Win32/Kryptik.GAGA

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

What is Win32/Kryptik.GAGA infection?

In this short article you will find concerning the meaning of Win32/Kryptik.GAGA and its adverse effect on your computer system. Such ransomware are a kind of malware that is specified by on the internet frauds to demand paying the ransom money by a victim.

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In the majority of the situations, Win32/Kryptik.GAGA ransomware will instruct its targets to launch funds transfer for the objective of reducing the effects of the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Win32/Kryptik.GAGA Summary

These alterations can be as adheres to:

  • 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.
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.

  • Attempts to delete volume shadow copies;
  • 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
  • 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.
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files situated on the sufferer’s hard disk — so the target can no longer make use of the information;
  • 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.GAGA

One of the most common networks whereby Win32/Kryptik.GAGA Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As a consequence of customer ending up on a source that holds a malicious software program;

As quickly as the Trojan is successfully injected, it will either cipher the information on the victim’s computer or prevent the gadget from operating in a proper fashion – while also putting a ransom note that mentions the demand for the targets to impact the payment for the purpose of decrypting the documents or restoring the file system back to the initial condition. In many circumstances, the ransom money note will come up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Win32/Kryptik.GAGA circulation channels.

In different edges of the globe, Win32/Kryptik.GAGA grows by jumps as well as bounds. Nonetheless, the ransom notes and also techniques of extorting the ransom amount may vary relying on certain regional (regional) settings. The ransom money notes as well as methods of obtaining the ransom money quantity might vary depending on particular regional (local) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In certain locations, the Trojans commonly wrongfully report having discovered some unlicensed applications enabled on the victim’s device. The alert then demands the individual to pay the ransom.

    Faulty statements about illegal content.

    In countries where software program piracy is much less popular, this technique is not as efficient for the cyber frauds. Conversely, the Win32/Kryptik.GAGA popup alert may wrongly assert to be originating from a law enforcement establishment and will report having situated kid pornography or other unlawful data on the device.

    Win32/Kryptik.GAGA popup alert might incorrectly claim to be deriving from a regulation enforcement institution and will report having located youngster pornography or various other illegal information on the gadget. The alert will in a similar way consist of a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 0D746E11
md5: 329ff3ec04948dc3da260d5e0e772569
name: 329FF3EC04948DC3DA260D5E0E772569.mlw
sha1: e0dd1c51e1df0d9a07a61c7298fed9f0b1f94ac5
sha256: aa597968543630aac0f90452ad87b33017f1b17490d26f2e72a020c5bf56192b
sha512: e8cf12de41ba26a1fbd5625df3b1b03737271416ee94f90855331403bd1dc4f1a39315c859a579bb07b24087e778395d6d42846431bab580be764a80a2e27ab7
ssdeep: 3072:4Z/zuA9MuMS2PeHhwPgtNXzmPMQ4ZsZiGs7WtCpOy4VcmRc8fSQxd6GH:41hP6PkXq1iGsagD0/+8fRd1H
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GAGA also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 005255a71 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.3953
CynetMalicious (score: 99)
CAT-QuickHealTrojanRansom.Crusis
ALYacGen:Variant.Symmi.81351
CylanceUnsafe
ZillyaTrojan.Crusis.Win32.1170
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Crysis.ali1020005
K7GWTrojan ( 005255a71 )
Cybereasonmalicious.c04948
SymantecRansom.Crysis
ESET-NOD32a variant of Win32/Kryptik.GAGA
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Crusis.bxa
BitDefenderGen:Variant.Symmi.81351
NANO-AntivirusTrojan.Win32.Crusis.exmnzs
MicroWorld-eScanGen:Variant.Symmi.81351
TencentWin32.Trojan.Crusis.Ljat
Ad-AwareGen:Variant.Symmi.81351
SophosMal/Generic-S
ComodoMalware@#1poifh710c8ml
BitDefenderThetaGen:NN.ZexaF.34738.uqW@aC0sY6di
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_Crusis.R002C0OFF21
McAfee-GW-EditionTrojan-FOTX!329FF3EC0494
FireEyeGeneric.mg.329ff3ec04948dc3
EmsisoftGen:Variant.Symmi.81351 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Crusis.wv
AviraHEUR/AGEN.1130310
eGambitUnsafe.AI_Score_99%
Antiy-AVLTrojan/Generic.ASMalwS.2444441
MicrosoftRansom:Win32/Genasom
AegisLabTrojan.Win32.Crusis.4!c
GDataGen:Variant.Symmi.81351
AhnLab-V3Win-Trojan/Sagecrypt.Gen
Acronissuspicious
McAfeeTrojan-FOTX!329FF3EC0494
MAXmalware (ai score=97)
VBA32BScope.TrojanPSW.Azorult
PandaTrj/CI.A
TrendMicro-HouseCallRansom_Crusis.R002C0OFF21
YandexTrojan.Crusis!NNH4YtrPRUA
IkarusTrojan.Win32.Crypt
MaxSecureTrojan.Malware.300983.susgen
FortinetPossibleThreat
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Win32/Kryptik.GAGA virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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.GAGA 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.GAGA 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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