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

In this post you will certainly discover regarding the meaning of Trojan-Ransom.Win32.Blocker.cjzj as well as its unfavorable impact on your computer system. Such ransomware are a kind of malware that is specified by on-line frauds to demand paying the ransom money by a victim.

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In the majority of the cases, Trojan-Ransom.Win32.Blocker.cjzj ransomware will advise its sufferers to initiate funds transfer for the function of counteracting the changes that the Trojan infection has actually presented to the victim’s device.

Trojan-Ransom.Win32.Blocker.cjzj 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.
  • 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.
  • Mimics the system’s user agent string for its own requests;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Behavior consistent with a dropper attempting to download the next stage.;
  • 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.
  • Likely virus infection of existing system binary;
  • Creates a copy of itself;
  • Ciphering the records located on the target’s hard drive — so the victim can no longer utilize the data;
  • Preventing routine access to the sufferer’s workstation;


The most normal networks through which Trojan-Ransom.Win32.Blocker.cjzj Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a consequence of individual winding up on a resource that hosts a malicious software;

As quickly as the Trojan is effectively infused, it will either cipher the data on the target’s PC or stop the tool from functioning in an appropriate manner – while additionally positioning a ransom note that mentions the need for the victims to effect the payment for the function of decrypting the records or bring back the file system back to the initial condition. In many circumstances, the ransom money note will come up when the client restarts the PC after the system has already been damaged.

Trojan-Ransom.Win32.Blocker.cjzj distribution channels.

In various corners of the world, Trojan-Ransom.Win32.Blocker.cjzj expands by leaps and bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom quantity may differ depending upon specific neighborhood (regional) setups. The ransom money notes as well as techniques of obtaining the ransom amount might vary depending on specific local (regional) settings.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software.

    In particular locations, the Trojans typically wrongfully report having actually identified some unlicensed applications made it possible for on the target’s gadget. The sharp then demands the user to pay the ransom money.

    Faulty declarations concerning unlawful material.

    In countries where software piracy is much less preferred, this technique is not as reliable for the cyber scams. Alternatively, the Trojan-Ransom.Win32.Blocker.cjzj popup alert may falsely claim to be originating from a law enforcement establishment and also will report having located youngster pornography or other prohibited information on the tool.

    Trojan-Ransom.Win32.Blocker.cjzj popup alert might wrongly declare to be deriving from a legislation enforcement institution as well as will report having located youngster pornography or other illegal information on the device. The alert will similarly have a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: D5590651
md5: bc11c93f1b6dc74bf4804a35b34d9267
name: BC11C93F1B6DC74BF4804A35B34D9267.mlw
sha1: a18c25ed1282f56225d21c6460ffaaf16ae0d965
sha256: a2bc3059283d7cc7bc574ce32cb6b8bfd27e02ac3810a21bd3a9b84c17f18a72
sha512: c1e29195cd7ec50ae233318dcd149a6430fae3feb1f049c75083ee8879ea4733a09a985325d8448661d0c59a0a509ce9baaab174cb114d6ba2f908f63c819521
ssdeep: 12288:GebREpUV8gO1Axt4Kkp7vSCfnuf9Ooj0N:ZbepUV8gOit4KW79aOoQ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2002-2009 Woodround Corporation. All rights reserved.
InternalName: cardpus.exe
FileVersion: 10.3.346.213
CompanyName: Woodround Corp.
SpecialBuild: Public
LegalTrademarks: Copyright (C) 2000-2007 Woodround Corporation. All rights reserved.
ProductName: Woodround Earthbring
ProductVersion: 10.3.346.213
FileDescription: Woodround Earthbring
OriginalFilename: cardpus.exe
Translation: 0x0409 0x04b0

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0040f6691 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader10.20428
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Crilock.A
ALYac Trojan.GenericKDV.1270078
Cylance Unsafe
Zillya Trojan.Blocker.Win32.11463
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Starter.ali2000005
K7GW Trojan ( 0040f6691 )
Cybereason malicious.f1b6dc
Cyren W32/Trojan.GAJP-2126
Symantec Ransom.Cryptolock!g4
ESET-NOD32 Win32/Filecoder.BQ
Zoner Trojan.Win32.20131
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.cjzj
BitDefender Trojan.GenericKDV.1270078
NANO-Antivirus Trojan.Win32.Blocker.cqjuzu
ViRobot Trojan.Win32.S.Ransom.708608
MicroWorld-eScan Trojan.GenericKDV.1270078
Tencent Win32.Trojan.Blocker.Pfiv
Ad-Aware Trojan.GenericKDV.1270078
Sophos Mal/Generic-R + Mal/Ransom-BZ
Comodo Malware@#3109uvwwl6ppv
BitDefenderTheta Gen:NN.ZexaF.34670.Rq0@aqWGI2hi
VIPRE Trojan.Win32.Zbot.ata (v)
Emsisoft Trojan.GenericKDV.1270078 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Agent.hmls
Webroot Trojan.Crilock.A
Avira TR/Crypt.ZPACK.12461
eGambit Generic.Malware
Antiy-AVL Trojan[Ransom]/Win32.Blocker
Microsoft Ransom:Win32/Crilock.A
AegisLab Trojan.Win32.Blocker.j!c
GData Win32.Trojan.Agent.8T2DYF
TACHYON Trojan/W32.Blocker.708608.B
AhnLab-V3 Trojan/Win32.Blocker.C199566
MAX malware (ai score=100)
VBA32 Hoax.Blocker
Panda Trj/WLT.A
TrendMicro-HouseCall TROJ_CRILOCK.AA
Rising Trojan.Spy.Win32.Crilock.b (CLOUD)
Yandex Trojan.Blocker!Ji4+v3NOOKo
Ikarus Trojan-Spy.Zbot
MaxSecure Trojan.Malware.6433862.susgen
Fortinet W32/KRYPTIK.PDA!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Ransom.Blocker.HwcBINsA

How to remove Trojan-Ransom.Win32.Blocker.cjzj 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.cjzj 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.cjzj you can always ask me in the comments for getting help.

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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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