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The Daily Insight

Trojan-Ransom.Win32.Blocker.kpii

Author

Daniel Foster

Updated on February 26, 2026

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

In this article you will discover regarding the definition of Trojan-Ransom.Win32.Blocker.kpii as well as its adverse impact on your computer system. Such ransomware are a form of malware that is elaborated by online frauds to demand paying the ransom by a target.

Most of the cases, Trojan-Ransom.Win32.Blocker.kpii virus will certainly instruct its sufferers to initiate funds move for the purpose of neutralizing the amendments that the Trojan infection has presented to the victim’s device.

Trojan-Ransom.Win32.Blocker.kpii Summary

These alterations can be as adheres to:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Ciphering the documents located on the target’s hard disk drive — so the victim can no more make use of the data;
  • Preventing normal access 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.

Trojan-Ransom.Win32.Blocker.kpii

One of the most typical channels through which Trojan-Ransom.Win32.Blocker.kpii are injected are:

  • By methods of phishing emails;
  • As an effect of user winding up on a source that organizes a harmful software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s PC or prevent the gadget from working in a correct manner – while also putting a ransom note that mentions the requirement for the targets to impact the settlement for the objective of decrypting the records or bring back the documents system back to the initial condition. In the majority of instances, the ransom note will certainly come up when the client reboots the COMPUTER after the system has already been harmed.

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

In numerous edges of the world, Trojan-Ransom.Win32.Blocker.kpii grows by jumps as well as bounds. Nonetheless, the ransom notes and also techniques of obtaining the ransom quantity might differ depending on particular local (local) setups. The ransom money notes and also techniques of obtaining the ransom money quantity may vary depending on particular neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software.

    In particular areas, the Trojans typically wrongfully report having found some unlicensed applications made it possible for on the victim’s tool. The alert after that demands the user to pay the ransom.

    Faulty statements regarding prohibited content.

    In countries where software program piracy is much less preferred, this method is not as reliable for the cyber frauds. Alternatively, the Trojan-Ransom.Win32.Blocker.kpii popup alert might wrongly claim to be deriving from a law enforcement institution as well as will certainly report having located kid pornography or other illegal data on the tool.

    Trojan-Ransom.Win32.Blocker.kpii popup alert might falsely assert to be obtaining from a law enforcement organization and will certainly report having situated youngster pornography or other illegal data on the device. The alert will likewise consist of a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 48CDED57md5: 167cef1def04dbd1932da0aaedb95de1name: 167CEF1DEF04DBD1932DA0AAEDB95DE1.mlwsha1: 0aea471a1686097f4a03ebb2e200a19c8bab920dsha256: 80f8cb749b5936f4585ca115505c38ccf46a989e257367be524b5f56f10bb1f9sha512: 0eca9d905cecc14244e427e32ed368925908e0e688d387c0dcd0644f53860667b4159054b0665350609aa9d3177e2572684deaf8aae94e0b5b9ecd6581599599ssdeep: 6144:TCY0jhjl+k3MMIMTkfMEUZIvsyBWJ4b4lcwMoDcckF:T05+kRjkPqIvsyB7b4WAcFtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
DrWebTrojan.Winlock.3333
CynetMalicious (score: 100)
ZillyaTrojan.Yakes.Win32.13964
CrowdStrikewin/malicious_confidence_90% (D)
SymantecML.Attribute.HighConfidence
ESET-NOD32Win32/LockScreen.AGU
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Blocker.kpii
NANO-AntivirusTrojan.Win32.Yakes.xoybh
TencentWin32.Trojan.Yakes.ink
SophosMal/Generic-S
ComodoSuspicious@#156fiurzs8dm8
BitDefenderThetaGen:NN.ZelphiF.34628.sGW@aWH83hg
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Android.fh
FireEyeGeneric.mg.167cef1def04dbd1
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1117114
MicrosoftTrojan:Win32/Ransom.DR
McAfeePWS-Zbot.gen.bgi
PandaTrj/Pacrypt.E
RisingRansom.Genasom!8.293 (CLOUD)
YandexTrojan.DR!Li1ZSRgnEl8
IkarusTrojan.Win32.Menti
FortinetW32/Zbot.AAO!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360HEUR/QVM05.1.Malware.Gen

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

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Download GridinSoft Anti-Malware

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.kpii 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 Trojan-Ransom.Win32.Blocker.kpii you can always ask me in the comments for getting help.

References

  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products: