koloritplus.ru Trojan-Ransom.Win32.GandCrypt.fgs
h5s.vn Trojan-Ransom.Win32.GandCrypt.fgs
marketisleri.com Trojan-Ransom.Win32.GandCrypt.fgs
www.toflyaviacao.com.br Trojan-Ransom.Win32.GandCrypt.fgs
www.rment.in Trojan-Ransom.Win32.GandCrypt.fgs
www.lagouttedelixir.com Trojan-Ransom.Win32.GandCrypt.fgs
www.krishnagrp.com Trojan-Ransom.Win32.GandCrypt.fgs
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ocsp.digicert.com Trojan-Ransom.Win32.GandCrypt.fgs
mauricionacif.com Trojan-Ransom.Win32.GandCrypt.fgs
www.ismcrossconnect.com Trojan-Ransom.Win32.GandCrypt.fgs
aurumwedding.ru Trojan-Ransom.Win32.GandCrypt.fgs
test.theveeview.com Trojan-Ransom.Win32.GandCrypt.fgs
relectrica.com.mx Trojan-Ransom.Win32.GandCrypt.fgs
bethel.com.ve Trojan-Ransom.Win32.GandCrypt.fgs
vjccons.com.vn Trojan-Ransom.Win32.GandCrypt.fgs
bloghalm.eu Trojan-Ransom.Win32.GandCrypt.fgs
cyclevegas.com Trojan-Ransom.Win32.GandCrypt.fgs
royal.by Trojan-Ransom.Win32.GandCrypt.fgs
www.himmerlandgolf.dk Trojan-Ransom.Win32.GandCrypt.fgs
hoteltravel2018.com Trojan-Ransom.Win32.GandCrypt.fgs
picusglancus.pl Trojan-Ransom.Win32.GandCrypt.fgs
unnatimotors.in Trojan-Ransom.Win32.GandCrypt.fgs
krasnaypolyana123.ru Trojan-Ransom.Win32.GandCrypt.fgs
smbardoli.org Trojan-Ransom.Win32.GandCrypt.fgs
blokefeed.club Trojan-Ransom.Win32.GandCrypt.fgs
evotech.lu Trojan-Ransom.Win32.GandCrypt.fgs
devdev.com.br Trojan-Ransom.Win32.GandCrypt.fgs

Win32/Kryptik.FXSB

The most regular channels whereby Win32/Kryptik.FXSB Ransomware are injected are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a source that hosts a destructive software application;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the target’s PC or protect against the device from working in an appropriate manner – while additionally putting a ransom money note that points out the need for the targets to impact the repayment for the objective of decrypting the documents or bring back the documents system back to the preliminary condition. In a lot of instances, the ransom money note will certainly turn up when the customer reboots the PC after the system has already been harmed.

Win32/Kryptik.FXSB distribution networks.

In various edges of the world, Win32/Kryptik.FXSB grows by leaps as well as bounds. Nonetheless, the ransom notes as well as tricks of obtaining the ransom amount may vary relying on particular neighborhood (regional) setups. The ransom notes as well as techniques of extorting the ransom money amount might differ depending on certain local (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software application.

    In specific areas, the Trojans frequently wrongfully report having spotted some unlicensed applications allowed on the sufferer’s device. The alert after that requires the customer to pay the ransom money.

    Faulty statements concerning illegal material.

    In countries where software piracy is much less prominent, this technique is not as efficient for the cyber scams. Alternatively, the Win32/Kryptik.FXSB popup alert may incorrectly declare to be deriving from a law enforcement establishment as well as will certainly report having located kid porn or other unlawful data on the gadget.

    Win32/Kryptik.FXSB popup alert might wrongly declare to be deriving from a regulation enforcement institution and also will certainly report having located child pornography or various other prohibited information on the device. The alert will similarly have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 256FE915
md5: d6eb0b512ef87fa621677109700dbb28
name: D6EB0B512EF87FA621677109700DBB28.mlw
sha1: b7f6222980858d3aa361663ad66a67cad9f6ca78
sha256: 4f8f836a42cda5b513a1f3aeee102f2fa70985bd5cb7113a6aceccb876340e44
sha512: f68645b93a47a0da40459904f16ddb65fa3ac346827e8611cfb17ddc551048c04dbf8910ebb9641735ebedeb4f2e6eaeafc93d008d281aa0fbe605a7e192d454
ssdeep: 6144:hjKVpqJxl/+LQ4QS4OotjPL8JUZbFNupxA5r9DSzMQkA+aHpWKInMQ0gPdNm:hjlJ//+FQVLL8Kf6U0aA3HMVMQBdg
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright xa9 1999 - 2014 Codelobster Software
InternalName: Pulls Centered
CompanyName: Codelobster Software
PrivateBuild: 8.8.6.9
LegalTrademarks: Copyright xa9 1999 - 2014 Codelobster Software
ProductName: Pulls Centered
ProductVersion: 8.8.6.9
FileDescription: Revision Unparalleled Agg Cpies
OriginalFilename: Pulls Centered
Translation: 0x0409 0x04b0

Win32/Kryptik.FXSB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
FireEye Generic.mg.d6eb0b512ef87fa6
McAfee Artemis!D6EB0B512EF8
Malwarebytes Malware.Heuristic.1003
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005197c01 )
K7GW Trojan ( 005197c01 )
CrowdStrike win/malicious_confidence_60% (D)
BitDefenderTheta Gen:NN.ZexaF.34590.wmKfaqi@V!ni
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.GandCrypt.fgs
Alibaba Ransom:Win32/GandCrypt.9e130034
NANO-Antivirus Trojan.Win32.GandCrypt.figsgt
Rising Ransom.GandCrypt!8.F33E (CLOUD)
Sophos Mal/Generic-S
Comodo Packed.Win32.MUPX.Gen@24tbus
F-Secure Heuristic.HEUR/AGEN.1141115
McAfee-GW-Edition BehavesLike.Win32.Dropper.fc
Ikarus Trojan-Ransom.GandCrab
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1141115
Microsoft Trojan:Win32/Wacatac.B!ml
ZoneAlarm Trojan-Ransom.Win32.GandCrypt.fgs
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.Generic.C2727435
ALYac Trojan.Ransom.GandCrab
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.FXSB
Tencent Win32.Trojan.Gandcrypt.Wtxj
Yandex Trojan.GandCrypt!Ew4ppob2UyE
Fortinet W32/Kryptik.FXSB!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Kryptik.FXSB 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.FXSB 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.FXSB 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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