Win32/Kryptik.GZGR

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

What is Win32/Kryptik.GZGR infection?

In this short article you will certainly find concerning the definition of Win32/Kryptik.GZGR and also its unfavorable effect on your computer system. Such ransomware are a type of malware that is specified by on the internet frauds to demand paying the ransom money by a sufferer.

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In the majority of the situations, Win32/Kryptik.GZGR virus will certainly instruct its sufferers to start funds move for the objective of counteracting the amendments that the Trojan infection has actually introduced to the victim’s tool.

Win32/Kryptik.GZGR Summary

These adjustments 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.
  • A process created a hidden window;
  • Unconventionial language used in binary resources: Spanish (Guatemala);
  • 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;
  • A system process is generating network traffic likely as a result of process injection;
  • 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;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the target’s disk drive — so the target can no longer use the data;
  • Preventing regular accessibility to the sufferer’s workstation;

Win32/Kryptik.GZGR

One of the most regular networks where Win32/Kryptik.GZGR Ransomware are injected are:

  • By means of phishing e-mails;
  • As an effect of user ending up on a resource that hosts a harmful software program;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s computer or stop the tool from operating in a correct fashion – while additionally putting a ransom money note that states the requirement for the victims to effect the payment for the objective of decrypting the documents or restoring the file system back to the preliminary condition. In a lot of circumstances, the ransom note will certainly come up when the customer reboots the PC after the system has actually already been damaged.

Win32/Kryptik.GZGR distribution networks.

In numerous corners of the globe, Win32/Kryptik.GZGR expands by jumps and also bounds. However, the ransom notes and methods of extorting the ransom money amount might vary relying on certain neighborhood (regional) settings. The ransom notes and also methods of obtaining the ransom money quantity might vary depending on specific local (local) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software.

    In certain areas, the Trojans typically wrongfully report having identified some unlicensed applications made it possible for on the sufferer’s tool. The alert then requires the user to pay the ransom.

    Faulty statements regarding unlawful content.

    In countries where software program piracy is less prominent, this approach is not as efficient for the cyber frauds. Alternatively, the Win32/Kryptik.GZGR popup alert might incorrectly declare to be stemming from a police institution and will report having situated youngster pornography or various other illegal data on the gadget.

    Win32/Kryptik.GZGR popup alert may incorrectly assert to be deriving from a law enforcement institution and will certainly report having situated child porn or various other unlawful information on the device. The alert will in a similar way have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 331A7D30
md5: de2a7cb47006c0796f843d18dac4aee5
name: DE2A7CB47006C0796F843D18DAC4AEE5.mlw
sha1: f052128c8bf846f3cf400d27e303b7525835cb27
sha256: 7bc9b04fe53373a9fdf0da8a675a8adfe712e5e9f666c4314fc4772cee6ed644
sha512: ade107f3353d7410c08e8d3c091f07d075a4a6739e00a7da7f38beed4abdb59871d6e606806582d69ad64defcd2226df61765a336d3e022099b2049eb7ba0660
ssdeep: 6144:S/LNO5KFfy77TtD/wjVE2Gc0gzmRAYlv7pUH7+NM0tSVqsRH4qUiek/9zKR8PEN:S/LNrK77TX2iySBv7OyK00bRHJWRv
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GZGR also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0053305e1 )
Elasticmalicious (high confidence)
DrWebTrojan.Siggen7.29563
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ5
ALYacGen:Heur.Mint.Titirez.yyW@LOCxjKP
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
K7GWTrojan ( 0053305e1 )
Cybereasonmalicious.47006c
CyrenW32/S-a155a775!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GZGR
APEXMalicious
AvastFileRepMetagen [Malware]
ClamAVWin.Packer.Crypter-6539596-1
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Heur.Mint.Titirez.yyW@LOCxjKP
NANO-AntivirusRiskware.Win32.GenKryptik.fcrqmn
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicroWorld-eScanGen:Heur.Mint.Titirez.yyW@LOCxjKP
TencentMalware.Win32.Gencirc.10b3ecbb
Ad-AwareGen:Heur.Mint.Titirez.yyW@LOCxjKP
SophosMal/Generic-R + Mal/GandCrab-B
ComodoTrojWare.Win32.Cloxer.AY@7o68fu
F-SecureHeuristic.HEUR/AGEN.1103318
BitDefenderThetaGen:NN.ZexaF.34608.yyW@aOCxjKP
VIPRETrojan.Win32.Generic!BT
TrendMicroMal_HPGen-37b
McAfee-GW-EditionBehavesLike.Win32.Generic.fc
FireEyeGeneric.mg.de2a7cb47006c079
EmsisoftGen:Heur.Mint.Titirez.yyW@LOCxjKP (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1103318
eGambitUnsafe.AI_Score_98%
MicrosoftTrojan:Win32/GandCrab.KDS!MTB
ArcabitTrojan.Mint.Titirez.E7A22D
AegisLabTrojan.Win32.Chapak.4!c
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Heur.Mint.Titirez.yyW@LOCxjKP
AhnLab-V3Win-Trojan/Gandcrab03.Exp
Acronissuspicious
McAfeeGenericRXFO-WN!DE2A7CB47006
MAXmalware (ai score=99)
VBA32Malware-Cryptor.Limpopo
MalwarebytesGandcrab.Ransom.Encrypt.DDS
PandaTrj/CI.A
TrendMicro-HouseCallMal_HPGen-37b
YandexTrojan.GenAsa!5suhI1t4ePQ
IkarusTrojan.Win32.Crypt
MaxSecureRansomeware.CRAB.gen
FortinetW32/GenKryptik.CPYR!tr
AVGFileRepMetagen [Malware]
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.f76

How to remove Win32/Kryptik.GZGR 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.GZGR 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.GZGR 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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