Win32/Kryptik.FBTI

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

What is Win32/Kryptik.FBTI infection?

In this post you will certainly locate about the definition of Win32/Kryptik.FBTI as well as its unfavorable effect on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet fraudulences to demand paying the ransom money by a target.

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Most of the situations, Win32/Kryptik.FBTI virus will certainly instruct its victims to launch funds move for the purpose of reducing the effects of the amendments that the Trojan infection has introduced to the target’s gadget.

Win32/Kryptik.FBTI 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 created a hidden window;
  • Uses Windows utilities for basic functionality;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Attempts to identify installed AV products by registry key;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the victim’s hard disk — so the target can no more make use of the data;
  • Preventing normal access to the victim’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.FBTI

One of the most normal networks where Win32/Kryptik.FBTI Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of user ending up on a source that holds a malicious software;

As quickly as the Trojan is effectively injected, it will either cipher the data on the target’s computer or protect against the tool from functioning in a proper way – while also placing a ransom note that states the need for the victims to impact the settlement for the purpose of decrypting the papers or bring back the data system back to the first problem. In most circumstances, the ransom money note will certainly show up when the client reboots the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.FBTI circulation channels.

In different edges of the world, Win32/Kryptik.FBTI expands by leaps and also bounds. Nonetheless, the ransom money notes and also tricks of obtaining the ransom quantity may differ relying on certain neighborhood (regional) settings. The ransom money notes as well as methods of obtaining the ransom money amount may differ depending on particular regional (local) settings.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software application.

    In certain areas, the Trojans usually wrongfully report having actually found some unlicensed applications enabled on the sufferer’s device. The sharp after that requires the customer to pay the ransom.

    Faulty statements about prohibited content.

    In countries where software application piracy is less popular, this method is not as efficient for the cyber fraudulences. Conversely, the Win32/Kryptik.FBTI popup alert may falsely claim to be stemming from a law enforcement institution and also will report having located child pornography or other prohibited data on the tool.

    Win32/Kryptik.FBTI popup alert might falsely assert to be deriving from a legislation enforcement institution and will report having located child pornography or other prohibited data on the gadget. The alert will likewise have a need for the user to pay the ransom.

Technical details

File Info:

crc32: D6000991
md5: b2b942f75b9e3d34135ba4beb841128f
name: B2B942F75B9E3D34135BA4BEB841128F.mlw
sha1: 0bfe486b908b84f17405c2a825a658f553e66e04
sha256: d6e6506c3a1c6105a29166dfed6b1db084340363d3332dc670952c93c851c443
sha512: f870461d8256c8e65fdae16b5a47b782849d2995592ff144b0c8dbc7090095fe957566671584bc6695c6fc3e3822cc4802676c4c9520892c07ed0cc59ccaa98b
ssdeep: 6144:Blv0nev4mxS5Z74zKzatFFIJtyiyZqvRWdo:Bl8eAmxKZESabFiyZwk2
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

CompanyName: WinAbilityxae Software Corporation
Translation: 0x0409 0x04b0

Win32/Kryptik.FBTI also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 00533f671 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Locky.ZZ4
ALYac Trojan.Ransom.BUP
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Bunitu.ali1000105
K7GW Trojan ( 00533f671 )
Cybereason malicious.75b9e3
Cyren W32/Kryptik.CUI.gen!Eldorado
Symantec Packed.Generic.459
ESET-NOD32 a variant of Win32/Kryptik.FBTI
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Bunitu-9829998-1
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.BUP
NANO-Antivirus Trojan.Win32.Yakes.etlqda
MicroWorld-eScan Trojan.Ransom.BUP
Tencent Malware.Win32.Gencirc.10b49313
Ad-Aware Trojan.Ransom.BUP
Sophos ML/PE-A + Mal/Cerber-AL
Comodo TrojWare.Win32.TrojanProxy.Bunitu.AVDS@7bgtob
F-Secure Heuristic.HEUR/AGEN.1129194
BitDefenderTheta Gen:NN.ZexaF.34608.Mq0@aGuV9Wai
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPCERBER.SMALY5B
McAfee-GW-Edition BehavesLike.Win32.Ransomware.jh
FireEye Generic.mg.b2b942f75b9e3d34
Emsisoft Trojan.Ransom.BUP (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1129194
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft TrojanProxy:Win32/Bunitu.Q!bit
Arcabit Trojan.Ransom.BUP
AegisLab Hacktool.Win32.Krap.lKMc
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Ransom.BUP
AhnLab-V3 Trojan/Win32.Yakes.R210215
Acronis suspicious
McAfee Ransomware-GCQ!B2B942F75B9E
MAX malware (ai score=100)
VBA32 Trojan.Yakes
Malwarebytes Qbot.Backdoor.Stealer.DDS
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_HPCERBER.SMALY5B
Rising Trojan.Kryptik!1.AD43 (CLOUD)
Yandex Trojan.GenAsa!17pMCDbjsfg
Ikarus Trojan-Proxy.Win32.Bunitu
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Dridex.IZC!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HgIASOQA

How to remove Win32/Kryptik.FBTI 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.FBTI 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.FBTI 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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