Trojan.Agent.EZUU

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

What is Trojan.Agent.EZUU infection?

In this short article you will find concerning the meaning of Trojan.Agent.EZUU and its negative influence on your computer. Such ransomware are a type of malware that is specified by online scams to demand paying the ransom by a target.

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In the majority of the instances, Trojan.Agent.EZUU virus will certainly instruct its targets to launch funds move for the purpose of reducing the effects of the modifications that the Trojan infection has introduced to the victim’s tool.

Trojan.Agent.EZUU Summary

These alterations 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Presents an Authenticode digital signature;
  • 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 created a hidden window;
  • 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;
  • 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
  • Ciphering the records located on the sufferer’s hard disk drive — so the victim can no more utilize the information;
  • Preventing routine accessibility to the target’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.Agent.EZUU

One of the most typical channels whereby Trojan.Agent.EZUU Ransomware are infused are:

  • By means of phishing e-mails;
  • As an effect of customer ending up on a resource that organizes a destructive software;

As soon as the Trojan is efficiently infused, it will either cipher the information on the victim’s computer or protect against the gadget from functioning in an appropriate way – while likewise placing a ransom note that points out the requirement for the sufferers to effect the repayment for the objective of decrypting the records or restoring the documents system back to the initial problem. In most instances, the ransom note will certainly come up when the client restarts the PC after the system has actually already been damaged.

Trojan.Agent.EZUU circulation channels.

In different corners of the world, Trojan.Agent.EZUU expands by leaps as well as bounds. Nonetheless, the ransom notes and methods of obtaining the ransom money amount may vary relying on particular local (local) settings. The ransom money notes and also tricks of obtaining the ransom money amount may vary depending on specific local (local) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In specific locations, the Trojans usually wrongfully report having spotted some unlicensed applications made it possible for on the victim’s device. The alert then demands the customer to pay the ransom.

    Faulty statements regarding illegal material.

    In nations where software application piracy is much less prominent, this approach is not as effective for the cyber fraudulences. Alternatively, the Trojan.Agent.EZUU popup alert may wrongly declare to be deriving from a law enforcement institution and will certainly report having situated child pornography or other unlawful information on the gadget.

    Trojan.Agent.EZUU popup alert might wrongly assert to be obtaining from a legislation enforcement establishment and will certainly report having located child pornography or other illegal information on the device. The alert will in a similar way have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 21AFB087
md5: 20d336942a57ca33de86e94dc0ac23d6
name: 20D336942A57CA33DE86E94DC0AC23D6.mlw
sha1: 070fc46223cd6cb96117bc8579902bb8cdb7f1f6
sha256: 994edd4a52a89c3ff4986e2d547c77105997eb4ff7acae710c01156b823fe6d2
sha512: afb7ef3277c891b04f3dece07a245938375edfcec70db5ee42b08e23185ab57ac095901d9e1a37421265dad1c2c46c3c5ea668c9ef546bd05fde1bd98b883356
ssdeep: 6144:GnQU+LqGvHr0nNK11G9DMEeZa8POyKmLUyaViFwRuO:pFrkNK11G9AEtMxQyOi65
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Agent.EZUU also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.malware.sig1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Agent.EZUU
FireEye Generic.mg.20d336942a57ca33
McAfee W32/PinkSbot-HE!20D336942A57
Cylance Unsafe
Sangfor Malware
K7AntiVirus Riskware ( 0049f6ae1 )
BitDefender Trojan.Agent.EZUU
Symantec Trojan.Maltrec.TS
APEX Malicious
Ad-Aware Trojan.Agent.EZUU
Sophos ML/PE-A + Mal/EncPk-APW
F-Secure Heuristic.HEUR/AGEN.1134669
DrWeb BackDoor.Qbot.554
McAfee-GW-Edition BehavesLike.Win32.Generic.fh
Emsisoft MalCert.A (A)
Avira HEUR/AGEN.1134669
MAX malware (ai score=86)
Gridinsoft Ransom.Win32.Wacatac.oa!s1
Arcabit Trojan.Agent.EZUU
GData Trojan.Agent.EZUU
Cynet Malicious (score: 100)
ALYac Trojan.Agent.EZUU
VBA32 Malware-Cryptor.General.3
Malwarebytes Trojan.Cutwail
ESET-NOD32 Win32/Qbot.CU
eGambit Unsafe.AI_Score_65%
Fortinet W32/Qbot.CU!tr
Qihoo-360 HEUR/QVM39.1.B03B.Malware.Gen

How to remove Trojan.Agent.EZUU ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.Agent.EZUU 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.Agent.EZUU 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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