Win32/Kryptik.FOUQ

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

What is Win32/Kryptik.FOUQ infection?

In this post you will discover concerning the meaning of Win32/Kryptik.FOUQ and its negative effect on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet fraudulences to demand paying the ransom money by a target.

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Most of the instances, Win32/Kryptik.FOUQ infection will certainly advise its sufferers to start funds move for the purpose of neutralizing the modifications that the Trojan infection has introduced to the target’s gadget.

Win32/Kryptik.FOUQ 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;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the victim’s hard drive — so the target can no longer utilize the information;
  • Preventing routine access to the sufferer’s workstation;

Win32/Kryptik.FOUQ

The most regular networks whereby Win32/Kryptik.FOUQ Trojans are injected are:

  • By ways of phishing emails;
  • As an effect of customer winding up on a resource that organizes a destructive software application;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the sufferer’s computer or prevent the tool from working in a correct fashion – while additionally placing a ransom note that discusses the requirement for the victims to effect the settlement for the objective of decrypting the records or recovering the documents system back to the preliminary condition. In most instances, the ransom note will show up when the client reboots the COMPUTER after the system has actually currently been harmed.

Win32/Kryptik.FOUQ distribution networks.

In different corners of the world, Win32/Kryptik.FOUQ grows by jumps as well as bounds. However, the ransom money notes and tricks of obtaining the ransom money amount may differ relying on particular neighborhood (regional) settings. The ransom money notes and tricks of obtaining the ransom money quantity may differ depending on particular regional (regional) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software program.

    In particular areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s tool. The alert after that requires the individual to pay the ransom money.

    Faulty declarations concerning illegal material.

    In nations where software piracy is much less popular, this approach is not as reliable for the cyber fraudulences. Alternatively, the Win32/Kryptik.FOUQ popup alert might falsely declare to be stemming from a law enforcement organization and also will certainly report having situated youngster porn or various other illegal data on the gadget.

    Win32/Kryptik.FOUQ popup alert might wrongly declare to be obtaining from a regulation enforcement institution and also will report having situated kid porn or other prohibited data on the device. The alert will similarly contain a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 8CD946DE
md5: b802de501bfa84832a6fbbb6e7ba269d
name: B802DE501BFA84832A6FBBB6E7BA269D.mlw
sha1: e32fcf90dd0e99c0866e155f50ccc3873380e40c
sha256: 67ba177b01a1021de2b6ff22e63fe1a238db1879918432ef0cdc0f09c032109a
sha512: b18b4286ae55d014d3b50fb619f1200e66fce82ea6d13a1a2657e74e5aaf588c0570e15bf7b96a87ce0207254caa9e35cb785afe6e7cc48da8c6af9601e8c486
ssdeep: 768:cpaKXz5XqEIV3eTMgaDJG8XCPncpjUxnSQJDykzVz:OamqEW3gMgakcpjMS
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FOUQ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10103
MicroWorld-eScan Gen:Variant.Crypt.38
FireEye Generic.mg.b802de501bfa8483
CAT-QuickHeal TrojanDwnldr.Cabby.SP7
ALYac Gen:Variant.Crypt.38
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00515aa21 )
BitDefender Gen:Variant.Crypt.38
K7GW Trojan ( 00506d5c1 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZexaF.34590.eqW@aeeqmGoc
Cyren W32/S-26bbd9ea!Eldorado
Symantec Packed.Generic.493
TrendMicro-HouseCall Ransom_SPORA.SM
Avast Win32:Filecoder-BD [Trj]
ClamAV Win.Ransomware.Spora-6172235-0
Kaspersky HEUR:Trojan-Ransom.Win32.Spora.pef
Alibaba Ransom:Win32/Spora.ea73f30f
NANO-Antivirus Trojan.Win32.Kryptik.elyrmu
Rising Ransom.Spora!8.E3EE (CLOUD)
Ad-Aware Gen:Variant.Crypt.38
Emsisoft Trojan-Ransom.Spora (A)
Comodo TrojWare.Win32.Ransom.Spora.FOR@7l1o2i
F-Secure Heuristic.HEUR/AGEN.1105007
Zillya Trojan.Kryptik.Win32.1305303
TrendMicro Ransom_SPORA.SM
McAfee-GW-Edition BehavesLike.Win32.Generic.kh
Sophos ML/PE-A + Mal/Elenoocka-E
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.atqsc
Avira HEUR/AGEN.1105007
Antiy-AVL Trojan/Win32.AGeneric
Microsoft Ransom:Win32/Spora
Arcabit Trojan.Crypt.38
ZoneAlarm HEUR:Trojan-Ransom.Win32.Spora.pef
GData Gen:Variant.Crypt.38
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Spora.C1805646
Acronis suspicious
McAfee Ransom-Spora!B802DE501BFA
MAX malware (ai score=99)
VBA32 BScope.Trojan.Encoder
Malwarebytes Ransom.Spora
Panda Trj/Genetic.gen
APEX Malicious
ESET-NOD32 a variant of Win32/Kryptik.FOUQ
Tencent Win32.Trojan.Generic.Pdlq
Yandex Trojan.GenAsa!NrdTmHW36NQ
Ikarus Trojan-Ransom.Spora
eGambit Unsafe.AI_Score_98%
Fortinet W32/Kryptik.GKKB!tr
AVG Win32:Filecoder-BD [Trj]
Cybereason malicious.01bfa8
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Filecoder.HxQBIMsA

How to remove Win32/Kryptik.FOUQ 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.FOUQ 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.FOUQ 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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