Win32/Kryptik.GDBZ

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

What is Win32/Kryptik.GDBZ infection?

In this post you will certainly locate regarding the meaning of Win32/Kryptik.GDBZ as well as its adverse effect on your computer. Such ransomware are a type of malware that is elaborated by on-line scams to demand paying the ransom by a victim.

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In the majority of the cases, Win32/Kryptik.GDBZ ransomware will certainly instruct its victims to start funds transfer for the function of counteracting the changes that the Trojan infection has presented to the target’s tool.

Win32/Kryptik.GDBZ 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • 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
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the sufferer’s hard disk — so the target can no more use the information;
  • Preventing regular 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.GDBZ

The most typical channels whereby Win32/Kryptik.GDBZ Ransomware are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of customer ending up on a source that hosts a malicious software application;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s computer or protect against the device from functioning in a proper fashion – while likewise putting a ransom money note that points out the demand for the sufferers to impact the payment for the function of decrypting the papers or restoring the documents system back to the first condition. In the majority of instances, the ransom note will come up when the customer restarts the PC after the system has actually already been damaged.

Win32/Kryptik.GDBZ distribution networks.

In numerous edges of the globe, Win32/Kryptik.GDBZ expands by jumps and bounds. Nevertheless, the ransom notes and also techniques of obtaining the ransom money quantity might differ depending on particular neighborhood (local) settings. The ransom money notes and methods of obtaining the ransom money quantity may vary depending on specific regional (local) setups.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software application.

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

    Faulty declarations concerning illegal content.

    In countries where software program piracy is much less prominent, this technique is not as effective for the cyber frauds. Conversely, the Win32/Kryptik.GDBZ popup alert might falsely declare to be stemming from a law enforcement organization and will certainly report having located child porn or other prohibited information on the device.

    Win32/Kryptik.GDBZ popup alert might wrongly claim to be obtaining from a law enforcement establishment and also will report having located kid porn or other unlawful information on the gadget. The alert will in a similar way contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 39432CA7
md5: bea3356eeab75a3f7bad12c15dbbbe77
name: BEA3356EEAB75A3F7BAD12C15DBBBE77.mlw
sha1: 743fd5276fdc880ad274e22f815f3f62b4074140
sha256: 7b8f26e59d19ac352b0a01fa05e3cf07e79106e23862a2febebad437f2473320
sha512: 3ae5ab93ef1d4cfc7dad19414af7d71cce1fc2d5e953a6d35f8c1ae7af0cbfdaadff987f22a4da314f83214c3dcc007a2445a92ea651b1c808816b15c2ae64c9
ssdeep: 6144:Up76vMnSELQC6ZDIHxgusducT67wjefIt4T4Pi7MCA:E6EnSELQC68AIB7wnt4sPWMp
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, yuneortiurik
FileVersion: 10.1.10.11
ProductVersion: 10.1.10.11
Translation: 0x0809 0x04b0

Win32/Kryptik.GDBZ also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 003e58dd1 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.24561
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ5
McAfeeGenericRXEB-KP!BEA3356EEAB7
CylanceUnsafe
ZillyaTrojan.GandCrypt.Win32.57
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaRansom:Win32/Gandcrab.216147b6
K7GWTrojan ( 0056e9401 )
Cybereasonmalicious.eeab75
CyrenW32/S-c5d37cab!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GDBZ
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Ransomware.Cryptomix-6489177-0
KasperskyHEUR:Trojan-Ransom.Win32.GandCrypt.gen
BitDefenderDeepScan:Generic.BrResMon.1.BA1DC684
NANO-AntivirusTrojan.Win32.NeutrinoPOS.exytnd
ViRobotTrojan.Win32.Agent.206336.Q
MicroWorld-eScanDeepScan:Generic.BrResMon.1.BA1DC684
TencentMalware.Win32.Gencirc.10b54be4
Ad-AwareDeepScan:Generic.BrResMon.1.BA1DC684
SophosML/PE-A + Mal/Ransom-FQ
ComodoTrojWare.Win32.Ransom.GandCrab.A@7jk3ar
BitDefenderThetaGen:NN.ZexaF.34608.tu0@aCilZipO
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_HPGANDCRAB.SMG2
McAfee-GW-EditionBehavesLike.Win32.Generic.fc
FireEyeGeneric.mg.bea3356eeab75a3f
EmsisoftDeepScan:Generic.BrResMon.1.BA1DC684 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1117310
eGambitUnsafe.AI_Score_98%
MicrosoftRansom:Win32/Gandcrab.SF!MTB
ArcabitDeepScan:Generic.BrResMon.1.BA1DC684
AegisLabTrojan.Win32.GandCrypt.tpjb
ZoneAlarmHEUR:Trojan-Ransom.Win32.GandCrypt.gen
GDataDeepScan:Generic.BrResMon.1.BA1DC684
AhnLab-V3Win-Trojan/MalPe34.Suspicious.X2029
Acronissuspicious
VBA32TrojanBanker.NeutrinoPOS
MAXmalware (ai score=99)
MalwarebytesRansom.GandCrab
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_HPGANDCRAB.SMG2
RisingMalware.Obscure/Heur!1.9E03 (CLOUD)
IkarusTrojan-Dropper.Win32.Danabot
FortinetW32/Kryptik.GLKY!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.56c

How to remove Win32/Kryptik.GDBZ 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.GDBZ 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.GDBZ 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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