Trojan:Win32/WebToos.A (WebToos Trojan) — Virus Removal Guide

Written by Wilbur Woodham
If you spectate the alert of Trojan:Win32/WebToos.A detection, it seems that your PC has a problem. All malicious programs are dangerous, with no exceptions. WebToos is a malware that aims at opening your PC to further threats. The majority of the modern malware variants are complex, and can inject other viruses. Getting the Trojan:Win32/WebToos.A virus often equals to getting a thing which can act like spyware or stealer, downloader, and a backdoor. Seeing this detection means that you must to perform the malware removal as fast as you can.

Any malware exists with the only target – generate profits on you1. And the programmers of these things are not thinking about morality – they use all available tactics. Taking your personal data, receiving the payments for the promotions you watch for them, utilizing your system components to mine cryptocurrencies – that is not the full list of what they do. Do you want to be a riding equine? That is a rhetorical question.

What does the notification with Trojan:Win32/WebToos.A detection mean?

The Trojan:Win32/WebToos.A detection you can see in the lower right side is shown to you by Microsoft Defender. That anti-malware program is good at scanning, however, prone to be mainly unreliable. It is prone to malware invasions, it has a glitchy interface and bugged malware clearing capabilities. Hence, the pop-up which states about the WebToos is simply a notification that Defender has spotted it. To remove it, you will likely need to make use of another anti-malware program.

Trojan:Win32/WebToos.A found

Microsoft Defender: “Trojan:Win32/WebToos.A”

The exact Trojan:Win32/WebToos.A infection is a very unpleasant thing. It sits into your system under the guise of something normal, or as a piece of the app you downloaded from a forum. Then, it makes all possible steps to weaken your system. At the end of this “party”, it downloads other viruses – ones which are choosen by cyber burglars who manage this virus. Hence, it is impossible to predict the effects from WebToos 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:

NameWebToos Trojan
DetailsWebToos tool that looks legitimate but can take control of your computer.
Fix ToolSee If Your System Has Been Affected by WebToos Trojan

Is Trojan:Win32/WebToos.A dangerous?

As I have specified previously, non-harmful malware does not exist. And Trojan:Win32/WebToos.A is not an exception. This virus alters the system setups, edits the Group Policies and registry. All of these elements are vital for proper system operating, even in case when we are not talking about Windows security. Therefore, the virus which WebToos carries, or which it will download after some time, will try to get maximum profit from you. Cyber burglars can steal your personal information, and then push it at the black market. Using adware and browser hijacker functions, embedded in Trojan:Win32/WebToos.A virus, they can make profit by showing you the ads. 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 difficult to trace the origins of malware on your PC. Nowadays, things are mixed, and distribution ways utilized by adware 5 years ago may be utilized by spyware these days. But if we abstract from the exact distribution way and will think of why it works, the explanation will be very uncomplicated – low level of cybersecurity awareness. Individuals press on ads on strange sites, click the pop-ups they get in their web browsers, call the “Microsoft tech support” thinking that the scary banner that states about malware is true. It is necessary to know what is legitimate – to avoid misunderstandings when trying to find out a virus.

Microsoft tech support scam

Microsoft tech support scam page

Nowadays, there are two of the most widespread methods of malware spreading – bait emails and also injection into a hacked program. While the first one is not so easy to avoid – you must know a lot to understand a counterfeit – the second one is very easy to get rid of: just do not use hacked applications. Torrent-trackers and other sources of “totally free” applications (which are, actually, paid, but with a disabled license checking) are really a giveaway place of malware. And Trojan:Win32/WebToos.A is simply one of them.

How to remove the Trojan:Win32/WebToos.A from my PC?

Trojan:Win32/WebToos.A malware is incredibly difficult to eliminate by hand. It places its data in several locations throughout the disk, and can restore itself from one of the parts. In addition, a range of changes in the registry, networking settings and also Group Policies are fairly hard to find and change to the original. It is far better to use a special program – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for virus elimination reasons.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated practically every hour. Moreover, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for clearing away malware of any form.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of WebToos the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
How to Remove Trojan:Win32/WebToos.A Malware

Name: Trojan:Win32/WebToos.A

Description: If you have seen a message showing the “Trojan:Win32/WebToos.A found”, it seems that your system is in trouble. The WebToos 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:Win32/WebToos.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

User Review
4.2 (15 votes)
Comments Rating 0 (0 reviews)


  1. Read about malware types on GridinSoft Threat encyclopedia.

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.

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.