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 |
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Malware Removal Tool
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| 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.
Follow Me:
- Guide 1: How to Remove Zombieboy Trojan from Windows.
- Guide 2: Get rid of Zombieboy Trojan from Mac OS X.
- Guide 3: Remove Zombieboy Trojan from Google Chrome.
- Guide 4: Erase Zombieboy Trojan from Mozilla Firefox.
- Guide 5: Uninstall Zombieboy Trojan from Microsoft Edge.
- Guide 6: Remove Zombieboy Trojan from Safari.
- Guide 7: Eliminate Zombieboy Trojan from Internet Explorer.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
How to Remove Zombieboy Trojan from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Zombieboy Trojan
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:
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:
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.
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.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Get rid of Zombieboy Trojan from Mac OS X.
Step 1: Uninstall Zombieboy Trojan and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- 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:
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 malware from your Mac
When you are facing problems on your Mac as a result of unwanted scripts, programs and malware, the recommended way of eliminating the threat is by using an anti-malware program. Combo Cleaner offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
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
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
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
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.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
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.
