Win32/Kryptik.FNLN

What is Win32/Kryptik.FNLN infection?

In this article you will find regarding the definition of Win32/Kryptik.FNLN as well as its negative influence on your computer. Such ransomware are a form of malware that is elaborated by on the internet fraudulences to require paying the ransom money by a sufferer.

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Most of the situations, Win32/Kryptik.FNLN virus will certainly instruct its targets to start funds move for the objective of reducing the effects of the amendments that the Trojan infection has actually introduced to the victim’s device.

Win32/Kryptik.FNLN Summary

These modifications can be as complies with:

  • 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.
  • Enumerates user accounts on the system;
  • 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.;
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify desktop wallpaper;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Attempts to execute a binary from a dead or sinkholed URL;
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Attempts to access Bitcoin/ALTCoin wallets;
  • 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 documents found on the victim’s hard disk drive — so the victim can no longer utilize the information;
  • Preventing routine access to the sufferer’s workstation;

Win32/Kryptik.FNLN

One of the most common networks where Win32/Kryptik.FNLN are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of customer winding up on a resource that organizes a harmful software;

As quickly as the Trojan is effectively infused, it will either cipher the information on the victim’s PC or prevent the tool from operating in a proper manner – while also positioning a ransom money note that mentions the need for the sufferers to effect the settlement for the purpose of decrypting the papers or recovering the documents system back to the first problem. In many instances, the ransom note will certainly come up when the client reboots the PC after the system has actually currently been harmed.

Win32/Kryptik.FNLN circulation networks.

In different corners of the globe, Win32/Kryptik.FNLN grows by jumps and also bounds. However, the ransom notes and also techniques of obtaining the ransom quantity may vary relying on particular local (local) setups. The ransom money notes as well as tricks of extorting the ransom money amount may differ depending on specific regional (regional) settings.

Ransomware injection

For instance:

    Faulty signals about unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having identified some unlicensed applications made it possible for on the target’s tool. The sharp then demands the customer to pay the ransom.

    Faulty declarations regarding prohibited material.

    In nations where software application piracy is less popular, this method is not as effective for the cyber fraudulences. Additionally, the Win32/Kryptik.FNLN popup alert may incorrectly assert to be stemming from a law enforcement institution and will certainly report having located child porn or various other illegal data on the device.

    Win32/Kryptik.FNLN popup alert may falsely assert to be obtaining from a regulation enforcement institution and also will certainly report having located child pornography or various other illegal information on the tool. The alert will similarly consist of a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 7158279E
md5: 985c38492cc8b40eb35ef64d7f8454ef
name: 985C38492CC8B40EB35EF64D7F8454EF.mlw
sha1: a4f14b72578b8f00468849210e81c59df6369895
sha256: c9d177ee62dfeced7a1b7f86d01db426ca7601f9b22c8a6bf91e1dcf56ef575f
sha512: e810c91a3a6af6a2ffa691aec19961ba6cea8df4d39825e4a27b03e53aa38a078cef2f2a357274f3c47e8e78626e5430c48596316406f9aa2ee64c47cfdd9816
ssdeep: 6144:LNNWfNqdsf8T2cSqwlj1moVYXTfP/0R8VLG:LW4sf8TBS9oosTP/Ka6
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FNLN also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005137001 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.5994
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Exxroute.A3
ALYac Trojan.Ransom.Spora.Gen.1
Cylance Unsafe
Zillya Trojan.Zerber.Win32.893
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 005137001 )
Cybereason malicious.92cc8b
Baidu Win32.Trojan.Kryptik.bjq
Cyren W32/Ransom.CO.gen!Eldorado
Symantec Packed.Generic.493
ESET-NOD32 a variant of Win32/Kryptik.FNLN
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Cerber-5970200-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.Spora.Gen.1
NANO-Antivirus Trojan.Win32.Zerber.ekwazo
SUPERAntiSpyware Ransom.Cerber/Variant
MicroWorld-eScan Trojan.Ransom.Spora.Gen.1
Tencent Malware.Win32.Gencirc.10bbbd57
Ad-Aware Trojan.Ransom.Spora.Gen.1
Sophos Mal/Generic-R + Mal/Elenoocka-E
Comodo TrojWare.Win32.Crypt.C@7vajd0
BitDefenderTheta Gen:NN.ZexaF.34628.rmX@a4dwYJni
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.SMEK
McAfee-GW-Edition BehavesLike.Win32.Ransomware.dc
FireEye Generic.mg.985c38492cc8b40e
Emsisoft Trojan.Ransom.Spora.Gen.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.arute
Avira TR/Crypt.XPACK.Gen7
eGambit Unsafe.AI_Score_98%
Arcabit Trojan.Ransom.Spora.Gen.1
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Ransom.Spora.Gen.1
TACHYON Ransom/W32.Cerber.283109
AhnLab-V3 Trojan/Win32.Cerber.R194421
Acronis suspicious
McAfee Ransomware-FMJ!985C38492CC8
MAX malware (ai score=80)
VBA32 BScope.TrojanRansom.Cerber
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_CERBER.SMEK
Rising Trojan.Crypto!8.364 (RDMK:cmRtazpQ+3KsVpKSF5RWOOFk7DLI)
Yandex Trojan.GenAsa!qBssx6Mv2IE
Ikarus Trojan-Ransom.Cerber
Fortinet W32/GenKryptik.APXF!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Trojan.544

How to remove Win32/Kryptik.FNLN 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.FNLN 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.FNLN 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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