Win32/Kryptik.FOEU

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

What is Win32/Kryptik.FOEU infection?

In this post you will locate about the definition of Win32/Kryptik.FOEU as well as its adverse impact on your computer system. Such ransomware are a type of malware that is specified by on the internet frauds to demand paying the ransom money by a sufferer.

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In the majority of the situations, Win32/Kryptik.FOEU virus will certainly advise its victims to launch funds transfer for the objective of neutralizing the amendments that the Trojan infection has presented to the sufferer’s device.

Win32/Kryptik.FOEU 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 (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Mimics the system’s user agent string for its own requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • A system process is generating network traffic likely as a result of process injection;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s disk drive — so the victim can no longer make use of the information;
  • Preventing normal access to the target’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.FOEU

The most regular channels through which Win32/Kryptik.FOEU Ransomware are injected are:

  • By ways of phishing emails;
  • As an effect of user ending up on a source that organizes a destructive software;

As quickly as the Trojan is successfully injected, it will either cipher the data on the sufferer’s PC or prevent the device from working in a correct manner – while additionally putting a ransom note that states the requirement for the victims to effect the repayment for the purpose of decrypting the records or recovering the data system back to the first problem. In a lot of instances, the ransom money note will show up when the client reboots the PC after the system has currently been harmed.

Win32/Kryptik.FOEU circulation networks.

In different edges of the world, Win32/Kryptik.FOEU grows by jumps as well as bounds. Nevertheless, the ransom money notes and techniques of extorting the ransom amount might vary depending upon specific neighborhood (regional) setups. The ransom money notes as well as techniques of obtaining the ransom amount may differ depending on specific local (local) setups.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software program.

    In certain locations, the Trojans usually wrongfully report having actually identified some unlicensed applications allowed on the target’s device. The alert after that requires the individual to pay the ransom money.

    Faulty statements about prohibited content.

    In nations where software piracy is less popular, this method is not as efficient for the cyber fraudulences. Alternatively, the Win32/Kryptik.FOEU popup alert might wrongly declare to be deriving from a law enforcement organization and will certainly report having located kid porn or various other prohibited data on the tool.

    Win32/Kryptik.FOEU popup alert might falsely claim to be acquiring from a legislation enforcement establishment and also will certainly report having situated youngster porn or other illegal information on the device. The alert will likewise have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 5030A64C
md5: b98ee1bb7c86bc8362485816e41d6501
name: B98EE1BB7C86BC8362485816E41D6501.mlw
sha1: ac2f1d17a304665ac82909735fa86df5c30f006b
sha256: 82f21abd3a5679e29be4f2ed3d3b837762ce9d11b97f25c0bf7c044ec07fbfdf
sha512: 1f7544071d2af0a9b9909725985ef6ee360579087c835116de3510f78d091018a17e1060be15aec43fe31cc3fc67b47982097bf79750df0152bede2dcda7c5e7
ssdeep: 3072:V5sA4sA5MsAOIyIzLZMYRNHXP+HlRvaZbzCuIG8KJ+qtLQ:TO0bjRN3m/vaZ/CrKJ+9
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FOEU also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 005190011 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Sphinx.30
CynetMalicious (score: 100)
CAT-QuickHealRansom.Exxroute.A3
ALYacGen:Variant.Ransom.99
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaVirTool:Win32/Obfuscator.92597b4f
K7GWTrojan ( 0050492c1 )
Cybereasonmalicious.b7c86b
BaiduWin32.Trojan.Kryptik.bjl
CyrenW32/Ransom.DM.gen!Eldorado
SymantecPacked.Generic.493
ESET-NOD32a variant of Win32/Kryptik.FOEU
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Ransomware.Cerber-7173547-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Ransom.99
NANO-AntivirusTrojan.Win32.Sphinx.evqjmd
SUPERAntiSpywareRansom.Cerber/Variant
MicroWorld-eScanGen:Variant.Ransom.99
TencentMalware.Win32.Gencirc.10baa9ed
Ad-AwareGen:Variant.Ransom.99
SophosML/PE-A + Mal/Elenoocka-E
ComodoTrojWare.Win32.Crypt.CA@6ykcle
BitDefenderThetaGen:NN.ZexaF.34608.lqW@aS!Eksni
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_HPCERBER.SMONT4
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
FireEyeGeneric.mg.b98ee1bb7c86bc83
EmsisoftGen:Variant.Ransom.99 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Crypt.XPACK.Gen8
eGambitUnsafe.AI_Score_97%
MicrosoftVirTool:Win32/Obfuscator.ARL
ArcabitTrojan.Ransom.99
AegisLabTrojan.Win32.Generic.4!c
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Variant.Ransom.99
AhnLab-V3Trojan/Win32.Cerber.R195524
Acronissuspicious
McAfeeRansomware-FMJ!B98EE1BB7C86
MAXmalware (ai score=99)
VBA32BScope.Trojan.Encoder
MalwarebytesRansom.Cerber
TrendMicro-HouseCallRansom_HPCERBER.SMONT4
RisingTrojan.Kryptik!1.A8CF (CLOUD)
YandexTrojan.GenAsa!xgf3K3iAzuk
IkarusTrojan.Win32.Filecoder
FortinetW32/Kryptik.FOZG!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Generic.HxQBpr8A

How to remove Win32/Kryptik.FOEU 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.FOEU 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.FOEU 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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