Win32/Kryptik.FNMN

Written by Robert Bailey

What is Win32/Kryptik.FNMN infection?

In this article you will certainly discover concerning the definition of Win32/Kryptik.FNMN and its adverse effect on your computer system. Such ransomware are a form of malware that is specified by on the internet frauds to demand paying the ransom money by a target.

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Most of the instances, Win32/Kryptik.FNMN ransomware will advise its targets to initiate funds move for the objective of counteracting the amendments that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Kryptik.FNMN Summary

These adjustments 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.
  • 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 files situated on the sufferer’s hard drive — so the victim can no more make use of the information;
  • Preventing regular 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.FNMN

One of the most regular networks where Win32/Kryptik.FNMN Trojans are injected are:

  • By means of phishing e-mails;
  • As an effect of individual winding up on a source that hosts a harmful software application;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s computer or protect against the device from working in an appropriate fashion – while likewise placing a ransom note that discusses the need for the victims to effect the payment for the function of decrypting the documents or restoring the data system back to the initial problem. In many circumstances, the ransom note will certainly turn up when the client reboots the COMPUTER after the system has currently been harmed.

Win32/Kryptik.FNMN distribution channels.

In numerous edges of the globe, Win32/Kryptik.FNMN expands by leaps and also bounds. Nonetheless, the ransom notes as well as techniques of extorting the ransom money amount may differ relying on certain local (local) settings. The ransom money notes as well as techniques of extorting the ransom quantity might vary depending on particular neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software.

    In particular areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications allowed on the sufferer’s device. The sharp after that demands the user to pay the ransom money.

    Faulty statements regarding illegal material.

    In countries where software piracy is less prominent, this method is not as effective for the cyber scams. Additionally, the Win32/Kryptik.FNMN popup alert may wrongly declare to be originating from a law enforcement organization as well as will report having located youngster porn or various other illegal data on the device.

    Win32/Kryptik.FNMN popup alert may incorrectly assert to be acquiring from a law enforcement institution and also will report having situated youngster porn or various other unlawful information on the tool. The alert will similarly contain a need for the user to pay the ransom.

Technical details

File Info:

crc32: B14D3E78
md5: 54d0ce030b0249a9166b56526654a60b
name: 54D0CE030B0249A9166B56526654A60B.mlw
sha1: b13ad21f000c90a4ef4795bb610dc9bf85ef5be4
sha256: d95146fca0a9e9001919e262f9ba8c2ff176fc6783b5436d9e4a67d125bf3062
sha512: 20d2e7a71b4996a3f03a3aec5a8e620b6da41e623c17270f0a6d7afb3d4486d0350967582a1f6c49bb7d6fbfa5d6cf9d279637c7fd0f6998ad71787c246a6b21
ssdeep: 6144:3siauk2AWxslzBu80klFvHMRit+NvWoEabp6q:3s/KsBu80GsR6+NvWofN6q
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FNMN also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005190011 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.7458
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Exxroute.A3
ALYac Trojan.Ransom.Spora.Gen.1
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.1040227
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Cerber.ali1020013
K7GW Trojan ( 005043d61 )
Cybereason malicious.30b024
Cyren W32/Trojan.XA.gen!Eldorado
Symantec Packed.Generic.493
ESET-NOD32 a variant of Win32/Kryptik.FNMN
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Ransomware.Cerber-5970166-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.Spora.Gen.1
NANO-Antivirus Trojan.Win32.Encoder.euzqfo
MicroWorld-eScan Trojan.Ransom.Spora.Gen.1
Tencent Malware.Win32.Gencirc.10ba76ec
Ad-Aware Trojan.Ransom.Spora.Gen.1
Sophos ML/PE-A + Mal/Elenoocka-E
Comodo TrojWare.Win32.Crypt.C@7vajd0
BitDefenderTheta Gen:NN.ZexaF.34628.pqX@aiiObjc
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.F117B6
FireEye Generic.mg.54d0ce030b0249a9
Emsisoft Trojan.Ransom.Spora.Gen.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.atijf
Avira TR/Crypt.XPACK.Gen8
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/Cerber.G
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.Ransom.Spora.Gen.1
AhnLab-V3 Trojan/Win32.Cerber.R194543
Acronis suspicious
McAfee Ransomware-FLRT!54D0CE030B02
MAX malware (ai score=80)
VBA32 BScope.Trojan.Encoder
Malwarebytes Ransom.FileCryptor
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_CERBER.F117B6
Rising Ransom.Cerber!8.3058 (TFE:2:7VOkXLYPpaJ)
Yandex Trojan.GenAsa!snYv7ylxagI
Ikarus Trojan.Win32.Filecoder
Fortinet W32/Kryptik.FONH!tr
AVG Win32:Trojan-gen
Qihoo-360 Win32/Trojan.1bd

How to remove Win32/Kryptik.FNMN 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.FNMN 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.FNMN 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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