A very dangerous Trojan kits are continuing to wreak havoc on a massive, global scale, according to malware researchers. The family includes different variants of the Trojan.Vundo threat. Symantec researchers have reported that this virus has a wide variety of “features” which it may use to ensure almost complete control of the computers which it infects. The replication of this Trojan is low, but all that it takes is the good obfuscator and a spam campaign to get it going. It may cause a lot of damage to infected systems, and this is why users affected by it are strongly advised to remove it from their computers if they believe it is running on them. Read this article thoroughly to see the symptoms of Trojan.Vundo and learn how to delete it from your computer system.
Threat Summary
| Name | Trojan.Vundo |
| Type | Trojan Kit |
| Short Description | Trojan.Vundo gives the cyber-crook behind it complete access to the infected computer. |
| Symptoms | The user may witness pop-up messages and heavy advertising displayed by Trojan.Vundo if they are infected. |
| Distribution Method | Via an Exploit kit and spam e-mail. Malicious JavaScript Injection. |
| Detection Tool | See If Your System Has Been Affected by malware Download Malware Removal Tool |
| User Experience | Join our forum to Discuss Trojan.Vundo. |
Trojan.Vundo – How It Spreads
This malware may use your typical methods to spread. One of those methods is by sending obfuscated executables to its victims. These executables may be of different types and may resemble legitimate Microsoft Office documents, Adobe Reader documents, pictures or other legitimate files. They may be sent out via various spam bots and other spamming software as e-mail attachments. However, there are also other possibilities by which these malicious files may be spread:
- Via social media spam from fake or copycat Facebook accounts.
- Via another type of spam in chat services like Skype, etc.
- Through different ad-supported programs that may cause a browser redirect to a malicious URL which might cause a drive-by-download type of infection.
Trojan.Vundo is a very dangerous threat, and how dangerous it can be to you depends on what specifically you have on your computer and what are you using it for. This is why we strongly advise checking for this and other malware by scanning your computer with an advanced anti-malware program immediately since this program may run concealed.
Trojan.Vundo – More Information
In addition to the information above, the Trojan.Vundo malware family is also very widespread. Symantec researchers report that it causes approximately 1500 to 2000 infections per day on a global scale. Here is the distribution of the Vundo Trojans on the world map:
Source: Symantec.com
The main goal of the Vundo Trojan once it infects your system is to begin and display ads on your computer. The advertisements may be of any character, from adult advertisements, to completely legitimate and harmless ones. Some of the advertisements may even contain other malware, like ransomware, for example. Some of the ads may ever redirect to online scams, such as Tech Support scams and others.
Symantec researchers have also reported that this Trojan.Vundo may also inject malicious JavaScript into legitimate search engines used on the infected computers. It may affect the following search engines:
- AltaVista
- AOL Search
- Ask
- Bing
- FastSearch
- Hotbot
- Live
- Lycos
- Yahoo
In addition to those damages and the fact that Trojan.Vundo may monitor all of the activity on the web browser including what passwords you type and what other information you input, like financial data, etc. Trojans from this family may also perform the following unauthorized activities:
- Disable Task Manager.
- Disable Windows Registry Editor.
- Disable Microsoft System Configuration.
- Stop Safe Mode into running and stop its settings.
- Disable any protection, like Windows Defender.
- Block updates.
Trojan.Vundo Malware – Complete Removal Instructions
Since deleting Trojans from the Trojan.Vundo family may turn out to be difficult, we urge you to attempt removing it by using an advanced anti-malware program. However, bear in mind that the Trojan may be remotely controlled and programmed to disable any security software from running. This is why it is advisable that you to follow the instructions from this article to remove your hard drive that has been infected by this malware and insert in on a safe system on which you can use the instructions below and scan the drive after which automatically remove the Trojan.Vundo installed on it. We also strongly advise having an advanced anti-malware installed on the computer to scan the drive. To have best results, it is also advisable to follow the programmed instructions below.
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.
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- Guide 1: How to Remove Trojan.Vundo from Windows.
- Guide 2: Get rid of Trojan.Vundo from Mac OS X.
- Guide 3: Remove Trojan.Vundo from Google Chrome.
- Guide 4: Erase Trojan.Vundo from Mozilla Firefox.
- Guide 5: Uninstall Trojan.Vundo from Microsoft Edge.
- Guide 6: Remove Trojan.Vundo from Safari.
- Guide 7: Eliminate Trojan.Vundo from Internet Explorer.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
How to Remove Trojan.Vundo from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Trojan.Vundo
Step 2: Uninstall Trojan.Vundo 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 Trojan.Vundo 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 Trojan.Vundo 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 Trojan.Vundo from Mac OS X.
Step 1: Uninstall Trojan.Vundo 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 Trojan.Vundo 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 Trojan.Vundo 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 Trojan.Vundo 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 Trojan.Vundo 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 Trojan.Vundo 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 Trojan.Vundo will be removed.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Eliminate Trojan.Vundo 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.
