Trojan:JS/Tabnab.A Trojan Virus (Tabnab Removal)

Written by Wilbur Woodham

The Trojan:JS/Tabnab.A alert, is a sign that your system has a problem. Allowing it to run may end up with really bad consequences.

Tabnab is a malicious application that aims at exposing your PC to further threats. Most of of the modern malware variants are complex, and can inject other viruses. Getting the Trojan:JS/Tabnab.A malware often equals to getting a malicious thing which is able act like spyware or stealer, downloader, and a backdoor. Seeing this detection means that you need to perform the malware removal as fast as you can.

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Trojan:JS/Tabnab.A Detection Overview

The Trojan:JS/Tabnab.A detection you can see in the lower right corner is demonstrated to you by Microsoft Defender. That anti-malware software is quite OK at scanning, however, prone to be mainly unstable. It is unprotected to malware attacks, it has a glitchy user interface and problematic malware clearing capabilities. Thus, the pop-up which says about the Tabnab is just an alert that Defender has identified it. To remove it, you will likely need to use a separate anti-malware program.

Trojan:JS/Tabnab.A found

Microsoft Defender: “Trojan:JS/Tabnab.A”

The exact Trojan:JS/Tabnab.A infection is a very undesirable thing. It digs into your computer under the guise of something benevolent, or as a part of the program you downloaded at a forum. After that, it makes all possible steps to make your system weaker. At the end of this “party”, it downloads other viruses – ones which are wanted by cyber burglars who control this virus. Hence, it is impossible to predict the effects from Tabnab actions. And the unpredictability is one of the most upleasant things when we are talking about malware. That’s why it is better not to choose at all, and don’t give it even a single chance to complete its task.

Threat Summary:

Name Tabnab Trojan
Detection Trojan:JS/Tabnab.A
Details Tabnab tool that looks legitimate but can take control of your computer.
Fix Tool See If Your System Has Been Affected by Tabnab Trojan

Is Trojan:JS/Tabnab.A dangerous?

As I have actually pointed out previously, non-harmful malware does not exist. And Trojan:JS/Tabnab.A is not an exception. This malware modifies the system settings, alters the Group Policies and Windows registry. All of these elements are crucial for proper system operating, even when we are not talking about PC safety. Therefore, the malware which Tabnab contains, or which it will download later, will try to get maximum revenue from you. Cyber burglars can grab your data, and then push it at the black market. Using adware and browser hijacker functionality, embedded in Trojan:JS/Tabnab.A malware, they can make profit by showing you the advertisements. Each view gives them a penny, but 100 views per day = $1. 1000 victims who watch 100 banners per day – $1000. Easy math, but sad conclusions. It is a bad choice to be a donkey for crooks.

How did I get this virus?

It is hard to trace the origins of malware on your PC. Nowadays, things are mixed up, and distribution ways chosen by adware 5 years ago may be utilized by spyware nowadays. But if we abstract from the exact distribution way and will think about why it works, the explanation will be pretty simple – low level of cybersecurity understanding. Individuals click on ads on weird sites, open the pop-ups they receive in their browsers, call the “Microsoft tech support” believing that the odd banner that states about malware is true. It is essential to understand what is legitimate – to avoid misunderstandings when trying to identify a virus.

Microsoft tech support scam

The example of Microsoft Tech support scam banner

Nowadays, there are two of the most widespread methods of malware distribution – lure e-mails and injection into a hacked program. While the first one is not so easy to avoid – you must know a lot to recognize a counterfeit – the second one is easy to address: just do not utilize hacked programs. Torrent-trackers and other providers of “free” applications (which are, in fact, paid, but with a disabled license checking) are really a giveaway point of malware. And Trojan:JS/Tabnab.A is just within them.

Remove Tabnab with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common Trojans as shown from our tests with the software, and we assure you that it can remove Tabnab as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website gridinsoft.com.

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.

setup-gridinsoft-fix.exe

3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for Tabnab Trojans

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The Tabnab was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The Tabnab has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “Tabnab” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website (gridinsoft.com) and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching Tabnab Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching Tabnab Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing Tabnab and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

What is Trojan:JS/Tabnab.A Virus?

Name: Trojan:JS/Tabnab.A

Description: If you have seen a message showing the “Trojan:JS/Tabnab.A found”, it seems that your system is in trouble. The Tabnab virus was detected, but to remove it, you need to use a security tool. Windows Defender, which has shown you this message, has detected the malware. However, Defender is not a reliable thing - it is prone to malfunction when it comes to malware removal. Getting the Trojan:JS/Tabnab.A malware on your PC is an unpleasant thing, and removing it as soon as possible must be your primary task.

Operating System: Windows

Application Category: Trojan

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About the author

Wilbur Woodham

I was a technical writer from early in my career, and consider IT Security one of my foundational skills. I’m sharing my experience here, and I hope you find it useful.

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