Win32/Kryptik.GLUJ

Written by Robert Bailey

What is Win32/Kryptik.GLUJ infection?

In this article you will certainly locate concerning the interpretation of Win32/Kryptik.GLUJ as well as its adverse influence on your computer system. Such ransomware are a kind of malware that is specified by on-line frauds to demand paying the ransom by a target.

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Most of the cases, Win32/Kryptik.GLUJ infection will instruct its victims to start funds transfer for the function of reducing the effects of the changes that the Trojan infection has actually introduced to the victim’s tool.

Win32/Kryptik.GLUJ 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 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. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to delete volume shadow copies;
  • 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
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents situated on the sufferer’s hard disk — so the target can no longer utilize the information;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz Ransom.Encoder.S3742251
a.tomx.xyz Ransom.Encoder.S3742251

Win32/Kryptik.GLUJ

One of the most regular channels where Win32/Kryptik.GLUJ Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As a repercussion of customer ending up on a resource that organizes a harmful software program;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the victim’s PC or protect against the device from working in a proper manner – while likewise putting a ransom note that states the demand for the victims to impact the payment for the purpose of decrypting the files or bring back the documents system back to the initial problem. In many instances, the ransom note will show up when the customer restarts the COMPUTER after the system has already been damaged.

Win32/Kryptik.GLUJ distribution networks.

In different corners of the globe, Win32/Kryptik.GLUJ expands by jumps as well as bounds. Nevertheless, the ransom notes as well as techniques of extorting the ransom amount may vary depending upon certain local (regional) setups. The ransom money notes and also methods of extorting the ransom amount may vary depending on specific local (local) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software.

    In certain areas, the Trojans usually wrongfully report having actually identified some unlicensed applications allowed on the sufferer’s device. The sharp after that demands the user to pay the ransom money.

    Faulty declarations concerning unlawful web content.

    In nations where software piracy is much less preferred, this technique is not as efficient for the cyber scams. Additionally, the Win32/Kryptik.GLUJ popup alert may falsely assert to be originating from a police establishment as well as will report having situated kid pornography or various other unlawful data on the tool.

    Win32/Kryptik.GLUJ popup alert might falsely declare to be deriving from a law enforcement establishment and also will certainly report having located child pornography or various other unlawful information on the tool. The alert will similarly consist of a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: F1022F08
md5: eacb13c2e856465670130364f13b0666
name: EACB13C2E856465670130364F13B0666.mlw
sha1: b5d9b14739dbd247e5afd73b67b92000c32adf85
sha256: a28d437b6b233aab5e1f22b86bb9031fa986aa3f476247774815dc557ee95356
sha512: 48b41a183c5007bd97c73e6a3abf87181bd7bba2e83cafa4c396d2818587610f734e172c7492344397c2a7f06ca40551c7d70804f86212d53925abd7591f5074
ssdeep: 12288:hg+6fJsSxLgjxiZpCjwKtk6+GG2sJMf6unKmVkRcx8RsBXiA:z6eZjxiZcTtk6+/J4rKHA
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright 2015 GuaHao
InternalName: Who Attendants
FileVersion: 2.6.57.345
CompanyName: GuaHao
PrivateBuild: 2.6.57.345
LegalTrademarks: Copyright 2015 GuaHao
Comments: Solidly East Bandit
ProductName: Who Attendants
ProductVersion: 2.6.57.345
FileDescription: Solidly East Bandit
OriginalFilename: Who Attendants
Translation: 0x0409 0x04b0

Win32/Kryptik.GLUJ also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0053cfb41 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Encoder.S3742251
ALYac Gen:Variant.Ransom.Ordinyppt.1
Cylance Unsafe
Zillya Trojan.Encoder.Win32.209
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/generic.ali2000010
K7GW Trojan ( 0053cfb41 )
Cybereason malicious.2e8564
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.GLUJ
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Encoder.sq
BitDefender Gen:Variant.Ransom.Ordinyppt.1
NANO-Antivirus Trojan.Win32.Encoder.fihwat
MicroWorld-eScan Gen:Variant.Ransom.Ordinyppt.1
Tencent Win32.Trojan.Encoder.Anpr
Ad-Aware Gen:Variant.Ransom.Ordinyppt.1
Sophos Mal/Generic-S
Comodo Malware@#1i0wgxllj0t1l
BitDefenderTheta Gen:NN.ZexaF.34692.Mq0@aW3!p3mi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.jh
FireEye Generic.mg.eacb13c2e8564656
Emsisoft Gen:Variant.Ransom.Ordinyppt.1 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Encoder.bk
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1121150
eGambit Unsafe.AI_Score_87%
Antiy-AVL Trojan/Generic.ASMalwS.281761E
Microsoft Trojan:Win32/Tiggre!rfn
GData Gen:Variant.Ransom.Ordinyppt.1
TACHYON Ransom/W32.Encoder.634880
AhnLab-V3 Malware/Win32.Generic.C2727363
Acronis suspicious
McAfee Artemis!EACB13C2E856
VBA32 TrojanRansom.Encoder
Panda Trj/GdSda.A
Rising Ransom.Encoder!8.FFD4 (CLOUD)
Yandex Trojan.Encoder!bed2AXHGfRI
Ikarus Trojan.Win32.Krypt
Fortinet W32/GenKryptik.CLRO!tr.ransom
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Kryptik.GLUJ 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

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.GLUJ 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Kryptik.GLUJ 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: http://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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