What is Win32/Kryptik.FNBR infection?

In this post you will certainly locate regarding the definition of Win32/Kryptik.FNBR and also its adverse impact on your computer. Such ransomware are a type of malware that is specified by online scams to require paying the ransom by a target.

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Most of the instances, Win32/Kryptik.FNBR virus will certainly instruct its sufferers to start funds transfer for the function of counteracting the modifications that the Trojan infection has presented to the victim’s tool.

Win32/Kryptik.FNBR Summary

These alterations can be as follows:

  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the target’s disk drive — so the victim can no longer utilize the data;
  • Preventing regular 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.


One of the most common channels where Win32/Kryptik.FNBR Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of user winding up on a source that holds a harmful software application;

As quickly as the Trojan is successfully infused, it will either cipher the data on the sufferer’s PC or avoid the tool from operating in an appropriate manner – while likewise placing a ransom note that mentions the demand for the targets to effect the settlement for the function of decrypting the records or bring back the documents system back to the first condition. In most circumstances, the ransom money note will show up when the client reboots the PC after the system has currently been harmed.

Win32/Kryptik.FNBR circulation networks.

In numerous corners of the globe, Win32/Kryptik.FNBR grows by leaps and bounds. However, the ransom money notes and techniques of obtaining the ransom quantity may differ relying on certain local (local) setups. The ransom notes and techniques of extorting the ransom money quantity might vary depending on particular neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software.

    In specific areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications enabled on the victim’s device. The alert after that requires the individual to pay the ransom money.

    Faulty statements regarding unlawful material.

    In nations where software application piracy is less preferred, this approach is not as effective for the cyber frauds. Conversely, the Win32/Kryptik.FNBR popup alert might incorrectly declare to be originating from a law enforcement organization as well as will report having located child pornography or other illegal data on the device.

    Win32/Kryptik.FNBR popup alert may wrongly declare to be acquiring from a legislation enforcement institution and also will report having situated kid pornography or various other prohibited information on the device. The alert will likewise have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 00A3C0E7
md5: f4067281dcf49a5ea6c32c1cbcd2a28d
name: F4067281DCF49A5EA6C32C1CBCD2A28D.mlw
sha1: d93beb1b14463ecd91e7abfcede6491b39fdfa97
sha256: 0c741d0433eeacbc9adaf59b0491c64d75ce9d8c4b03e9d478fe359dff7c31d8
sha512: 19b81a81ad7859b4c6dfc9dad745b420af7d78ac42112d985adcfed3172a7ad0d39ce670357260816a8c812917943282fad57fe9a6baa4a2c3b1d412a8c9a5fb
ssdeep: 3072:uu2lpmZc7A6/33ovIybUkHpK8DhJM8rw8QEJddm:uuWmZIAxUgp/h6gU
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FNBR also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053c1e51 )
Elastic malicious (high confidence)
ClamAV Win.Ransomware.Cerber-5970166-0
ALYac MemScan:Trojan.Ransom.Cerber.FM
Malwarebytes Malware.Heuristic.1003
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Trojan:Win32/Cerber.c40079d6
K7GW Trojan ( 0053c1e51 )
Cybereason malicious.1dcf49
BitDefenderTheta Gen:NN.ZexaF.34628.gyWbaa34yAj
Symantec Ransom.Cerber
ESET-NOD32 a variant of Win32/Kryptik.FNBR
APEX Malicious
Avast Win32:Trojan-gen
Cynet Malicious (score: 100)
BitDefender MemScan:Trojan.Ransom.Cerber.FM
NANO-Antivirus Trojan.Win32.Filecoder.ekqesw
MicroWorld-eScan MemScan:Trojan.Ransom.Cerber.FM
Tencent Win32.Trojan.Prek.Dzsw
Ad-Aware MemScan:Trojan.Ransom.Cerber.FM
Sophos Mal/Generic-S + Mal/EncPk-AOP
Comodo TrojWare.Win32.Crypt.CA@6ykcle
F-Secure Trojan.TR/Crypt.ASPM.Gen
DrWeb Trojan.Encoder.4691
Emsisoft MemScan:Trojan.Ransom.Cerber.FM (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Prek.s
Avira TR/Crypt.ASPM.Gen
Microsoft Ransom:Win32/Cerber.G
Arcabit Trojan.Ransom.Cerber.FM
GData MemScan:Trojan.Ransom.Cerber.FM
AhnLab-V3 Trojan/Win32.Prek.C2879393
McAfee Artemis!F4067281DCF4
MAX malware (ai score=100)
VBA32 Trojan.Nymaim
Panda Trj/CI.A
Rising Ransom.Cerber!8.3058 (CLOUD)
Ikarus Trojan.Win32.Crypt
Fortinet W32/Kryptik.FOZG!tr
AVG Win32:Trojan-gen
Qihoo-360 Win32/Ransom.Cerber.Hw0At2MA

How to remove Win32/Kryptik.FNBR ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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.FNBR 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.FNBR you can always ask me in the comments for getting help.

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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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