Win32/Kryptik.GYJX

What is Win32/Kryptik.GYJX infection?

In this post you will find regarding the interpretation of Win32/Kryptik.GYJX and its unfavorable impact on your computer system. Such ransomware are a type of malware that is specified by on-line fraudulences to demand paying the ransom money by a sufferer.

In the majority of the situations, Win32/Kryptik.GYJX infection will advise its targets to initiate funds move for the objective of reducing the effects of the amendments that the Trojan infection has introduced to the victim’s device.

Win32/Kryptik.GYJX 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.
  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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.
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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 presence of disk drives in the registry, possibly for anti-virtualization;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the sufferer’s hard disk — so the target can no more utilize the data;
  • Preventing routine access to the sufferer’s workstation;

Win32/Kryptik.GYJX

The most common channels whereby Win32/Kryptik.GYJX Ransomware are injected are:

  • By means of phishing emails;
  • As a consequence of user ending up on a source that organizes a destructive software program;

As quickly as the Trojan is effectively infused, it will either cipher the data on the sufferer’s PC or avoid the tool from operating in an appropriate manner – while additionally placing a ransom note that states the demand for the targets to impact the payment for the purpose of decrypting the records or bring back the documents system back to the initial problem. In most instances, the ransom note will turn up when the client reboots the PC after the system has already been harmed.

Win32/Kryptik.GYJX distribution channels.

In different corners of the world, Win32/Kryptik.GYJX expands by leaps and also bounds. Nevertheless, the ransom notes as well as techniques of obtaining the ransom money quantity might differ depending upon particular local (local) settings. The ransom notes and methods of extorting the ransom amount may vary depending on certain neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having actually found some unlicensed applications enabled on the sufferer’s tool. The sharp then requires the customer to pay the ransom.

    Faulty declarations about prohibited material.

    In nations where software program piracy is much less popular, this method is not as efficient for the cyber scams. Additionally, the Win32/Kryptik.GYJX popup alert may incorrectly declare to be stemming from a law enforcement organization and also will report having located kid pornography or other prohibited information on the tool.

    Win32/Kryptik.GYJX popup alert might wrongly declare to be obtaining from a regulation enforcement establishment and also will certainly report having situated child pornography or other unlawful data on the gadget. The alert will likewise contain a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 5A9C0E19md5: 59242767d0cf0ed2e47ba35003350c8dname: winapp.exesha1: 257e0b9f7cbd173cc8ee3d24a327c926416beab3sha256: 50ca73e510646ea1534f248099ce844f7f6178adb93055f8459ec07645f48e79sha512: 0f8c57a81652ccc1b639fef90c1998e0a5fea565eb4e6ac02ad44446e245ced0052d2985d2156dfa2b99797eb120df4c85863539130be1d1e3d0c2ee2750be64ssdeep: 6144:i0hpdz3H18FJLvm/ml9kVUCY9x1cxTO+LLGLCLQaib8BVmTBq:i0hzH6FJzumHk4olLwsmTstype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

legaltrademarks: Mensurability Dinnertimecomments: Cuddle Escalatoryoriginalfilename: Furbishes Fundamentalscompanyname: Orgeat WalkedTranslation: 0x0576 0x0689

Win32/Kryptik.GYJX also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Gen:Heur.Dreidel.DuW@vqTtzpai
FireEye Generic.mg.59242767d0cf0ed2
McAfee GenericRXJF-RI!59242767D0CF
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 0055bd9f1 )
BitDefender Gen:Heur.Dreidel.DuW@vqTtzpai
K7GW Trojan ( 0055bd9f1 )
TrendMicro TROJ_GEN.R002C0PLA19
APEX Malicious
Avast Win32:Trojan-gen
GData Gen:Heur.Dreidel.DuW@vqTtzpai
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Kryptik.21a95483
NANO-Antivirus Trojan.Win32.Kryptik.gjbomo
AegisLab Trojan.Win32.Generic.4!c
Rising Trojan.GenKryptik!8.AA55 (TFE:4:ZNfRd7cYkCV)
Ad-Aware Gen:Heur.Dreidel.DuW@vqTtzpai
Sophos Mal/Generic-S
Comodo Malware@#173bj1xz49d6y
F-Secure Heuristic.HEUR/AGEN.1022704
DrWeb Trojan.Inject3.31705
Zillya Trojan.Kryptik.Win32.1876850
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Ransomware.gc
MaxSecure Trojan.Malware.7164915.susgen
Trapmine malicious.high.ml.score
Emsisoft Gen:Heur.Dreidel.DuW@vqTtzpai (B)
Ikarus Trojan.Win32.Crypt
Cyren W32/Trojan.OZTE-3188
Jiangmin Trojan.Generic.eitge
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1022704
Antiy-AVL Trojan/Win32.DefenseEvasion
Endgame malicious (high confidence)
Arcabit Trojan.Dreidel.E630FF
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Trojan:Win32/Wacatac.D!ml
AhnLab-V3 Trojan/Win32.Generic.C3582962
Acronis suspicious
VBA32 BScope.Trojan.Bomitag
ALYac Gen:Heur.Dreidel.DuW@vqTtzpai
MAX malware (ai score=100)
Malwarebytes Trojan.MalPack
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.GYJX
TrendMicro-HouseCall TROJ_GEN.R002C0PLA19
Tencent Win32.Trojan.Generic.Suxo
SentinelOne DFI – Malicious PE
Fortinet W32/Kryptik.FSFS!tr
BitDefenderTheta Gen:NN.ZexaF.34090.DuW@aqTtzpai
AVG Win32:Trojan-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Generic/Trojan.5c2

How to remove Win32/Kryptik.GYJX 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Win32/Kryptik.GYJX you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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