Win32/Kryptik.FSCL

What is Win32/Kryptik.FSCL infection?

In this short article you will certainly find about the interpretation of Win32/Kryptik.FSCL and its adverse impact on your computer. Such ransomware are a type of malware that is specified by on-line frauds to require paying the ransom by a victim.

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Most of the instances, Win32/Kryptik.FSCL virus will advise its victims to initiate funds transfer for the purpose of counteracting the modifications that the Trojan infection has presented to the target’s gadget.

Win32/Kryptik.FSCL Summary

These alterations 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.
  • 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;
  • 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
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the target’s hard disk drive — so the victim can no more use the data;
  • Preventing routine access to the sufferer’s workstation;

Win32/Kryptik.FSCL

One of the most regular networks through which Win32/Kryptik.FSCL Ransomware are injected are:

  • By means of phishing emails;
  • As a consequence of individual ending up on a resource that holds a malicious software program;

As soon as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s computer or protect against the tool from functioning in a proper way – while additionally putting a ransom note that points out the requirement for the targets to effect the settlement for the objective of decrypting the records or recovering the documents system back to the first condition. In the majority of circumstances, the ransom money note will certainly turn up when the client reboots the PC after the system has actually already been harmed.

Win32/Kryptik.FSCL circulation networks.

In different edges of the globe, Win32/Kryptik.FSCL expands by jumps and also bounds. However, the ransom money notes and also tricks of extorting the ransom amount might vary relying on specific local (regional) setups. The ransom notes as well as methods of extorting the ransom money amount might differ depending on specific local (regional) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software program.

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

    Faulty statements about unlawful web content.

    In countries where software program piracy is much less popular, this method is not as efficient for the cyber scams. Alternatively, the Win32/Kryptik.FSCL popup alert may incorrectly assert to be deriving from a law enforcement organization and also will certainly report having situated child porn or various other illegal data on the tool.

    Win32/Kryptik.FSCL popup alert might wrongly assert to be acquiring from a regulation enforcement institution as well as will certainly report having situated kid pornography or various other prohibited data on the device. The alert will in a similar way include a need for the user to pay the ransom money.

Technical details

File Info:

crc32: EE235B3C
md5: fee609202edd278a16f168acfef21eb5
name: FEE609202EDD278A16F168ACFEF21EB5.mlw
sha1: be2939f536adc66efef030ac5a8124e294d459f2
sha256: b5cb1a2c3e0864b1a0e07a8d1d039e63f4a1475773440449bd166b3aba417471
sha512: 2eac9262f9deaec7229508faabf461f7b755464b187946c51fa1a88e56bd3bedb99b38873b0f9ad3c3978ab1c5184135c5342ab67456414c8eda80d2575c6e46
ssdeep: 6144:C8H67K8JI1HKI8NSrwtCULN7qgRn1kc9U:QD61qI8uwtbty
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FSCL also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005137001 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Papras.2823
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Exxroute.A4
ALYac Trojan.Ransom.Spora.Gen.1
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Foreign.b0019456
K7GW Trojan ( 005137001 )
Cybereason malicious.02edd2
Cyren W32/Nymaim.BZ.gen!Eldorado
Symantec Packed.Generic.493
ESET-NOD32 a variant of Win32/Kryptik.FSCL
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Foreign.ohxo
BitDefender Trojan.Ransom.Spora.Gen.1
NANO-Antivirus Trojan.Win32.Androm.eohvtx
MicroWorld-eScan Trojan.Ransom.Spora.Gen.1
Tencent Win32.Trojan.Generic.Eive
Ad-Aware Trojan.Ransom.Spora.Gen.1
Sophos Mal/Generic-S + Mal/Elenoocka-E
Comodo TrojWare.Win32.TrojanDropper.Evotob.A@70f09z
BitDefenderTheta Gen:NN.ZexaF.34628.qqW@aSrF!Kh
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.SM38
McAfee-GW-Edition BehavesLike.Win32.Ransomware.dc
FireEye Trojan.Ransom.Spora.Gen.1
Emsisoft Trojan.Ransom.Spora.Gen.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor.Androm.pkt
Avira HEUR/AGEN.1116789
eGambit Unsafe.AI_Score_99%
Microsoft TrojanSpy:Win32/Ursnif.BM!MTB
Arcabit Trojan.Ransom.Spora.Gen.1
AegisLab Trojan.Win32.Androm.m!c
GData Trojan.Ransom.Spora.Gen.1
AhnLab-V3 Trojan/Win32.Androm.C1931233
Acronis suspicious
McAfee Ransomware-FMEU!FEE609202EDD
MAX malware (ai score=100)
VBA32 BScope.Trojan.Encoder
Malwarebytes Ransom.Cerber
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_CERBER.SM38
Rising Trojan.Kryptik!1.ABE3 (CLASSIC)
Yandex Trojan.GenAsa!SThZemHRM8g
Ikarus Trojan.Crypt
Fortinet W32/Kryptik.FSHI!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Foreign.HxQBueUA

How to remove Win32/Kryptik.FSCL virus?

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.FSCL 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.FSCL 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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