Win32/Kryptik.GIOK

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

What is Win32/Kryptik.GIOK infection?

In this post you will certainly find regarding the meaning of Win32/Kryptik.GIOK and its adverse impact on your computer. Such ransomware are a type of malware that is clarified by on the internet scams to demand paying the ransom by a sufferer.

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Most of the cases, Win32/Kryptik.GIOK virus will instruct its victims to initiate funds move for the objective of reducing the effects of the amendments that the Trojan infection has actually presented to the target’s gadget.

Win32/Kryptik.GIOK Summary

These adjustments can be as follows:

  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Unconventionial language used in binary resources: Danish;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Ciphering the documents found on the target’s hard disk drive — so the victim can no more make use of the information;
  • Preventing routine 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.GIOK

The most typical channels whereby Win32/Kryptik.GIOK Trojans are injected are:

  • By methods of phishing emails;
  • As a repercussion of customer ending up on a source that holds a harmful software application;

As soon as the Trojan is successfully injected, it will either cipher the data on the sufferer’s PC or protect against the tool from functioning in an appropriate fashion – while likewise positioning a ransom money note that points out the need for the sufferers to impact the repayment for the function of decrypting the documents or restoring the data system back to the initial condition. In most circumstances, the ransom money note will certainly come up when the client reboots the PC after the system has actually currently been harmed.

Win32/Kryptik.GIOK circulation channels.

In various edges of the world, Win32/Kryptik.GIOK grows by leaps and bounds. However, the ransom money notes and also tricks of obtaining the ransom amount may vary depending on specific neighborhood (regional) settings. The ransom notes as well as tricks of extorting the ransom quantity might vary depending on particular neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software.

    In certain areas, the Trojans usually wrongfully report having detected some unlicensed applications made it possible for on the victim’s device. The alert then demands the customer to pay the ransom money.

    Faulty declarations regarding illegal content.

    In countries where software program piracy is less prominent, this approach is not as effective for the cyber fraudulences. Additionally, the Win32/Kryptik.GIOK popup alert may wrongly claim to be originating from a law enforcement institution and also will report having situated youngster porn or other prohibited information on the device.

    Win32/Kryptik.GIOK popup alert might incorrectly assert to be acquiring from a legislation enforcement institution and also will report having located kid pornography or other illegal information on the device. The alert will similarly contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: D7023735
md5: d79de780091da90bf4f887ced81520e5
name: D79DE780091DA90BF4F887CED81520E5.mlw
sha1: a9fe3faf4c2e81b6099aedababa92a3c72c70257
sha256: 7badc55cd8ff9750cdb653dcc8291f95abb8211f068f2e7638c292c42b746aae
sha512: 000c7016378952c4e1c4360390460f20e10e3defc67b21691036da0b517d1971c88e72c69857b60c10590c3d5cd76e26a1910ca3634fe48d8ecc03b25e7035fa
ssdeep: 3072:Va2w6CZRAEWVGHPwilOQ2uwBNISkpNsheChIJzmU709Xzdg:VEZRlKcPw2YezN6V61709x
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProductVersion: 2.13.5.66

Win32/Kryptik.GIOK also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00516fdf1 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Stealer.23950
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ5
ALYacTrojan.Mint.Jamg.C
CylanceUnsafe
ZillyaTrojan.Generic.Win32.55146
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaTrojan:Win32/Kryptik.6515a747
K7GWTrojan ( 00516fdf1 )
Cybereasonmalicious.0091da
CyrenW32/GandCrab.AN.gen!Eldorado
ESET-NOD32a variant of Win32/Kryptik.GIOK
APEXMalicious
AvastWin32:MalwareX-gen [Trj]
ClamAVWin.Packed.addsub-6963063-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Mint.Jamg.C
NANO-AntivirusTrojan.Win32.Stealer.feyvxi
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicroWorld-eScanTrojan.Mint.Jamg.C
TencentWin32.Trojan.Generic.Wskb
Ad-AwareTrojan.Mint.Jamg.C
SophosMal/Generic-S + Mal/GandCrab-B
ComodoTrojWare.Win32.Ransom.Gandcrab.GK@81g6wg
BitDefenderThetaGen:NN.ZexaF.34608.nu0@aeePn@dG
TrendMicroTSPY_EMOTET.SMB1
McAfee-GW-EditionBehavesLike.Win32.Trojan.dc
FireEyeGeneric.mg.d79de780091da90b
EmsisoftTrojan.Mint.Jamg.C (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1121566
eGambitUnsafe.AI_Score_99%
MicrosoftTrojan:Win32/Azorult!ml
ArcabitTrojan.Mint.Jamg.C
AegisLabTrojan.Win32.Generic.4!c
GDataWin32.Trojan-Ransom.GandCrab.N
AhnLab-V3Win-Trojan/Gandcrab04.Exp
Acronissuspicious
McAfeeTrojan-FPST!D79DE780091D
MAXmalware (ai score=95)
VBA32BScope.TrojanPSW.Coins
MalwarebytesMachineLearning/Anomalous.100%
PandaTrj/Genetic.gen
TrendMicro-HouseCallTSPY_EMOTET.SMB1
RisingTrojan.Kryptik!1.B3A9 (CLOUD)
YandexTrojan.GenAsa!zEuNmkgCzio
IkarusTrojan-Dropper.Win32.Danabot
MaxSecureRansomeware.CRAB.gen
FortinetW32/Kryptik.GIRO!tr
AVGWin32:MalwareX-gen [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.PSW.930

How to remove Win32/Kryptik.GIOK 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.GIOK 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.GIOK 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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