Win32/Kryptik.FOIY

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

What is Win32/Kryptik.FOIY infection?

In this article you will locate regarding the interpretation of Win32/Kryptik.FOIY as well as its unfavorable impact on your computer system. Such ransomware are a form of malware that is elaborated by online scams to require paying the ransom by a sufferer.

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In the majority of the instances, Win32/Kryptik.FOIY virus will instruct its victims to launch funds transfer for the function of reducing the effects of the modifications that the Trojan infection has actually introduced to the victim’s tool.

Win32/Kryptik.FOIY Summary

These alterations can be as adheres to:

  • 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.
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • Steals private information from local Internet browsers;
  • 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
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the target’s hard disk drive — so the target can no more make use of the data;
  • Preventing normal 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.FOIY

The most typical networks where Win32/Kryptik.FOIY Trojans are infused are:

  • By methods of phishing emails;
  • As a consequence of user winding up on a resource that hosts a harmful software;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s PC or stop the gadget from functioning in a proper way – while likewise positioning a ransom money note that mentions the demand for the sufferers to effect the repayment for the objective of decrypting the documents or bring back the documents system back to the preliminary problem. In many instances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has actually already been harmed.

Win32/Kryptik.FOIY distribution networks.

In different corners of the world, Win32/Kryptik.FOIY expands by jumps as well as bounds. Nevertheless, the ransom notes as well as methods of obtaining the ransom quantity may vary depending upon certain local (local) settings. The ransom notes and techniques of obtaining the ransom money amount might differ depending on specific local (local) setups.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software program.

    In particular areas, the Trojans commonly wrongfully report having detected some unlicensed applications allowed on the sufferer’s gadget. The alert after that requires the user to pay the ransom.

    Faulty declarations concerning prohibited web content.

    In nations where software application piracy is less preferred, this approach is not as reliable for the cyber frauds. Conversely, the Win32/Kryptik.FOIY popup alert might wrongly declare to be stemming from a law enforcement organization and will certainly report having situated kid pornography or other illegal information on the device.

    Win32/Kryptik.FOIY popup alert may falsely assert to be acquiring from a legislation enforcement organization and also will report having situated kid porn or other prohibited data on the tool. The alert will in a similar way have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: ED70D877
md5: b05556c93ba73f5bb98374472b89ded2
name: B05556C93BA73F5BB98374472B89DED2.mlw
sha1: 1588b98313cd0f7f98e190a55b3351ae2d919dba
sha256: 006093eacf0fc20d659d79067d4517f90262ede87bfb6e3e2854ae0e447c4a0a
sha512: fb0e6e8cebc26fbf455f3afe0b93e24278fa03bf93b1441cef0e77633aa42d6ea6b59d548557026f68b03616b712b57daaef7d6b98e8acd419269cd7fc5ed27c
ssdeep: 768:UHy106ygSZaz106nhZ106ygSZaXAAK3ON6chmOFoI:eRikaWwuikaXuajE
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FOIY also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005190011 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Siggen1.64047
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Exxroute.A3
ALYac Trojan.Dalexis.Gen.1
Zillya Trojan.Spora.Win32.168
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 005052831 )
Cybereason malicious.93ba73
Baidu Win32.Trojan.Kryptik.bjl
Cyren W32/S-083d96b5!Eldorado
Symantec Packed.Generic.493
ESET-NOD32 a variant of Win32/Kryptik.FOIY
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.Generic-6268147-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Dalexis.Gen.1
NANO-Antivirus Trojan.Win32.Spora.elrpkg
SUPERAntiSpyware Ransom.Cerber/Variant
MicroWorld-eScan Trojan.Dalexis.Gen.1
Tencent Malware.Win32.Gencirc.10b58921
Ad-Aware Trojan.Dalexis.Gen.1
Sophos ML/PE-A + Mal/Elenoocka-E
Comodo TrojWare.Win32.Crypt.CA@6ykcle
BitDefenderTheta Gen:NN.ZexaF.34628.fqW@aSSRHoji
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPCERBER.SMONT4
McAfee-GW-Edition BehavesLike.Win32.Generic.mm
FireEye Generic.mg.b05556c93ba73f5b
Emsisoft Trojan.Dalexis.Gen.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Spora.bj
Avira HEUR/AGEN.1105007
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/Spora.A
GData Trojan.Dalexis.Gen.1
AhnLab-V3 Trojan/Win32.Cerber.R195524
Acronis suspicious
McAfee Ransomware-FMJ!B05556C93BA7
MAX malware (ai score=83)
VBA32 BScope.TrojanPSW.Papras
Malwarebytes Ransom.Cerber
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_HPCERBER.SMONT4
Rising Malware.Generic.2!tfe (C64:YzY0Orx+bphYqCDq)
Yandex Trojan.GenAsa!MmD0p+h3C+k
Ikarus Trojan.Ransom.Spora
Fortinet W32/Kryptik.FOZG!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Spora.HxQBEpsA

How to remove Win32/Kryptik.FOIY 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.FOIY 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.FOIY 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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