Win32/Kryptik.FSPK

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Kryptik.FSPK infection?

In this post you will locate about the interpretation of Win32/Kryptik.FSPK as well as its negative effect on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet scams to demand paying the ransom money by a target.

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Most of the situations, Win32/Kryptik.FSPK infection will certainly advise its sufferers to launch funds move for the function of counteracting the modifications that the Trojan infection has actually presented to the target’s device.

Win32/Kryptik.FSPK 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.
  • 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 situated on the target’s hard disk drive — so the victim can no longer use the data;
  • Preventing normal access 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.FSPK

One of the most typical networks whereby Win32/Kryptik.FSPK Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As a consequence of user ending up on a source that organizes a destructive software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the victim’s PC or stop the device from functioning in an appropriate fashion – while additionally placing a ransom note that points out the requirement for the targets to effect the payment for the purpose of decrypting the files or restoring the documents system back to the first condition. In most circumstances, the ransom money note will certainly show up when the client restarts the COMPUTER after the system has currently been damaged.

Win32/Kryptik.FSPK distribution channels.

In various edges of the globe, Win32/Kryptik.FSPK grows by leaps as well as bounds. However, the ransom money notes and also techniques of obtaining the ransom money quantity may vary relying on certain local (regional) setups. The ransom notes and also tricks of extorting the ransom quantity might vary depending on particular local (local) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software application.

    In specific locations, the Trojans often wrongfully report having actually spotted some unlicensed applications enabled on the target’s device. The sharp after that requires the customer to pay the ransom money.

    Faulty declarations concerning prohibited material.

    In countries where software application piracy is much less prominent, this method is not as reliable for the cyber frauds. Additionally, the Win32/Kryptik.FSPK popup alert might wrongly declare to be stemming from a law enforcement organization and will report having located child porn or various other unlawful data on the gadget.

    Win32/Kryptik.FSPK popup alert may incorrectly assert to be obtaining from a legislation enforcement establishment as well as will certainly report having located kid pornography or various other illegal data on the gadget. The alert will likewise have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 7437CBAD
md5: b0b417589ee6c2d745122933700a5cef
name: B0B417589EE6C2D745122933700A5CEF.mlw
sha1: 29e5b668cdacaa28b900e40bb69eeed89539d352
sha256: 393d0ad328c2f555f07fd35f2a1427253c2a46382a4edab0eb5be9ab1bce31bc
sha512: 12797ccf2e30d285c94a229bc763369a6d1e33f9381a4831e74b0e22b662e4d91914faa77d7bf26a7834d816e4a1d7ed41758b843531ac2dcaddf03c161c6b18
ssdeep: 6144:Q9nN8gYv1W8ayNOx9y0A+tJs9ig4KhsssbsLOPs:Q9nN8D7zAttVlbzs
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FSPK also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0050e8071 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
CAT-QuickHealRansom.Exxroute.A4
ALYacTrojan.Ransom.Spora.Gen.1
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojanSpy:Win32/Ursnif.aeda4a97
K7GWTrojan ( 0050e8071 )
Cybereasonmalicious.89ee6c
CyrenW32/Ransom.EW.gen!Eldorado
SymantecTrojan Horse
ESET-NOD32a variant of Win32/Kryptik.FSPK
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Ransom.Spora.Gen.1
NANO-AntivirusTrojan.Win32.Kryptik.epibdu
MicroWorld-eScanTrojan.Ransom.Spora.Gen.1
TencentWin32.Trojan.Foreign.Pepg
Ad-AwareTrojan.Ransom.Spora.Gen.1
SophosML/PE-A + Mal/Elenoocka-E
ComodoTrojWare.Win32.Crypt.C@7vajd0
BitDefenderThetaGen:NN.ZexaF.34608.oqW@auzA4loi
VIPREVirTool.Win32.Obfuscator.da!j (v)
TrendMicroRansom_CERBER.SM37
McAfee-GW-EditionBehavesLike.Win32.Ransomware.dc
FireEyeGeneric.mg.b0b417589ee6c2d7
EmsisoftTrojan.Ransom.Spora.Gen.1 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1116787
eGambitUnsafe.AI_Score_92%
MicrosoftTrojanSpy:Win32/Ursnif.BM!MTB
ArcabitTrojan.Ransom.Spora.Gen.1
AegisLabTrojan.Win32.Generic.4!c
GDataTrojan.Ransom.Spora.Gen.1
AhnLab-V3Trojan/Win32.Cerber.C1970349
Acronissuspicious
McAfeeRansomware-FMEU!B0B417589EE6
MAXmalware (ai score=100)
VBA32Trojan.FakeAV.01657
MalwarebytesRansom.Cerber
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_CERBER.SM37
RisingRansom.Firecerb!8.E6D7 (TFE:2:0RXUYvMqn2L)
YandexTrojan.GenAsa!v40ksJhwZ5I
IkarusTrojan.Win32.Filecoder
FortinetW32/Kryptik.FSNS!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Spora.HxQBG08A

How to remove Win32/Kryptik.FSPK ransomware?

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.FSPK 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.FSPK 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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