Trojan:Win32/AgentTesla.PC!MTB

What is Trojan:Win32/AgentTesla.PC!MTB infection?

In this article you will locate about the definition of Trojan:Win32/AgentTesla.PC!MTB and its adverse effect on your computer system. Such ransomware are a type of malware that is clarified by online fraudulences to demand paying the ransom money by a sufferer.

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Most of the cases, Trojan:Win32/AgentTesla.PC!MTB infection will instruct its targets to initiate funds transfer for the function of neutralizing the amendments that the Trojan infection has presented to the sufferer’s device.

Trojan:Win32/AgentTesla.PC!MTB Summary

These modifications 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.
  • 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.
  • 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;
  • 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
  • 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.
  • 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 documents situated on the target’s hard disk — so the victim can no longer utilize the data;
  • Preventing routine access to the sufferer’s workstation;

Trojan:Win32/AgentTesla.PC!MTB

One of the most typical channels through which Trojan:Win32/AgentTesla.PC!MTB Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of individual ending up on a resource that hosts a destructive software application;

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the target’s PC or protect against the tool from working in a proper fashion – while likewise placing a ransom note that mentions the demand for the victims to impact the repayment for the objective of decrypting the documents or restoring the data system back to the initial condition. In many circumstances, the ransom money note will certainly show up when the client reboots the PC after the system has actually already been harmed.

Trojan:Win32/AgentTesla.PC!MTB circulation channels.

In numerous corners of the world, Trojan:Win32/AgentTesla.PC!MTB grows by leaps and bounds. Nonetheless, the ransom notes and also methods of extorting the ransom money amount may vary depending upon specific neighborhood (regional) settings. The ransom money notes and also tricks of extorting the ransom amount might differ depending on particular local (regional) setups.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software program.

    In certain locations, the Trojans typically wrongfully report having detected some unlicensed applications made it possible for on the target’s device. The sharp then requires the individual to pay the ransom money.

    Faulty statements about prohibited material.

    In countries where software program piracy is less prominent, this method is not as efficient for the cyber fraudulences. Additionally, the Trojan:Win32/AgentTesla.PC!MTB popup alert might incorrectly declare to be originating from a law enforcement establishment and also will report having located youngster pornography or various other prohibited data on the tool.

    Trojan:Win32/AgentTesla.PC!MTB popup alert might falsely declare to be acquiring from a regulation enforcement establishment and will certainly report having situated youngster pornography or other prohibited information on the gadget. The alert will in a similar way consist of a need for the individual to pay the ransom.

Technical details

File Info:

crc32: E8089F12
md5: a6775d5f285e22e5b9dc1bfbf47317a4
name: nobus.exe
sha1: 357ad07f7522656d2c7066e59a719ac033f4ba0a
sha256: 983f1f3faf8f3736f5bb25a6185651ab7faa978210e22481b0ffc46443125e70
sha512: 4aad3d130402e03315708745fae2c45a7e40426592ac88b820594085465bd7ff0f0dda0e1a7ca947453e75af7f92d55deb2cb18d3e4ceeb7a4bf5143ed66e78b
ssdeep: 24576:FCdxte/80jYLT3U1jfsWaK3rpyG5obxEVEFxxOWHwvU896gtNkmQG:Mw80cTsjkWaDWWH7Q7gG
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright:
FileVersion: 5.16.0
CompanyName: Digiarty Software, Inc.
Comments: This installation was built with Inno Setup.
ProductName: WinX HD Video Converter Deluxe
ProductVersion: 5.16.0
FileDescription: WinX HD Video Converter Deluxe Setup
Translation: 0x0000 0x04b0

Trojan:Win32/AgentTesla.PC!MTB also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.AutoIt.818
MicroWorld-eScan Trojan.GenericKD.42956726
Qihoo-360 Generic/Trojan.Script.798
McAfee Artemis!A6775D5F285E
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
BitDefender Trojan.GenericKD.42956726
K7GW Trojan ( 005641b71 )
TrendMicro TROJ_GEN.R002C0DDA20
F-Prot W32/AutoIt.OY.gen!Eldorado
Symantec ML.Attribute.HighConfidence
TrendMicro-HouseCall TROJ_GEN.R002C0DDA20
Avast Script:SNH-gen [Trj]
GData Win32.Packed.Kryptik.BGYPZE
Kaspersky Trojan-Ransom.Win32.Cryptor.dhe
Alibaba Ransom:Win32/Cryptor.a75fd0a2
AegisLab Trojan.Win32.Generic.4!e
Rising Trojan.Obfus/Autoit!1.C12C (CLASSIC)
Ad-Aware Trojan.GenericKD.42956726
Emsisoft Trojan.GenericKD.42956726 (B)
F-Secure Trojan.TR/Autoit.tcmgd
McAfee-GW-Edition Trojan-AitInject.aq
Trapmine malicious.high.ml.score
Sophos Mal/Generic-S
Ikarus Trojan.Autoit
Cyren W32/AutoIt.OY.gen!Eldorado
Webroot W32.Trojan.Gen
Avira TR/Autoit.tcmgd
MAX malware (ai score=100)
Antiy-AVL GrayWare/Autoit.BinToStr.a
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D28F77B6
ZoneAlarm Trojan-Ransom.Win32.Cryptor.dhe
Microsoft Trojan:Win32/AgentTesla.PC!MTB
ALYac Trojan.GenericKD.42956726
Malwarebytes Trojan.Agent.AutoIt
APEX Malicious
ESET-NOD32 a variant of Win32/Injector.Autoit.FEZ
Tencent Win32.Trojan.Cryptor.Lmkl
eGambit PE.Heur.InvalidSig
Fortinet AutoIt/Injector.FFA!tr
AVG Script:SNH-gen [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_90% (W)

How to remove Trojan:Win32/AgentTesla.PC!MTB 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

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:Win32/AgentTesla.PC!MTB 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:Win32/AgentTesla.PC!MTB 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/products/

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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