Win32/Kryptik.GIUU

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

What is Win32/Kryptik.GIUU infection?

In this short article you will discover concerning the meaning of Win32/Kryptik.GIUU and also its adverse influence on your computer system. Such ransomware are a form of malware that is specified by on the internet fraudulences to demand paying the ransom money by a sufferer.

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In the majority of the cases, Win32/Kryptik.GIUU infection will certainly advise its targets to initiate funds transfer for the purpose of neutralizing the changes that the Trojan infection has introduced to the sufferer’s tool.

Win32/Kryptik.GIUU Summary

These modifications 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.
  • Unconventionial language used in binary resources: Estonian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the target’s hard disk — so the victim can no more utilize the data;
  • Preventing normal accessibility to the sufferer’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.GIUU

The most typical networks through which Win32/Kryptik.GIUU are injected are:

  • By means of phishing e-mails;
  • As an effect of user winding up on a source that hosts a malicious software;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s PC or protect against the tool from working in an appropriate fashion – while additionally positioning a ransom note that mentions the need for the sufferers to impact the settlement for the function of decrypting the papers or bring back the data 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 already been damaged.

Win32/Kryptik.GIUU distribution channels.

In various edges of the globe, Win32/Kryptik.GIUU expands by jumps and also bounds. Nevertheless, the ransom notes and also methods of extorting the ransom amount may differ depending on certain neighborhood (local) settings. The ransom notes and tricks of obtaining the ransom amount might vary depending on specific neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software program.

    In certain locations, the Trojans commonly wrongfully report having actually identified some unlicensed applications enabled on the victim’s gadget. The sharp after that requires the individual to pay the ransom.

    Faulty declarations regarding illegal material.

    In nations where software piracy is less popular, this technique is not as efficient for the cyber frauds. Additionally, the Win32/Kryptik.GIUU popup alert may wrongly assert to be originating from a police establishment and also will report having situated kid pornography or various other prohibited data on the device.

    Win32/Kryptik.GIUU popup alert may incorrectly claim to be obtaining from a regulation enforcement organization and will certainly report having located youngster pornography or other unlawful information on the gadget. The alert will in a similar way include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 7DB4C198
md5: cf5a1e576d0e91abecd78ff7f85de736
name: CF5A1E576D0E91ABECD78FF7F85DE736.mlw
sha1: 303e6dcca9a417241396c638607f11721c687607
sha256: 7a8951dfbd57752f6204519f4a3f4e6eeff87a1f9ca4cddaf61ca12d95ca5150
sha512: f9f06832aff346d87e9abc0e9d7b5a16f5df3e48f7c8e8e553efb2c9819fc6116834b5416d69bbb6827c0c1f91c5f02acb773852f620621503beee47b6b9b7e5
ssdeep: 3072:JgdQXbxpittDs5WW1vpoFpHL/cRD8NW2FRD7tHzcjGMX:+gpAttWPaU8NWI9V
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProductVersion: 3.7.9
Translation: 0x0809 0x04b0

Win32/Kryptik.GIUU also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00516fdf1 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Panda.13495
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ6
ALYacTrojan.GenericKDZ.45508
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaTrojan:Win32/Kryptik.f366ea98
K7GWTrojan ( 00516fdf1 )
Cybereasonmalicious.76d0e9
CyrenW32/Kryptik.GN.gen!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GIUU
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.GenericKDZ.45508
NANO-AntivirusRiskware.Win32.Panda.ffjwug
ViRobotTrojan.Win32.R.Agent.199168.K
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicroWorld-eScanTrojan.GenericKDZ.45508
TencentWin32.Trojan.Generic.Tays
Ad-AwareTrojan.GenericKDZ.45508
SophosMal/Generic-S + Mal/GandCrab-G
ComodoTrojWare.Win32.Ransom.Gandcrab.AV@84gz0t
BitDefenderThetaGen:NN.ZexaF.34608.my0@aKy8TykI
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_GANDCRAB.SMALY-3
McAfee-GW-EditionBehavesLike.Win32.Emotet.ch
FireEyeGeneric.mg.cf5a1e576d0e91ab
EmsisoftTrojan.GenericKDZ.45508 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/GandCrab.glo
eGambitUnsafe.AI_Score_98%
MicrosoftTrojan:Win32/Occamy.C
AegisLabTrojan.Win32.GandCrypt.j!c
GDataTrojan.GenericKDZ.45508
AhnLab-V3Win-Trojan/Gandcrab04.Exp
Acronissuspicious
McAfeeGenericRXGD-ZS!CF5A1E576D0E
MAXmalware (ai score=99)
VBA32BScope.Trojan.Vigorf
MalwarebytesTrojan.MalPack.Generic
PandaTrj/CI.A
TrendMicro-HouseCallRansom_GANDCRAB.SMALY-3
RisingRansom.GandCrypt!8.F33E (CLOUD)
IkarusTrojan.Win32.Crypt
MaxSecureRansomeware.GandCrypt.Gen
FortinetW32/GenKryptik.CFIA!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360HEUR/QVM10.2.8BA7.Malware.Gen

How to remove Win32/Kryptik.GIUU 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.GIUU 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.GIUU 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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