Win32/Kryptik.GEFZ

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

What is Win32/Kryptik.GEFZ infection?

In this short article you will find about the interpretation of Win32/Kryptik.GEFZ and also its unfavorable impact on your computer system. Such ransomware are a form of malware that is clarified by on the internet frauds to demand paying the ransom by a victim.

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In the majority of the situations, Win32/Kryptik.GEFZ virus will advise its victims to initiate funds move for the function of counteracting the amendments that the Trojan infection has actually introduced to the target’s gadget.

Win32/Kryptik.GEFZ Summary

These adjustments can be as adheres to:

  • Executable code extraction;
  • Attempts to connect to a dead IP:Port (3 unique times);
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Reads data out of its own binary image;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Detects Sandboxie through the presence of a library;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • A system process is generating network traffic likely as a result of process injection;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Ciphering the documents situated on the sufferer’s hard disk — so the victim can no longer make use of the data;
  • Preventing normal access to the victim’s workstation;

Related domains:

sadasdxzczxaik2.xyzTrojan-Ransom.Win32.Foreign.nzcq
sadasdxzcasdxaik2.xyzTrojan-Ransom.Win32.Foreign.nzcq
oltarkwosm.onlineTrojan-Ransom.Win32.Foreign.nzcq
ww38.oltarkwosm.onlineTrojan-Ransom.Win32.Foreign.nzcq
skjdfhjbitbit.bitTrojan-Ransom.Win32.Foreign.nzcq
santalopezcruz.bitTrojan-Ransom.Win32.Foreign.nzcq

Win32/Kryptik.GEFZ

One of the most common networks through which Win32/Kryptik.GEFZ are infused are:

  • By ways of phishing emails;
  • 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 data on the sufferer’s PC or avoid the device from working in a proper way – while also positioning a ransom money note that points out the need for the sufferers to effect the payment for the purpose of decrypting the files or recovering the documents system back to the preliminary condition. In many circumstances, the ransom note will certainly show up when the customer restarts the COMPUTER after the system has already been damaged.

Win32/Kryptik.GEFZ distribution channels.

In different corners of the globe, Win32/Kryptik.GEFZ grows by jumps and bounds. Nonetheless, the ransom money notes and also techniques of extorting the ransom amount might differ relying on specific neighborhood (local) setups. The ransom notes and techniques of extorting the ransom quantity might differ depending on specific local (regional) setups.

Ransomware injection

For instance:

    Faulty informs about unlicensed software application.

    In particular locations, the Trojans typically wrongfully report having discovered some unlicensed applications made it possible for on the victim’s device. The alert after that requires the customer to pay the ransom.

    Faulty declarations concerning unlawful web content.

    In countries where software program piracy is less popular, this technique is not as reliable for the cyber scams. Alternatively, the Win32/Kryptik.GEFZ popup alert may falsely claim to be originating from a police establishment and will certainly report having located child pornography or various other illegal information on the tool.

    Win32/Kryptik.GEFZ popup alert may wrongly declare to be obtaining from a law enforcement establishment as well as will report having located kid pornography or other prohibited information on the device. The alert will similarly contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: E5B44028
md5: a67eada0b1e595d89805654097118780
name: A67EADA0B1E595D89805654097118780.mlw
sha1: a2912eb474a57b5f6f0f4200c18a11681224ee10
sha256: abfaac7097fb5a3d1fad825cd894645da38133dd953adaac7050fe7d5369eb94
sha512: 5e5ae6c7db140b0514b2c2b7b5d084fc362fa83d44fd0275d3a131fe1cb8583ff9d1073f59c8290f0ff1b543432328f16a9b73bcfecf707a9fc3df089ea3013c
ssdeep: 12288:F3IobHu9QTXCGg2g6vXFNuQEDbcZHaqF7l/c4MHbH0ERs:NNbHuWpvVREDbnqF7l/xUUr
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (c) 2006-2014
InternalName: TwnJacks
FileVersion: 8.8.7.5
CompanyName: Nero AG
LegalTrademarks: Copyright (c) 2006-2014
ProductName: TwnJacks
ProductVersion: 8.8.7.5
FileDescription: Zombied Summary
OriginalFilename: TwnJacks.exe
Translation: 0x0409 0x04b0

Win32/Kryptik.GEFZ also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 0056e97b1 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
ALYacTrojan.Autoruns.GenericKDS.44436884
CylanceUnsafe
CrowdStrikewin/malicious_confidence_70% (D)
K7GWTrojan ( 0056e97b1 )
Cybereasonmalicious.0b1e59
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.GEFZ
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Foreign.nzcq
BitDefenderTrojan.Autoruns.GenericKDS.44436884
NANO-AntivirusTrojan.Win32.MalwareCrypter.eyunly
MicroWorld-eScanTrojan.Autoruns.GenericKDS.44436884
TencentWin32.Trojan.Foreign.Lmks
Ad-AwareTrojan.Autoruns.GenericKDS.44436884
ComodoMalware@#2nvxw6qs7dsqt
BitDefenderThetaGen:NN.ZexaF.34758.Eq0@aKan6oli
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Dropper.gh
FireEyeGeneric.mg.a67eada0b1e595d8
EmsisoftTrojan.Autoruns.GenericKDS.44436884 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1115366
Antiy-AVLTrojan/Generic.ASMalwS.24F470C
MicrosoftTrojan:Win32/Occamy.B
ArcabitTrojan.Autoruns.GenericS.D2A60D94
AegisLabTrojan.Win32.Foreign.j!c
GDataTrojan.Autoruns.GenericKDS.44436884
AhnLab-V3Malware/Win32.Generic.C2473354
Acronissuspicious
McAfeeArtemis!A67EADA0B1E5
MAXmalware (ai score=97)
PandaTrj/CI.A
YandexTrojan.Foreign!V6p1Y1z0DdU
IkarusTrojan-Ransom.GandCrab
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Win32/Kryptik.GEFZ 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.GEFZ 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.GEFZ 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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