Win32/Kryptik.FEJT

What is Win32/Kryptik.FEJT infection?

In this article you will find regarding the meaning of Win32/Kryptik.FEJT and also its adverse effect on your computer. Such ransomware are a type of malware that is elaborated by on-line frauds to require paying the ransom money by a victim.

Most of the cases, Win32/Kryptik.FEJT ransomware will certainly advise its victims to launch funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually introduced to the victim’s tool.

Win32/Kryptik.FEJT Summary

These adjustments 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Injection with SetWindowLong in a remote process;
  • 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.
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • 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;
  • Executed a process and injected code into it, probably while unpacking;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the files located on the sufferer’s hard drive — so the target can no more use the information;
  • Preventing normal 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.FEJT

The most normal networks whereby Win32/Kryptik.FEJT Trojans 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 an effect of customer ending up on a resource that holds a harmful software program;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s computer or protect against the tool from operating in an appropriate manner – while additionally putting a ransom note that states the requirement for the sufferers to impact the payment for the objective of decrypting the papers or restoring the data system back to the first problem. In the majority of circumstances, the ransom note will certainly turn up when the client reboots the PC after the system has actually currently been damaged.

Win32/Kryptik.FEJT circulation channels.

In numerous edges of the world, Win32/Kryptik.FEJT expands by leaps and also bounds. Nonetheless, the ransom money notes as well as techniques of obtaining the ransom money quantity might vary depending on specific regional (regional) setups. The ransom money notes as well as tricks of obtaining the ransom money amount may differ depending on certain neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software application.

    In particular areas, the Trojans usually wrongfully report having identified some unlicensed applications allowed on the victim’s gadget. The alert then demands the user to pay the ransom.

    Faulty declarations regarding unlawful material.

    In nations where software application piracy is much less popular, this technique is not as efficient for the cyber fraudulences. Alternatively, the Win32/Kryptik.FEJT popup alert might incorrectly claim to be originating from a police establishment and will report having situated child porn or other unlawful information on the gadget.

    Win32/Kryptik.FEJT popup alert might falsely assert to be deriving from a legislation enforcement establishment and also will report having located youngster porn or other prohibited information on the device. The alert will in a similar way include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 905352BEmd5: beb31d049bc8153b4358557dfc6615aaname: BEB31D049BC8153B4358557DFC6615AA.mlwsha1: 438a7479505279758150e1bf0ba9e335177597absha256: 214e039f748ed893ae9c8c54f64c78898016ba7f2c09661a69fb3eb1a2936b1asha512: 02825023d06ed08214c6c1c367ebcc493ec21782602018e7945c158b56c4258735c9f134789be75d299ae46b045e9dcf9a6d53ad317b3a48aaf7f8b8d6ef778dssdeep: 6144:TWJ0Af+20IGiWZ2ftwBO53wxHZSaxXXed0mq6XJaRG2:TWJ0Q+Ftk6xed0m7Za7type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyrightxa9 2005-2015InternalName: FileVersion: 5.0.3.0CompanyName: IObitLegalTrademarks: IObitComments: ProductName: UninstallMonitorProductVersion: 5.0.1.0FileDescription: IObit Uninstaller 5 UninstallMontiorOriginalFilename: Translation: 0x0409 0x04e4

Win32/Kryptik.FEJT also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005224381 )
Elastic malicious (high confidence)
DrWeb Trojan.KillProc.54635
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Cerber.1
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.2073476
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Viknok.5ff43174
K7GW Trojan ( 0051c8ad1 )
Cybereason malicious.49bc81
Baidu Win32.Trojan.Kryptik.alb
Cyren W32/Cerber.CE.gen!Eldorado
Symantec Packed.Generic.459
ESET-NOD32 a variant of Win32/Kryptik.FEJT
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan.Win32.Vucha.dc
BitDefender Trojan.Ransom.Cerber.1
NANO-Antivirus Trojan.Win32.Vucha.evrttr
MicroWorld-eScan Trojan.Ransom.Cerber.1
Tencent Win32.Trojan.Generic.Pjxb
Ad-Aware Trojan.Ransom.Cerber.1
Sophos ML/PE-A + Mal/Ransom-EJ
Comodo TrojWare.Win32.Kryptik.ERJ@6l0vie
BitDefenderTheta Gen:NN.ZexaF.34722.uq0@aK02znkj
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.SMEJ7
McAfee-GW-Edition BehavesLike.Win32.Ransomware.fc
FireEye Generic.mg.beb31d049bc8153b
Emsisoft Trojan.Ransom.Cerber.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Vucha.bhd
Avira HEUR/AGEN.1129194
eGambit Unsafe.AI_Score_94%
Antiy-AVL Trojan/Generic.ASMalwS.22EF858
Microsoft Trojan:Win32/Viknok.B
Arcabit Trojan.Ransom.Cerber.1
GData Trojan.Ransom.Cerber.1
AhnLab-V3 Win-Trojan/Cerber.Gen
Acronis suspicious
McAfee Trojan-FORL!BEB31D049BC8
MAX malware (ai score=100)
VBA32 BScope.TrojanPSW.Papras
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CERBER.SMEJ7
Rising Trojan.Kryptik!1.AE9C (CLASSIC)
Yandex Trojan.GenAsa!WtVq00nAUZY
Ikarus Virus.Win32.CeeInject
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Dridex.DD!tr
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove Win32/Kryptik.FEJT 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.FEJT 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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