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

What is TrojanSpy.Zbot infection?

In this short article you will locate regarding the meaning of TrojanSpy.Zbot and also its adverse influence on your computer system. Such ransomware are a form of malware that is clarified by online frauds to require paying the ransom money by a sufferer.

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Most of the instances, TrojanSpy.Zbot infection will certainly advise its targets to start funds transfer for the function of counteracting the amendments that the Trojan infection has actually introduced to the target’s tool.

TrojanSpy.Zbot Summary

These adjustments 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);
  • Attempts to connect to a dead IP:Port (1 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • 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!
  • Ciphering the papers located on the target’s hard disk drive — so the victim can no more make use of the information;
  • Preventing routine access to the victim’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 Trojan-Ransom.GandCrab


One of the most common channels whereby TrojanSpy.Zbot Trojans are infused are:

  • By methods of phishing emails;
  • As an effect of customer ending up on a source that hosts a malicious software application;

As quickly as the Trojan is effectively infused, it will either cipher the data on the target’s computer or protect against the device from working in a correct manner – while also positioning a ransom note that discusses the demand for the sufferers to effect the repayment for the objective of decrypting the records or recovering the data system back to the first condition. In the majority of instances, the ransom money note will turn up when the client restarts the PC after the system has actually already been harmed.

TrojanSpy.Zbot distribution networks.

In different edges of the globe, TrojanSpy.Zbot grows by jumps and also bounds. Nevertheless, the ransom money notes as well as methods of extorting the ransom money amount might vary relying on particular regional (regional) setups. The ransom money notes and techniques of obtaining the ransom quantity may differ depending on specific regional (local) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software program.

    In specific areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s tool. The alert after that requires the individual to pay the ransom money.

    Faulty declarations regarding illegal material.

    In nations where software piracy is less preferred, this technique is not as efficient for the cyber fraudulences. Alternatively, the TrojanSpy.Zbot popup alert might incorrectly declare to be deriving from a police establishment and will certainly report having situated youngster porn or other prohibited information on the device.

    TrojanSpy.Zbot popup alert may wrongly claim to be acquiring from a legislation enforcement organization as well as will certainly report having located child pornography or other illegal data on the gadget. The alert will similarly have a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: EB012235
md5: f09729510580634089fb1b28b54be45d
name: setup.exe
sha1: 07ec870852a6ef4e75ccc2cb344ab200fc765bc7
sha256: 5415295cb5f87fe85dab59d929c1e51cc2a82bbd1bad86716cb69e36694865c5
sha512: 6b9a98cd1f3a13480c93ef894c4874da5fb33174ce1c4e979ca7e3f2ce200320ef2ff0ca8ba80e7d9978ee45f4505e901804cc37203af31d38391fb2eebc3d98
ssdeep: 24576:+CxHa87QhMRkN3TMCtZRsI4HcKI1IiO1ol0+bXgLZo:+C08vkdoUZnCmIi76+bXQ2
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright (c) 2006-2014 xa9 pdfforge GmbH.
CompanyName: xa9 pdfforge GmbH.
Comments: 128 Instrument Multiplexing Snow
ProductName: Pascal Address
FileDescription: 128 Instrument Multiplexing Snow
OriginalFilename: Pascal Address
Translation: 0x0409 0x04b0

TrojanSpy.Zbot also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.GenericKD.33008688
FireEye Trojan.GenericKD.33008688
CAT-QuickHeal TrojanSpy.Zbot
Qihoo-360 Win32/Trojan.Spy.61b
McAfee Artemis!F09729510580
VIPRE Trojan.Win32.Generic!BT
K7AntiVirus Trojan ( 0055fa771 )
BitDefender Trojan.GenericKD.33008688
K7GW Trojan ( 0055fa771 )
TrendMicro TROJ_GEN.R02CC0GB220
Avast Win32:Trojan-gen
GData Trojan.GenericKD.33008688
Kaspersky Trojan-Spy.Win32.Zbot.zxjg
Alibaba TrojanSpy:Win32/ncntg.58d25fd1
AegisLab Trojan.Win32.Zbot.l!c
Tencent Win32.Trojan-spy.Zbot.Ebqd
Ad-Aware Trojan.GenericKD.33008688
Emsisoft Trojan.GenericKD.33008688 (B)
F-Secure Trojan.TR/Agent.ncntg
Invincea heuristic
McAfee-GW-Edition Artemis
Sophos Mal/Generic-S
Ikarus Trojan-Ransom.GandCrab
Cyren W32/Trojan.SDSV-1756
Jiangmin TrojanSpy.Zbot.fqnn
Avira TR/Agent.ncntg
MAX malware (ai score=86)
Endgame malicious (moderate confidence)
Arcabit Trojan.Generic.D1F7AC30
ZoneAlarm Trojan-Spy.Win32.Zbot.zxjg
Microsoft Trojan:Win32/Occamy.C
ALYac Trojan.GenericKD.33008688
VBA32 BScope.Trojan.Reconyc
Panda Trj/CI.A
ESET-NOD32 Win32/Agent.ABLV
TrendMicro-HouseCall TROJ_GEN.R02CC0GB220
Rising Spyware.Zbot!8.16B (CLOUD)
Fortinet W32/Zbot.ABLV!tr
AVG Win32:Trojan-gen

How to remove TrojanSpy.Zbot 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 TrojanSpy.Zbot 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 TrojanSpy.Zbot you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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