Win.Trojan.Toa-5370166-0 Virus Removal

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This page aims to help you remove Win.Trojan.Toa-5370166-0 Virus. These Win.Trojan.Toa-5370166-0 Virus removal instructions work for every version of Windows.

Welcome to our article about Win.Trojan.Toa-5370166-0 – a newly released Trojan horse virus. Here, our readers can acquaint themselves with this type of viruses so that they know how to effectively protect their system from any future threats of this kind. We have also developed a detailed guide manual aimed at helping those of you who have already had their machine invaded by the noxious malware. However, you’d first need to read the article itself before heading to the removal guide. It is extremely important that you have a good grasp of how Trojan horse viruses work and what they are capable of. Therefore, make sure that you read everything that we have to offer.

Detecting a Trojan horse

First, we are going to start off with how you can spot Win.Trojan.Toa-5370166-0 in case that it has infected your PC. The truth is that detecting a Trojan can be a daunting task. This is because this particular sort of malware does not display any distinct symptoms. You might have had a Trojan infection on your PC for days, weeks or even months without even realizing it. In many cases, the user finds out about the infection way after the virus has completed its illegal task. Still, there are several potential symptoms that can be expected and here is a short list of the most common ones:

  • Unknown process in your Task Manager processes tab – It might often be difficult to determine whether a process is legit or coming from a virus. Still, it is possible that you can detect the virus by paying close attention to the processes, especially when looking at the Description column.
  • High CPU and RAM usage without an apparent reason – this is one of the most common symptom of a malware infection. If your PC experiences a slowdown due to high system resource consumption without any visible cause, this might be a sign of an attack from Win.Trojan.Toa-5370166-0. However, note that there might be many other reasons for high CPU and RAM usage that have nothing to do with virus invasion.
  • Blue screen crashes – BSOD (Blue Screen of Death) crashes are a common symptom of a malware infection. Similarly to the previous symptom, BSOD can be caused by all sorts of both software and hardware related issues, but it is also possible that it can occur due to a virus that has attacked your system

What can Win.Trojan.Toa-5370166-0 do?

The versatility of Trojans is what makes them one of hackers’ favorite tools. There is a variety of possible illegal tasks that a Trojan horse can be employed for.

  • System corruption – Many Trojans can and will corrupt your OS by deleting or altering important system files. This can lead to your whole PC becoming unusable and sometimes the damage caused cannot be repaired.
  • Spying – There are a lot of possible methods, via which a hacker can spy on you by using a Trojan horse virus. Keystroke logging allows the criminal to see everything you type on your keyboard and it is also possible that your very display gets monitored. On top of that, even your webcam can be used as a means of espionage.
  • Blackmailing/theft – Espionage is often combined with either one of these two. After Win.Trojan.Toa-5370166-0 has been used to spy on you, the hacker can later blackmail you if they have acquired any kind of sensitive data. Furthermore, if the cyber-criminal has gotten their hands on your bank account password, they can outright extract all your money and you’d never know it before it’s too late.
  • Spreading Ransomware – Ransomware has been on the rise for quite some time and it is now one of the worst online threats that you can be faced with. Currently, one of the most common uses of Trojans is Ransomware distribution. They can provide the Ransomware with free uninterrupted access to your system without you having any idea about it.
  • Botnet and mining – If Win.Trojan.Toa-5370166-0 gets on your machine, it is possible that your computer can be forced to execute various tasks, such as mining bitcoins or sending spam messages to other users. All of this would be happening without you being able to stop it, as long as the virus remains on your computer.

How to defend yourself against Trojans

Here are a few simple and easy-to-follow guidelines that will help you protect your machine from any future infections by this type of malicious malware. Consider investing in a professional and high-quality antivirus. Having one is a must, because this is your best chance at detecting the threat before it infects your PC. Mind your browsing habits. Many users tend to visit shady and sketchy sites on a regular basis, but it’s important to note that websites like that might be a distribution center for harmful software such as Win.Trojan.Toa-5370166-0. Delete spam. Junk mail letters and all sorts of spam messages are one of the most widely used techniques for spreading malicious programs. If you think that a message is spam or even if it seems suspicious, you’d better not interact with it and remove it if possible.



Name Win.Trojan.Toa-5370166-0
Type Trojan
Danger Level  High (Trojans are often used as a backdoor for Ransomware)
Symptoms Some situational symptoms include increased CPU and RAM usage, system instability and BSOD crashes.
Distribution Method  Junk mail messages with file attachments or hyperlinks, illegal websites and harmful downloadable content from sketchy web pages.
Detection Tool

Keep in mind, SpyHunter’s malware detection tool is free. To remove the infection, you’ll need to purchase the full version.
More information about SpyHunter and steps to uninstall.

Win.Trojan.Toa-5370166-0 Virus Removal


Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).


This is the most important step. Do not skip it if you want to remove Win.Trojan.Toa-5370166-0 successfully!

Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab. Try to determine which processes are dangerous. 


Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

Drag and Drop Files Here to Scan
Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at:

Scan Results

Virus Scanner Result

After you open their folder, end the processes that are infected, then delete their folders. 

Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections. 


Hold together the Start Key and R. Type appwiz.cpl –> OK.


You are now in the Control Panel. Look for suspicious entries. Uninstall it/them. If you see a screen like this when you click Uninstall, choose NO:



Type msconfig in the search field and hit enter. A window will pop-up:


Startup —> Uncheck entries that have “Unknown” as Manufacturer or otherwise look suspicious.

  • Remember this step – if you have reason to believe a bigger threat (like ransomware) is on your PC, check everything here.

Hold the Start Key and R –  copy + paste the following and click OK:

notepad %windir%/system32/Drivers/etc/hosts

A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

hosts_opt (1)

If there are suspicious IPs below “Localhost” – write to us in the comments.


To remove parasite on your own, you may have to meddle with system files and registries. If you were to do this, you need to be extremely careful, because you may damage your system.

If you want to avoid the risk, we recommend downloading SpyHunter
a professional malware removal tool.

More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

Type Regedit in the windows search field and press Enter.

Once inside, press CTRL and F together and type the virus’s Name. Right click and delete any entries you find with a similar name. If they don’t show up this way, go manually to these directories and delete/uninstall them:

  • HKEY_CURRENT_USER—-Software—–Random Directory. It could be any one of them – ask us if you can’t discern which ones are malicious.
    HKEY_CURRENT_USER—-Software—Microsoft—-Windows—CurrentVersion—Run– Random
    HKEY_CURRENT_USER—-Software—Microsoft—Internet Explorer—-Main—- Random

If the guide didn’t help you, download the anti-virus program we recommended or ask us in the comments for guidance!


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