Win32/Kryptik.GJIC

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

What is Win32/Kryptik.GJIC infection?

In this article you will certainly find concerning the interpretation of Win32/Kryptik.GJIC as well as its adverse effect on your computer system. Such ransomware are a form of malware that is clarified by on-line fraudulences to require paying the ransom by a victim.

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In the majority of the cases, Win32/Kryptik.GJIC ransomware will instruct its targets to initiate funds move for the objective of reducing the effects of the amendments that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Kryptik.GJIC Summary

These modifications 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Attempts to delete volume shadow copies;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the sufferer’s hard disk — so the target can no more make use of the data;
  • Preventing regular accessibility to the sufferer’s workstation;

Win32/Kryptik.GJIC

One of the most regular channels where Win32/Kryptik.GJIC Ransomware are injected are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a source that hosts a harmful software application;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s computer or prevent the tool from functioning in a correct manner – while additionally placing a ransom note that points out the demand for the targets to effect the repayment for the function of decrypting the documents or bring back the file system back to the preliminary condition. In the majority of circumstances, the ransom note will come up when the customer restarts the COMPUTER after the system has already been damaged.

Win32/Kryptik.GJIC circulation channels.

In different edges of the globe, Win32/Kryptik.GJIC expands by jumps and bounds. However, the ransom money notes and also tricks of extorting the ransom quantity might differ depending on specific neighborhood (regional) settings. The ransom money notes and also tricks of obtaining the ransom money quantity might vary depending on particular regional (regional) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software program.

    In specific areas, the Trojans typically wrongfully report having actually spotted some unlicensed applications enabled on the victim’s tool. The sharp after that demands the customer to pay the ransom.

    Faulty statements concerning illegal content.

    In nations where software piracy is much less prominent, this technique is not as efficient for the cyber scams. Additionally, the Win32/Kryptik.GJIC popup alert may wrongly assert to be stemming from a law enforcement institution and will report having located child pornography or various other unlawful data on the device.

    Win32/Kryptik.GJIC popup alert may falsely declare to be acquiring from a regulation enforcement organization and also will report having located youngster porn or other prohibited information on the tool. The alert will likewise contain a need for the user to pay the ransom money.

Technical details

File Info:

crc32: C2AF04C7
md5: 714b0821720658b1192e100e9f2f0b0f
name: 714B0821720658B1192E100E9F2F0B0F.mlw
sha1: 033796cf83a75c1af9a63b33ea5686d120f3f511
sha256: 6f12bbdc08670378dce0c28e019cc269194befe1285d67ae990887b536096204
sha512: df931f4f14e2ce17901d11a2adb2a85a5d8dc458ded0a11243d539e6ebb80472edb3dc2ac592e5e9eb5fa646a98201bb7d12dc8cb32f1bc9f34507da8b98884d
ssdeep: 6144:2ZcpLiSW5jDPrUMscRJdlgqV9zk6kfhMS4PZSHmsxnaQY7AXLg:McpiSePYQdCqfgpMS2sxna1Is
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright (c) Huimin
InternalName: MinorityProcesses
FileVersion: 5.3.43.5
CompanyName: Huimin
PrivateBuild: 5.3.43.5
Comments: Sitting Allcatins Objects
ProductName: MinorityProcesses
ProductVersion: 5.3.43.5
FileDescription: Sitting Allcatins Objects
OriginalFilename: MinorityProcesses
Translation: 0x0409 0x04b0

Win32/Kryptik.GJIC also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 005392961 )
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop17.32228
CynetMalicious (score: 100)
ALYacTrojan.Ransom.Crysis
CylanceUnsafe
ZillyaTrojan.GenericKD.Win32.133532
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Crysis.ali1020005
K7GWTrojan ( 005392961 )
Cybereasonmalicious.172065
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.GJIC
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan.Win32.DelShad.ggw
BitDefenderGen:Variant.Ransom.Scarab.43
NANO-AntivirusTrojan.Win32.Kryptik.fhmjwh
MicroWorld-eScanGen:Variant.Ransom.Scarab.43
Ad-AwareGen:Variant.Ransom.Scarab.43
SophosMal/Generic-S
BitDefenderThetaGen:NN.ZexaE.34690.vmLfayrsEsji
TrendMicroTROJ_GEN.R002C0WEK21
McAfee-GW-EditionBehavesLike.Win32.Dropper.fc
FireEyeGeneric.mg.714b0821720658b1
EmsisoftGen:Variant.Ransom.Scarab.43 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Foreign.etb
WebrootW32.Malware.Gen
eGambitUnsafe.AI_Score_98%
Antiy-AVLTrojan/Generic.ASMalwS.2723453
KingsoftWin32.Heur.KVM099.a.(kcloud)
MicrosoftTrojan:Win32/Wacatac.B!ml
ArcabitTrojan.Ransom.Scarab.43
AegisLabTrojan.Multi.Generic.4!c
GDataGen:Variant.Ransom.Scarab.43
AhnLab-V3Malware/Win32.Generic.C2642036
Acronissuspicious
McAfeeArtemis!714B08217206
MAXmalware (ai score=100)
VBA32TrojanRansom.Foreign
PandaTrj/GdSda.A
TrendMicro-HouseCallTROJ_GEN.R002C0WEK21
RisingRansom.Crysis!1.B3A4 (CLOUD)
YandexTrojan.Foreign!Ll6fQKGJYC4
IkarusTrojan-Ransom.GandCrab
FortinetW32/Kryptik.GJIC!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Win32/Kryptik.GJIC 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.GJIC 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.GJIC 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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