Win32/Kryptik.FPBF

What is Win32/Kryptik.FPBF infection?

In this article you will locate concerning the interpretation of Win32/Kryptik.FPBF as well as its unfavorable effect on your computer system. Such ransomware are a type of malware that is clarified by online scams to require paying the ransom money by a sufferer.

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In the majority of the instances, Win32/Kryptik.FPBF virus will instruct its targets to initiate funds transfer for the purpose of neutralizing the changes that the Trojan infection has presented to the victim’s gadget.

Win32/Kryptik.FPBF 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.
  • Injection with CreateRemoteThread in a remote process;
  • 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.
  • 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;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • 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;
  • Queries information on disks for anti-virtualization via Device Information APIs;
  • Sniffs keystrokes;
  • A system process is generating network traffic likely as a result of process injection;
  • 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
  • Creates a copy of itself;
  • Harvests information related to installed mail clients;
  • Creates a slightly modified copy of itself;
  • Ciphering the documents situated on the target’s hard disk — so the victim can no more 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.

Win32/Kryptik.FPBF

One of the most regular channels whereby Win32/Kryptik.FPBF Trojans are infused are:

  • By methods of phishing emails;
  • As an effect of customer winding up on a source that hosts a harmful software;

As soon as the Trojan is efficiently infused, it will either cipher the information on the victim’s PC or avoid the gadget from working in a correct way – while also putting a ransom note that points out the requirement for the targets to impact the repayment for the objective of decrypting the documents or restoring the data system back to the initial problem. In the majority of instances, the ransom note will certainly show up when the client restarts the PC after the system has currently been damaged.

Win32/Kryptik.FPBF distribution networks.

In different edges of the world, Win32/Kryptik.FPBF expands by jumps as well as bounds. However, the ransom money notes and techniques of obtaining the ransom quantity may differ depending on specific local (local) setups. The ransom notes and also tricks of extorting the ransom money amount might differ depending on particular neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software.

    In particular locations, the Trojans frequently wrongfully report having identified some unlicensed applications allowed on the target’s gadget. The sharp then demands the individual to pay the ransom money.

    Faulty declarations concerning unlawful web content.

    In countries where software piracy is less preferred, this method is not as efficient for the cyber scams. Alternatively, the Win32/Kryptik.FPBF popup alert might incorrectly claim to be stemming from a law enforcement organization and will certainly report having situated child porn or various other illegal data on the device.

    Win32/Kryptik.FPBF popup alert might falsely declare to be acquiring from a legislation enforcement institution and will report having situated child porn or various other illegal information on the device. The alert will in a similar way contain a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 871D4523
md5: e1aba4fb9e3ceb9c162dd950d71f8f3d
name: E1ABA4FB9E3CEB9C162DD950D71F8F3D.mlw
sha1: d4af2376f66e9dd11ad967f869553cc357cea85c
sha256: b76a5efa6a44afae419a3d3d0f65eace1ce5d6e7b9608cac707026ea646ece7a
sha512: f74c62c07a8e67a897ba88889f6de0e142aa81926bd07cd4f753b795778b4ff342b6db845ab10bae8100e396dc6e5e83917b5557042ec54254fbff91403244b0
ssdeep: 6144:Fol+B2HFbbkZGy3qa+qPk7rqfXfiYzaGfvLmiMqBoeSfwaB6BM:il+Bj7+qkrqffigzfDhMqBVOX6B
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FPBF also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005137001 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Sphinx.2
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Exxroute.A3
ALYac Gen:Variant.Fugrafa.93158
Cylance Unsafe
Zillya Trojan.Generic.Win32.1290675
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanSpy:Win32/Ursnif.1df9510c
K7GW Trojan ( 005071111 )
Cybereason malicious.b9e3ce
Symantec Packed.Generic.493
ESET-NOD32 a variant of Win32/Kryptik.FPBF
APEX Malicious
Avast Win32:Filecoder-AY [Trj]
ClamAV Win.Ransomware.Cerber-6162264-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Fugrafa.93158
NANO-Antivirus Trojan.Win32.Androm.emcffc
MicroWorld-eScan Gen:Variant.Fugrafa.93158
Tencent Win32.Trojan.Kryptik.Ajlj
Ad-Aware Gen:Variant.Fugrafa.93158
Sophos ML/PE-A + Mal/Elenoocka-E
Comodo TrojWare.Win32.Crypt.C@7vajd0
BitDefenderTheta Gen:NN.ZexaF.34628.umW@aiKyCXl
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.SM37
McAfee-GW-Edition BehavesLike.Win32.Ransomware.fc
FireEye Generic.mg.e1aba4fb9e3ceb9c
Emsisoft Gen:Variant.Fugrafa.93158 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor.Androm.nog
Avira HEUR/AGEN.1116786
eGambit Unsafe.AI_Score_93%
Microsoft TrojanSpy:Win32/Ursnif.HX
Arcabit Trojan.Fugrafa.D16BE6
GData Gen:Variant.Fugrafa.93158
AhnLab-V3 Trojan/Win32.Cerber.R195956
Acronis suspicious
McAfee Ransomware-FMJ!E1ABA4FB9E3C
MAX malware (ai score=88)
VBA32 BScope.TrojanPSW.Sphinx
Malwarebytes Malware.AI.629816054
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_CERBER.SM37
Rising Trojan.Ransom.GlobeImposter!1.AF70 (CLOUD)
Yandex Trojan.GenAsa!LRPzJS86Bbc
Ikarus Trojan-Ransom.Cerber
Fortinet W32/Kryptik.GKVH!tr
AVG Win32:Filecoder-AY [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Filecoder.HxQB78oA

How to remove Win32/Kryptik.FPBF 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.FPBF 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.FPBF 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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