Trojan-Ransom.Win32.Blocker.kxtj

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

What is Trojan-Ransom.Win32.Blocker.kxtj infection?

In this short article you will certainly find concerning the meaning of Trojan-Ransom.Win32.Blocker.kxtj as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is specified by on-line frauds to demand paying the ransom by a victim.

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Most of the cases, Trojan-Ransom.Win32.Blocker.kxtj virus will certainly advise its victims to launch funds move for the function of counteracting the changes that the Trojan infection has presented to the victim’s tool.

Trojan-Ransom.Win32.Blocker.kxtj Summary

These modifications can be as adheres to:

  • Injection (inter-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.
  • Detected script timer window indicative of sleep style evasion;
  • 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.

  • A scripting utility was executed;
  • 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!
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • A potential decoy document was displayed to the user;
  • 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
  • Stores JavaScript or a script command in the registry, likely for persistence or configuration;
  • 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.
  • 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 papers situated on the target’s hard disk — so the target can no longer utilize the data;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyzTrojan-Ransom.Win32.Blocker.kxtj
a.tomx.xyzTrojan-Ransom.Win32.Blocker.kxtj

Trojan-Ransom.Win32.Blocker.kxtj

The most normal channels where Trojan-Ransom.Win32.Blocker.kxtj Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of user ending up on a resource that hosts a destructive software application;

As quickly as the Trojan is successfully injected, it will either cipher the data on the target’s computer or stop the device from working in a proper fashion – while also putting a ransom money note that points out the need for the victims to effect the settlement for the function of decrypting the documents or recovering the documents system back to the first problem. In a lot of circumstances, the ransom note will certainly come up when the client restarts the PC after the system has actually currently been harmed.

Trojan-Ransom.Win32.Blocker.kxtj circulation channels.

In various edges of the world, Trojan-Ransom.Win32.Blocker.kxtj grows by jumps and bounds. However, the ransom money notes and also methods of obtaining the ransom money quantity may vary depending on certain neighborhood (local) settings. The ransom notes as well as methods of extorting the ransom money amount may differ depending on particular regional (local) settings.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software application.

    In certain areas, the Trojans typically wrongfully report having found some unlicensed applications allowed on the target’s gadget. The alert then requires the customer to pay the ransom.

    Faulty declarations concerning unlawful web content.

    In countries where software piracy is less preferred, this technique is not as reliable for the cyber frauds. Conversely, the Trojan-Ransom.Win32.Blocker.kxtj popup alert may incorrectly declare to be deriving from a police institution and also will report having situated child pornography or various other illegal information on the tool.

    Trojan-Ransom.Win32.Blocker.kxtj popup alert may falsely assert to be acquiring from a regulation enforcement organization as well as will certainly report having situated child pornography or other unlawful data on the tool. The alert will likewise have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: F40A06BE
md5: 6688edd52b6c322e85971a6cccf9090f
name: 6688EDD52B6C322E85971A6CCCF9090F.mlw
sha1: 9a23d19e880bc66bf4f326163d50682af0e4a0dc
sha256: 68b1111d081292a6ae6e9dfd6e768675b0e5d69ebedb506fb4b460966d511aaa
sha512: 5f89cdaa0fb1b5ac154e7e438d4350c139631fc26328e69054373808d2e0429878d9eff47eb061151084bb79f625d36591b8e91ce55a1fa323055d244f02461f
ssdeep: 12288:SDoqvQeE0fxxU79bbdbLwZUOtrRebxMJxr+GKu3YhejiUan6oe+X6mhFqdxjsKs:5qTfxxUXbL4YfUan6B+Kmh25s5Kco
type: MS-DOS executable, MZ for MS-DOS

Version Info:

LegalCopyright:
InternalName:
FileVersion: 1.1.21.03
ProductName:
ProductVersion: 1.1.21.03
FileDescription:
OriginalFilename:
Translation: 0x0409 0x04b0

Trojan-Ransom.Win32.Blocker.kxtj also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0052964f1 )
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop6.63002
CynetMalicious (score: 100)
ALYacTrojan.GenericKD.30497602
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.71138
CrowdStrikewin/malicious_confidence_60% (D)
K7GWTrojan ( 0052964f1 )
Cybereasonmalicious.52b6c3
SymantecML.Attribute.HighConfidence
ESET-NOD32VBS/Agent.NDW
APEXMalicious
AvastFileRepMalware
KasperskyTrojan-Ransom.Win32.Blocker.kxtj
BitDefenderTrojan.GenericKD.30497602
NANO-AntivirusTrojan.Win32.Blocker.eziith
MicroWorld-eScanTrojan.GenericKD.30497602
TencentWin32.Trojan.Blocker.Wozw
Ad-AwareTrojan.GenericKD.30497602
SophosMal/Generic-S
McAfee-GW-EditionBehavesLike.Win32.MultiDropper.dh
FireEyeGeneric.mg.6688edd52b6c322e
EmsisoftTrojan.GenericKD.30497602 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Spy.Gen2
MicrosoftProgram:Win32/Wacapew.C!ml
GDataTrojan.GenericKD.30497602
Acronissuspicious
McAfeeArtemis!6688EDD52B6C
MAXmalware (ai score=94)
MalwarebytesMalware.AI.188345881
PandaTrj/Genetic.gen
RisingTrojan.Generic@ML.93 (RDML:WIQgISGgaxGdfvqpKgQC9w)
IkarusWorm.VBS.Agent
FortinetVBS/Agent.NDW!worm
AVGFileRepMalware
Paloaltogeneric.ml

How to remove Trojan-Ransom.Win32.Blocker.kxtj ransomware?

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 Trojan-Ransom.Win32.Blocker.kxtj 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 Trojan-Ransom.Win32.Blocker.kxtj 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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