Win32/Kryptik.GTKF

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

What is Win32/Kryptik.GTKF infection?

In this article you will certainly find concerning the definition of Win32/Kryptik.GTKF as well as its unfavorable influence on your computer system. Such ransomware are a kind of malware that is clarified by online scams to require paying the ransom money by a sufferer.

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In the majority of the situations, Win32/Kryptik.GTKF infection will instruct its victims to start funds move for the objective of reducing the effects of the modifications that the Trojan infection has presented to the sufferer’s tool.

Win32/Kryptik.GTKF Summary

These adjustments can be as follows:

  • Executable code extraction;
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Steals private information from local Internet browsers;
  • Collects information about installed applications;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Harvests information related to installed mail clients;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Ciphering the documents situated on the target’s hard drive — so the sufferer can no longer make use of the data;
  • Preventing routine accessibility to the sufferer’s workstation;

Related domains:

bestbtcchange.comRansom:Win32/GandCrab.f9fac5b5
ip-api.comRansom:Win32/GandCrab.f9fac5b5

Win32/Kryptik.GTKF

One of the most typical channels whereby Win32/Kryptik.GTKF Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of customer ending up on a source that hosts a destructive software application;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the target’s computer or protect against the gadget from operating in an appropriate manner – while additionally putting a ransom note that states the need for the sufferers to impact the repayment for the function of decrypting the files or restoring the data system back to the first problem. In most instances, the ransom note will turn up when the client reboots the COMPUTER after the system has currently been damaged.

Win32/Kryptik.GTKF distribution channels.

In various corners of the world, Win32/Kryptik.GTKF grows by jumps and also bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom money amount may vary depending upon specific neighborhood (local) settings. The ransom money notes as well as techniques of obtaining the ransom quantity might vary depending on specific regional (regional) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having found some unlicensed applications allowed on the victim’s gadget. The sharp after that demands the user to pay the ransom.

    Faulty declarations regarding unlawful material.

    In countries where software program piracy is much less preferred, this approach is not as effective for the cyber frauds. Conversely, the Win32/Kryptik.GTKF popup alert might wrongly declare to be originating from a law enforcement institution and also will report having situated kid pornography or other prohibited information on the gadget.

    Win32/Kryptik.GTKF popup alert may wrongly claim to be obtaining from a regulation enforcement establishment and will certainly report having located kid pornography or other unlawful data on the gadget. The alert will likewise include a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: FD758DF0
md5: c4d54ae0e5f00661523f777c77a234e0
name: C4D54AE0E5F00661523F777C77A234E0.mlw
sha1: af2a2f30b69295d6916c9db190c2916f3f357edc
sha256: 8c18ee53f738c160e6d943af79a2810b8bcd8160c7e975351602df691f017aa3
sha512: fc3d011baed1b6b59b7d6cd20ac84def406ac7a4a2440a292acf631479f8a0eee1c5778808f16cddeb6612d44dad512d49505551648c6e19e0bf505404e626dc
ssdeep: 12288:G7QY/stL2JSKADw4ZorfmYqjjkrkrPbZVUaViIXlEIRbK:GMMYeqDw4ZoFgjWQEP
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GTKF also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
DrWebTrojan.Siggen8.29188
CynetMalicious (score: 100)
ALYacTrojan.BRMon.Gen.4
CylanceUnsafe
ZillyaTrojan.Generic.Win32.833609
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/GandCrab.f9fac5b5
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.0e5f00
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.GTKF
APEXMalicious
AvastWin32:CrypterX-gen [Trj]
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.BRMon.Gen.4
NANO-AntivirusTrojan.Win32.Chapak.fqpjsh
SUPERAntiSpywareHack.Tool/Gen-BitCoinMiner
MicroWorld-eScanTrojan.BRMon.Gen.4
TencentWin32.Trojan.Chapak.Szuz
Ad-AwareTrojan.BRMon.Gen.4
SophosMal/Generic-S + Mal/GandCrab-G
ComodoTrojWare.Win32.Ransom.GandCrab.ASA@8bmkty
BitDefenderThetaGen:NN.ZexaF.34770.LyW@a8AOtKb
VIPRETrojan.Win32.Generic!BT
TrendMicroTrojan.Win32.SODINOK.SM.hp
McAfee-GW-EditionSodinokibi!C4D54AE0E5F0
FireEyeGeneric.mg.c4d54ae0e5f00661
EmsisoftTrojan.BRMon.Gen.4 (B)
JiangminTrojan.Chapak.dqm
AviraHEUR/AGEN.1136564
eGambitUnsafe.AI_Score_98%
Antiy-AVLTrojan/Generic.ASMalwS.2BAB757
MicrosoftRansom:Win32/GandCrab.AF!MTB
AegisLabTrojan.Win32.NeutrinoPOS.4!c
GDataTrojan.BRMon.Gen.4
AhnLab-V3Malware/Win32.Generic.R273844
Acronissuspicious
McAfeeSodinokibi!C4D54AE0E5F0
VBA32BScope.TrojanBanker.NeutrinoPOS
MalwarebytesTrojan.MalPack.GS.Generic
PandaTrj/GdSda.A
TrendMicro-HouseCallTrojan.Win32.SODINOK.SM.hp
RisingTrojan.Generic@ML.86 (RDML:3cgptN1kxUuHxHz1UexhxQ)
YandexTrojan.Chapak!hCKv3A2pUhw
IkarusTrojan.Win32.Crypt
MaxSecureTrojan.Malware.74345216.susgen
FortinetW32/GenKryptik.DJEQ!tr
AVGWin32:CrypterX-gen [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Generic.HgIASOMA

How to remove Win32/Kryptik.GTKF virus?

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.GTKF 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.GTKF 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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