Zombieboy Trojan Worm - How to Remove It from Your PC

by Ventsislav Krastev | July 24, 2018 | 0 Comments botnet, trojan, worm

Threat Summary Trojan.Zombieboy – How Does it Spread Zombieboy Worm Trojan – Technical Analysis Remove Zombieboy Worm Trojan from Windows

This article has been created in order to explain what is the Zombieboy Trojan and how to remove this worm Trojan from your computer completely.

A new Trojan, going by the detection Trojan.Zombieboy has been discovered by security researchers. The Trojan has been reported to take advantage of critical Windows activities, which may be risky if not updated. The Trojan.Zombieboy is also the type of malware, that aims to propagate onto other computers besides the main PC it has infected automatically since the virus is also a worm. If your computer has been infected by the Zombieboy Trojan, we recommend that you read this article so that it will help you remove this Trojan from your PC.

Threat Summary

Name	Zombieboy Trojan
Type	Trojan, Worm, Botnet
Short Description	Infects your computer silently, possibly steals the sensitive data in it and spreads to all the computers in your LAN.
Symptoms	No symptoms besides the files, created by the virus (See “Technical Analysis” underneath).
Distribution Method	Spam Emails, Email Attachments, Other infected devices with this virus.
Detection Tool	See If Your System Has Been Affected by malware Download Malware Removal Tool
User Experience	Join Our Forum to Discuss Zombieboy Trojan.

Trojan.Zombieboy – How Does it Spread

The main strategy used by this malware to spread is by inserting malicious files from computer to computer on local networks. There are two main vulnerabilities used by this Worm and according to Symantec they are reported to be:

→ Microsoft Windows SMB Server Remote Code Execution Vulnerability (CVE-2017-0143)
Microsoft Windows SMB Server Remote Code Execution Vulnerability (CVE-2017-0146)

The Trojan may use those vulnerabilities together with it’s infection file, which may come under different forms of seemingly legitimate files online:

As an e-mail attachment that appears like a document of some sort.
As a fake setup of program.
Fake game patch.
Crack.
Key generator.
Fake system license activator.
Fraudulent license activators.

Zombieboy Worm Trojan – Technical Analysis

According to Symantec researchers, the malware has been reported to create the following files and folders (if not created) on the victim’s computer:

→ %ProgramFiles%\StormII
%Windir%\sys.exe
%System%\boy.exe
%Windir%\IIS\cpuinfo.exe
%ProgramFiles%\svchost.exe
%ProgramFiles%\AppPatch\mysqld.dll
%ProgramFiles%\StormII\mssta.exe

Then, the Trojan may set various different registry entries in the Run, RunOnce and System registry sub-keys on the infected machine. The virus’s main goal is to create those entries in order to run automatically on system start. The malware then may begin to perform a wide variety of techniques and methods with the clear purpose to victimize the devices on the network of the infected computer and make those devices part of a zombie network, also known as botnet. This network is under the control of the cyber-criminals who are behind the Zombieboy Trojan. The main goal of Zombieboy as a Trojan is to perform the following activities on the computers infected by it, if the crooks controlling the virus activate them:

Take screenshots on your computer.
Log the keystrokes you type.
Obtain information about your online activities.
Gather system and network information.
Gather data about your personal accounts.
Steal your passwords.
Steal files from your computer.
Activate your web camera.
Spread to other computers via flash drive or via your LAN.

Remove Zombieboy Worm Trojan from Windows

The Zombieboy Worm Trojan can be removed from Windows either manually or automatically. We have suggested solutions for both methods in the removal instructions for Zombieboy underneath this article. They have been created to help you delete this Trojan by firstly isolating it and then removing all of the malicious files and objects related to it. Since manual removal of Zombieboy Trojan is not entirely a guarantee for a removal, because the virus may leave behind leftover files that might reinfect your PC, experts often advise to remove such advanced threats with a specific anti-malware software. Such type of program will scan your computer for all Zombieboy-related files and objects and make sure that they are gone. The software will also stay on your PC and safeguard it, using real-time shielding technologies.

Ventsislav Krastev

Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.

How to Remove Zombieboy Trojan from Windows.

Step 1: Boot Your PC In Safe Mode to isolate and remove Zombieboy Trojan

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!

We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows key() + R

2. The "Run" Window will appear. In it, type "msconfig" and click OK.

3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".

Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.

4. When prompted, click on "Restart" to go into Safe Mode.

5. You can recognise Safe Mode by the words written on the corners of your screen.

Step 2: Uninstall Zombieboy Trojan and related software from Windows

Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:

1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.

2. In the field type in "appwiz.cpl" and press ENTER.

3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"

Follow the instructions above and you will successfully uninstall most programs.

Step 3: Clean any registries, created by Zombieboy Trojan on your computer.

The usually targeted registries of Windows machines are the following:

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

You can access them by opening the Windows registry editor and deleting any values, created by Zombieboy Trojan there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.

2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.

3. You can remove the value of the virus by right-clicking on it and removing it.

Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.

IMPORTANT!
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Scan for Zombieboy Trojan with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.

Download

Malware Removal Tool

It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.

2. After you have installed SpyHunter, wait for it to update automatically.

3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

If any threats have been removed, it is highly recommended to restart your PC.

Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups

Get rid of Zombieboy Trojan from Mac OS X.

Step 1: Uninstall Zombieboy Trojan and remove related files and objects

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!

We Recommend To Scan Your Mac with SpyHunter for Mac

Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy

1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:

2. Find Activity Monitor and double-click it:

3. In the Activity Monitor look for any suspicious processes, belonging or related to Zombieboy Trojan:

Tip: To quit a process completely, choose the “Force Quit” option.

4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.

5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to Zombieboy Trojan. If you find it, right-click on the app and select “Move to Trash”.

6: Select Accounts, after which click on the Login Items preference. Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to Zombieboy Trojan. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.

7: Remove any left-over files that might be related to this threat manually by following the sub-steps below:

Go to Finder.
In the search bar type the name of the app that you want to remove.
Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.

In case you cannot remove Zombieboy Trojan via Step 1 above:

In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

1: Click on "Go" and Then "Go to Folder" as shown underneath:

2: Type in "/Library/LauchAgents/" and click Ok:

3: Delete all of the virus files that have similar or the same name as Zombieboy Trojan. If you believe there is no such file, do not delete anything.

You can repeat the same procedure with the following other Library directories:

→ ~/Library/LaunchAgents
/Library/LaunchDaemons

Tip: ~ is there on purpose, because it leads to more LaunchAgents.

Step 2: Scan for and remove Zombieboy Trojan files from your Mac

When you are facing problems on your Mac as a result of unwanted scripts and programs such as Zombieboy Trojan, the recommended way of eliminating the threat is by using an anti-malware program. SpyHunter for Mac offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.

Click the button below below to download SpyHunter for Mac and scan for Zombieboy Trojan:

Download

SpyHunter for Mac

Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups

Remove Zombieboy Trojan from Google Chrome.

Step 1: Start Google Chrome and open the drop menu

Step 2: Move the cursor over "Tools" and then from the extended menu choose "Extensions"

Step 3: From the opened "Extensions" menu locate the unwanted extension and click on its "Remove" button.

Step 4: After the extension is removed, restart Google Chrome by closing it from the red "X" button at the top right corner and start it again.

Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups

Erase Zombieboy Trojan from Mozilla Firefox.

Step 1: Start Mozilla Firefox. Open the menu window

Step 2: Select the "Add-ons" icon from the menu.

Step 3: Select the unwanted extension and click "Remove"

Step 4: After the extension is removed, restart Mozilla Firefox by closing it from the red "X" button at the top right corner and start it again.

Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups

Uninstall Zombieboy Trojan from Microsoft Edge.

Step 1: Start Edge browser.

Step 2: Open the drop menu by clicking on the icon at the top right corner.

Step 3: From the drop menu select "Extensions".

Step 4: Choose the suspected malicious extension you want to remove and then click on the gear icon.

Step 5: Remove the malicious extension by scrolling down and then clicking on Uninstall.

Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups

Remove Zombieboy Trojan from Safari.

Step 1: Start the Safari app.

Step 2: After hovering your mouse cursor to the top of the screen, click on the Safari text to open its drop down menu.

Step 3: From the menu, click on "Preferences".

Step 4: After that, select the 'Extensions' Tab.

Step 5: Click once on the extension you want to remove.

Step 6: Click 'Uninstall'.

A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the Zombieboy Trojan will be removed.

How to Reset Safari
IMPORTANT: Before resetting Safari make sure you back up all your saved passwords within the browser in case you forget them.

Start Safari and then click on the gear leaver icon.

Click the Reset Safari button and you will reset the browser.

Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer Stop Push Pop-ups

Eliminate Zombieboy Trojan from Internet Explorer.

Step 1: Start Internet Explorer.

Step 2: Click on the gear icon labeled 'Tools' to open the drop menu and select 'Manage Add-ons'

Step 3: In the 'Manage Add-ons' window.

Step 4: Select the extension you want to remove and then click 'Disable'. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click 'Disable'.

Step 5: After the unwanted extension has been removed, restart Internet Explorer by closing it from the red 'X' button located at the top right corner and start it again.