Win32/Kryptik.GCYE

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

What is Win32/Kryptik.GCYE infection?

In this short article you will locate concerning the meaning of Win32/Kryptik.GCYE as well as its adverse impact on your computer system. Such ransomware are a type of malware that is elaborated by on-line frauds to require paying the ransom by a sufferer.

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Most of the instances, Win32/Kryptik.GCYE virus will certainly advise its targets to launch funds move for the purpose of counteracting the modifications that the Trojan infection has introduced to the target’s device.

Win32/Kryptik.GCYE Summary

These modifications 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.
  • 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;
  • 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
  • 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 papers located on the target’s hard disk — so the victim can no longer make use of the data;
  • Preventing routine accessibility 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.GCYE

The most regular networks whereby Win32/Kryptik.GCYE Ransomware are injected 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 repercussion of individual winding up on a resource that holds a malicious software program;

As soon as the Trojan is efficiently injected, it will either cipher the data on the target’s computer or prevent the tool from operating in a correct fashion – while also placing a ransom note that states the need for the targets to impact the repayment for the objective of decrypting the files or restoring the file system back to the preliminary problem. In a lot of circumstances, the ransom money note will certainly show up when the client reboots the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.GCYE circulation networks.

In different corners of the globe, Win32/Kryptik.GCYE expands by jumps as well as bounds. However, the ransom money notes and tricks of extorting the ransom quantity might vary relying on specific neighborhood (local) setups. The ransom notes and also methods of extorting the ransom money quantity may vary depending on particular neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software application.

    In particular locations, the Trojans commonly wrongfully report having discovered some unlicensed applications enabled on the victim’s gadget. The alert after that requires the user to pay the ransom money.

    Faulty statements regarding illegal content.

    In countries where software application piracy is less popular, this approach is not as reliable for the cyber scams. Alternatively, the Win32/Kryptik.GCYE popup alert might falsely declare to be deriving from a law enforcement establishment and also will report having situated kid porn or other unlawful data on the gadget.

    Win32/Kryptik.GCYE popup alert might falsely assert to be deriving from a regulation enforcement organization and also will report having located child pornography or other prohibited information on the gadget. The alert will in a similar way include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 27015518
md5: be5b5750df483ac2bf19a897d3c79081
name: BE5B5750DF483AC2BF19A897D3C79081.mlw
sha1: 2964b5d294e1f26cc781d752d06e4c2417476e87
sha256: 8ca8704bba46f4ffa3ab84ede6c77bf5f8a8a596d7bdfea0acde8c9f2b72d8c4
sha512: 867211399825ca9f1e44c031fa78746abc0a7989474d336ff72e382dd19aae8e5f2249cd8bd3501f3959e96b0abb2f2e92a933458695a6a21e8570c12bb92bc4
ssdeep: 6144:zGHHCCm8CR88UY2f92Kix1LYNN2XLQ1sEbUOXDYGGWyo18:zYHCuCR88UYeIpSN3sEIm8GGWyoe
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GCYE also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop7.61466
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Mauvaise.SL1
ALYac Trojan.BRMon.Gen.3
Cylance Unsafe
Zillya Trojan.Scar.Win32.108270
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 005267131 )
K7AntiVirus Trojan ( 0053305e1 )
Cyren W32/S-c07995ba!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GCYE
APEX Malicious
Avast FileRepMalware
ClamAV Win.Ransomware.Gandcrab-6450061-1
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.BRMon.Gen.3
NANO-Antivirus Trojan.Win32.Miner.exwtnf
ViRobot Trojan.Win32.GandCrab.263680
SUPERAntiSpyware Trojan.Agent/Gen-Malagent
MicroWorld-eScan Trojan.BRMon.Gen.3
Tencent Malware.Win32.Gencirc.10b08c90
Ad-Aware Trojan.BRMon.Gen.3
Sophos Mal/Generic-R + Mal/Ransom-FN
Comodo TrojWare.Win32.Cloxer.AY@7o68fu
BitDefenderTheta Gen:NN.ZexaF.34670.qyW@a4qs7Zc
VIPRE Trojan.Win32.Generic!BT
TrendMicro TSPY_EMOTET.SMD3
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
FireEye Generic.mg.be5b5750df483ac2
Emsisoft Trojan.BRMon.Gen.3 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Agentb.ctb
Avira HEUR/AGEN.1103299
eGambit Unsafe.AI_Score_94%
Microsoft Trojan:Win32/GandCrypt.PVF!MTB
Arcabit Trojan.BRMon.Gen.3
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.BRMon.Gen.3
AhnLab-V3 Trojan/Win.MalPe.X2055
Acronis suspicious
McAfee GenericRXFE-YN!BE5B5750DF48
MAX malware (ai score=98)
VBA32 TrojanRansom.GandCrypt
Malwarebytes Trojan.MalPack
Panda Trj/Genetic.gen
TrendMicro-HouseCall TSPY_EMOTET.SMD3
Rising Ransom.GandCrab!1.B3C4 (RDMK:cmRtazqEGyXZgtAypoToj7roKq8A)
Yandex Trojan.GenAsa!IR9EosCtN9w
Ikarus Trojan-Ransom.GandCrab
Fortinet W32/GenKryptik.BAZY!tr
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Ransom.GandCrab.HwoCEpsA

How to remove Win32/Kryptik.GCYE 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.GCYE 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.GCYE 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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