Trojan.Agent.ETDE (B)

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

What is Trojan.Agent.ETDE (B) infection?

In this post you will certainly discover concerning the meaning of Trojan.Agent.ETDE (B) and its unfavorable influence on your computer. Such ransomware are a type of malware that is elaborated by on the internet frauds to require paying the ransom money by a sufferer.

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Most of the cases, Trojan.Agent.ETDE (B) ransomware will certainly advise its sufferers to start funds move for the purpose of counteracting the changes that the Trojan infection has presented to the target’s gadget.

Trojan.Agent.ETDE (B) 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Attempts to connect to a dead IP:Port (4 unique times);
  • 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.
  • Mimics the system’s user agent string for its own requests;
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • A named pipe was used for inter-process communication;
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Performs some HTTP requests;
  • 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;
  • A system process is generating network traffic likely as a result of process injection;
  • 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
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the victim’s disk drive — so the sufferer can no more utilize the information;
  • Preventing regular 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.
Similar behavior
Related domains
z.whorecord.xyzBScope.TrojanRansom.Shade
a.tomx.xyzBScope.TrojanRansom.Shade
www.ip-adress.comBScope.TrojanRansom.Shade
ocsp.verisign.comBScope.TrojanRansom.Shade
sf.symcd.comBScope.TrojanRansom.Shade
s2.symcb.comBScope.TrojanRansom.Shade
sv.symcd.comBScope.TrojanRansom.Shade

Trojan.Agent.ETDE (B)

One of the most regular networks whereby Trojan.Agent.ETDE (B) are infused are:

  • By means of phishing emails;
  • As a consequence of individual winding up on a source that holds a harmful software application;

As soon as the Trojan is efficiently infused, it will either cipher the information on the sufferer’s PC or avoid the tool from working in a proper fashion – while additionally putting a ransom note that mentions the demand for the targets to impact the payment for the function of decrypting the records or restoring the data system back to the initial problem. In the majority of circumstances, the ransom note will certainly show up when the customer reboots the PC after the system has already been harmed.

Trojan.Agent.ETDE (B) circulation channels.

In numerous corners of the world, Trojan.Agent.ETDE (B) grows by jumps and also bounds. Nevertheless, the ransom money notes and also techniques of obtaining the ransom money quantity might vary depending upon particular local (regional) setups. The ransom notes as well as tricks of extorting the ransom quantity may differ depending on certain regional (local) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In certain areas, the Trojans often wrongfully report having actually detected some unlicensed applications enabled on the victim’s device. The sharp then demands the user to pay the ransom money.

    Faulty declarations concerning unlawful material.

    In countries where software program piracy is much less preferred, this technique is not as efficient for the cyber scams. Alternatively, the Trojan.Agent.ETDE (B) popup alert might falsely claim to be stemming from a police institution and will report having located kid porn or various other illegal information on the tool.

    Trojan.Agent.ETDE (B) popup alert may wrongly assert to be obtaining from a legislation enforcement institution and will certainly report having situated child porn or various other illegal information on the gadget. The alert will likewise include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 6DC72BC5
md5: 0480f8aeeda234647c576898383408f3
name: 5555555.png
sha1: 557ecb98b75b26cd3d976119fa364f0f41281345
sha256: c849079e27b7f80f560ff634433bda6125724c8a3e19a68f8a0a1ee7872ec0c1
sha512: 843abdedaf449c17762bf44be701d8776e02707a1948c159ee16b7c5f96380cd11b7f7246504fb7f70b440ac7b348897b8486c9df56237e3d1ed901ea79886e4
ssdeep: 12288:RjCll3pc7zt7G7A727Y5zaPJUaAPSFcz74SPp4DyvJj:RjCll3IOUjKBeyDwj
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2012
InternalName: javaw
FileVersion: 7.0.40.20
Full Version: 1.7.0_04-b20
CompanyName: Oracle Corporation
ProductName: Java(TM) Platform SE 7 U4
ProductVersion: 7.0.40.20
FileDescription: Java(TM) Platform SE binary
OriginalFilename: javaw.exe
Translation: 0x0000 0x04b0

Trojan.Agent.ETDE (B) also known as:

GridinSoftTrojan.Ransom.Gen
BkavHW32.Packed.
FireEyeGeneric.mg.0480f8aeeda23464
Qihoo-360HEUR/QVM19.1.35D9.Malware.Gen
MalwarebytesTrojan.MalPack.DGI
SangforMalware
BitDefenderTrojan.Agent.ETDE
Cybereasonmalicious.8b75b2
BitDefenderThetaGen:NN.ZexaF.34130.GK1@amuWjT
SymantecML.Attribute.HighConfidence
APEXMalicious
CynetMalicious (score: 100)
SophosMal/EncPk-APV
VIPRELooksLike.Win32.Dridex.c (v)
Invinceaheuristic
Trapminemalicious.high.ml.score
EmsisoftTrojan.Agent.ETDE (B)
Antiy-AVLGrayWare/Win32.Kryptik.ehls
Endgamemalicious (high confidence)
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicrosoftTrojan:Win32/Qbot.RB!MTB
Acronissuspicious
McAfeeW32/PinkSbot-GW!0480F8AEEDA2
VBA32BScope.TrojanRansom.Shade
ESET-NOD32a variant of Win32/Kryptik.HELU
RisingTrojan.Kryptik!1.C745 (RDMK:cmRtazqVDXhU639BzcL3w5Efp4bO)
SentinelOneDFI – Malicious PE
eGambitPE.Heur.InvalidSig
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Trojan.Agent.ETDE (B) 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

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.ETDE (B) 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.ETDE (B) 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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