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

What is Trojan:Win32/Zloader!MTB infection?

In this post you will certainly locate concerning the interpretation of Trojan:Win32/Zloader!MTB as well as its adverse influence on your computer. Such ransomware are a type of malware that is clarified by on-line scams to demand paying the ransom money by a victim.

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In the majority of the instances, Trojan:Win32/Zloader!MTB ransomware will certainly instruct its targets to start funds transfer for the function of neutralizing the amendments that the Trojan infection has actually presented to the target’s device.

Trojan:Win32/Zloader!MTB 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.
  • 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.
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the target’s hard disk — so the sufferer can no more utilize the information;
  • Preventing normal accessibility 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.


One of the most normal networks through which Trojan:Win32/Zloader!MTB Ransomware are infused are:

  • By means of phishing emails;
  • As an effect of customer winding up on a source that hosts a malicious software;

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the target’s computer or protect against the device from working in an appropriate way – while additionally putting a ransom money note that mentions the need for the victims to effect the repayment for the objective of decrypting the records or bring back the file system back to the preliminary condition. In a lot of circumstances, the ransom money note will certainly turn up when the client restarts the COMPUTER after the system has actually already been harmed.

Trojan:Win32/Zloader!MTB circulation networks.

In numerous corners of the world, Trojan:Win32/Zloader!MTB expands by leaps as well as bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom money amount might differ depending on certain regional (regional) settings. The ransom money notes as well as techniques of extorting the ransom money amount may vary depending on certain local (local) settings.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software application.

    In particular areas, the Trojans frequently wrongfully report having identified some unlicensed applications made it possible for on the sufferer’s gadget. The alert after that requires the individual to pay the ransom money.

    Faulty declarations concerning prohibited material.

    In nations where software program piracy is less popular, this approach is not as effective for the cyber scams. Alternatively, the Trojan:Win32/Zloader!MTB popup alert might falsely claim to be originating from a police institution and will report having situated youngster pornography or other prohibited data on the device.

    Trojan:Win32/Zloader!MTB popup alert might falsely declare to be deriving from a legislation enforcement establishment and also will certainly report having located youngster porn or other illegal data on the device. The alert will similarly consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 16656C52
md5: f178d40f423a55e4e28be139f4963b63
name: tmp3bjfnwml
sha1: aa4f7ad116e48a69c5c8b9041393e001d1e262dc
sha256: 69e22ac67b643c4dff9b7221545369ed99a1ee1035127c37026f5dff87ccf53e
sha512: 0277ff7ac77e848ddc97d829178adc552d117b2cef059a4aae1345bf9cfef42dc17080b91f5b459391f235cfe8f3e1f5d94d63181f23493cd0c0a074d90ffe6e
ssdeep: 12288:T2s6153O0KPnJHFlswhjmoUYtIdySZYBk:TZ8VV8jmotI2S
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Wall WouldFour Corporation. All rights reserved.
InternalName: Went prepare
CompanyName: Wall WouldFour Corporation
ProductName: Wall WouldFourxae SmileDangerxae original circle
FileDescription: Wall WouldFour SmileDanger
OriginalFilename: Went prepare.DLL
Translation: 0x0409 0x04b0

Trojan:Win32/Zloader!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav HW32.Packed.
MicroWorld-eScan Trojan.Agent.ESIS
FireEye Trojan.Agent.ESIS
McAfee GenericRXKZ-EF!F178D40F423A
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
BitDefender Trojan.Agent.ESIS
K7GW Trojan ( 005689621 )
K7AntiVirus Trojan ( 005689621 )
F-Prot W32/S-4a935f03!Eldorado
Symantec Ransom.Wannacry
Avast Win32:CrypterX-gen [Trj]
GData Trojan.Agent.ESIS
Kaspersky Trojan-Banker.Win32.Cridex.ofw
Tencent Malware.Win32.Gencirc.10cdd447
Emsisoft Trojan.Agent.ESIS (B)
Comodo TrojWare.Win32.ZLoader.AF@8swdvo
DrWeb Trojan.DownLoader33.50034
Zillya Trojan.Cridex.Win32.781
McAfee-GW-Edition GenericRXKZ-EF!F178D40F423A
MaxSecure Trojan.Malware.102109220.susgen
Sophos Troj/Agent-BEWT
Ikarus Trojan.ZLoader
Cyren W32/S-4a935f03!Eldorado
Jiangmin Trojan.Banker.Cridex.aaj
MAX malware (ai score=88)
Antiy-AVL Trojan[Banker]/Win32.Cridex
Microsoft Trojan:Win32/Zloader!MTB
Arcabit Trojan.Agent.ESIS
ZoneAlarm Trojan-Banker.Win32.Cridex.ofw
AhnLab-V3 Trojan/Win32.Kryptik.R339944
VBA32 TrojanBanker.Cridex
ALYac Trojan.Agent.ESIS
TACHYON Banker/W32.Cridex.484864
Ad-Aware Trojan.Agent.ESIS
Malwarebytes Trojan.Crypt
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kryptik.HDZG
Rising Trojan.Win32.Generic.1A452259 (C64:YzY0OswyPLLtqe+a)
Yandex Trojan.Kryptik!8a7OKCfKfT0
Fortinet W32/Kryptik.ESIS!tr
BitDefenderTheta Gen:NN.ZedlaF.34128.Dy8@ayCr2pgi
AVG Win32:CrypterX-gen [Trj]

How to remove Trojan:Win32/Zloader!MTB 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:Win32/Zloader!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/Zloader!MTB you can always ask me in the comments for getting help.

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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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