Win32/Kryptik.GDFW

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

What is Win32/Kryptik.GDFW infection?

In this short article you will locate regarding the definition of Win32/Kryptik.GDFW as well as its unfavorable impact on your computer. Such ransomware are a kind of malware that is clarified by online fraudulences to demand paying the ransom money by a victim.

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In the majority of the instances, Win32/Kryptik.GDFW virus will advise its targets to start funds move for the purpose of counteracting the changes that the Trojan infection has actually presented to the sufferer’s gadget.

Win32/Kryptik.GDFW Summary

These adjustments 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.
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the victim’s hard disk — so the victim can no longer use the data;
  • Preventing normal accessibility to the victim’s workstation;

Win32/Kryptik.GDFW

The most regular channels whereby Win32/Kryptik.GDFW Ransomware Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a resource that holds a malicious software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the target’s PC or prevent the tool from operating in an appropriate fashion – while also positioning a ransom note that discusses the need for the victims to effect the repayment for the purpose of decrypting the files or recovering the documents system back to the initial condition. In the majority of circumstances, the ransom note will come up when the client restarts the PC after the system has actually currently been harmed.

Win32/Kryptik.GDFW distribution networks.

In numerous corners of the world, Win32/Kryptik.GDFW expands by leaps as well as bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom quantity may differ relying on particular local (regional) settings. The ransom notes as well as methods of obtaining the ransom money amount might vary depending on particular regional (local) setups.

Ransomware injection

For example:

    Faulty notifies about unlicensed software.

    In particular locations, the Trojans usually wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s tool. The sharp after that demands the user to pay the ransom money.

    Faulty statements concerning unlawful web content.

    In countries where software application piracy is much less popular, this technique is not as efficient for the cyber frauds. Alternatively, the Win32/Kryptik.GDFW popup alert might incorrectly declare to be deriving from a police institution and will report having located child porn or various other illegal information on the gadget.

    Win32/Kryptik.GDFW popup alert might falsely claim to be deriving from a law enforcement organization and also will report having located youngster pornography or other prohibited data on the gadget. The alert will in a similar way consist of a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 0FCF106A
md5: 3f4efc8f6de05ef7e63c8c720ce15a79
name: 3F4EFC8F6DE05EF7E63C8C720CE15A79.mlw
sha1: 52889b57159299894fd32d1e561b22c790bb5a1f
sha256: 8f77a0f7bbd87f92ef09bb4b30c250704c623010650e686de2e1c2e90746b5c2
sha512: c4537c5ace825458438f984ffd177467060cf6a7946e18191d16de5fcd3184004b8224c8bf29b72517342d430bc012cacde7ee2a2e7dcccb916eb4d7c1bb78db
ssdeep: 6144:tri62aFQSDPaewBWopjqYAUyNvqx3NtoRoVUPvpBaPbyYC:A6dJDPFwUopvWNvqNNtoRq2/a0
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright 2017, dfodgodbf
FileVersion: 5, 2, 1, 0
ProductVersion: 5, 2, 1, 0
Translation: 0x0409 0x04b0

Win32/Kryptik.GDFW also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0053305e1 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.24384
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ5
ALYacTrojan.Ransom.GandCrab
CylanceUnsafe
ZillyaTrojan.Agentb.Win32.18926
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (D)
AlibabaTrojan:Win32/Cridex.1b506d65
K7GWTrojan ( 0053305e1 )
Cybereasonmalicious.f6de05
CyrenW32/S-1b159d92!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GDFW
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Packer.Crypter-6539596-1
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.BRMon.Gen.1
NANO-AntivirusTrojan.Win32.Encoder.eybymx
SUPERAntiSpywareRansom.GandCrab/Variant
MicroWorld-eScanTrojan.BRMon.Gen.1
TencentMalware.Win32.Gencirc.10c88caa
Ad-AwareTrojan.BRMon.Gen.1
SophosMal/Generic-S + Mal/Ransom-FR
ComodoTrojWare.Win32.Awkolo.B@7ke8pa
BitDefenderThetaGen:NN.ZexaF.34678.tu0@aWw2dtl
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_HPGANDCRAB.SMMR
McAfee-GW-EditionBehavesLike.Win32.Generic.fc
FireEyeGeneric.mg.3f4efc8f6de05ef7
EmsisoftTrojan.BRMon.Gen.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Foreign.efc
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1102756
MicrosoftTrojan:Win32/Cridex.KPS!MTB
AegisLabTrojan.Win32.GandCrypt.tpiC
GDataTrojan.BRMon.Gen.1
AhnLab-V3Trojan/Win32.Magniber.R220625
Acronissuspicious
McAfeePacked-FAL!3F4EFC8F6DE0
MAXmalware (ai score=100)
VBA32Trojan.Agentb
MalwarebytesTrojan.MalPack
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_HPGANDCRAB.SMMR
RisingTrojan.Kryptik!8.8 (CLOUD)
YandexTrojan.GenAsa!TmH0wP2/pMg
IkarusTrojan-Ransom.FileCrypter
MaxSecureRansomeware.CRAB.gen
FortinetW32/Kryptik.GDFW!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Dridex.HwoCEpsA

How to remove Win32/Kryptik.GDFW 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.GDFW 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.GDFW 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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