The malicious infections inflicted by viruses like Trojan.multi.certstor.a are known as Trojans and are extremely dangerous and cunning. Such infections normally go unnoticed and the user realizes what has been going on after Trojan.multi.certstor.a has completed its mission.


The Trojan.multi.certstor.a Virus will stealthily infect your computer.

Why is Trojan.multi.certstor.a identified as a Trojan?

Trojan.multi.certstor.a is an example of a typical Trojan horse version. It invades your device with neither your knowledge nor your permission. Later, it might have many purposes but it remains out of the sight until it has finally achieved its purpose. This is the reason why this kind of malware has been named after the Greek horse that deceived the Trojans into thinking it was a harmless gift. Following that, when no one was suspicious and cautious, the horse finally revealed its true nature and decided the outcome of the war. Lots of the infiltrated devices’ owners have no idea about the contamination before it is already too late to do anything.

How do Trojans get around?

Trojan.multi.certstor.a, as a normal Trojan version, could get around in a lot of different ways. For instance, it may come as a drive-by download from a malicious web page. It could also come with a kind of Ransomware from a letter inside your email or any of its attachments – .exe files, archives, photos and documents. The virus may get distributed via torrents or shareware. At times it may be included in free software that you download from the web. Actually, there are countless opportunities for such malware to infect a computer.

What could such a virus be used for?

Normally, the way the virus is used depends on what the hackers are after as they could utilize Trojan.multi.certstor.a in different ways. In the text below we have explained the most common usages.

We would like you to keep in mind that these are not the only possibilities and there might be many more:

  • Data modification (sometimes even destruction) – this sort of malware might be exploited for the sole purpose of modifying or deleting data from your device.;
  • Helping Ransomware versions get spread – Trojan.multi.certstor.a may be employed in the distribution of other viruses such as Ransomware. In such a case this Trojan may find a way to sneak the other malware program in and allow carry out its illegal task. As soon as you get infected by a Ransomware virus, you should expect file encryption and ransom blackmailing. Such a file-encoding program is really hard to remove and its consequences seem to be very difficult to reverse.;
  • System crash – such a virus may be after your entire system and be set on completely crashing it. Oftentimes the user might not even be able to boot their machine into Windows.
  • Exploitation of PC resources – such malware could be programmed to turn your machine into a bot and let its creators use it as a spam distributing tool.
  • Installation of malware – this virus may serve as a malware-installation tool and you could end up infected by many other viruses due to its activities on your PC.
  • Identity theft – Trojan.multi.certstor.a may also serve as a data thief. It could be pre-programmed to copy and send all your private details and credentials to its evil makers. That way they can get access to all your accounts and private info which could have severe repercussions on your real life.
  • A means of committing cybercrimes – your PC could be turned into a tool for the cyber-criminals to do something illegal. In such a case everything happens on your behalf and as a result- you might end up prosecuted for crimes you have NEVER taken part in..

How you could remove such a contamination:

Trojan.multi.certstor.a may be counteracted by closely following the instructions inside our Removal Guide. They should allow you to take care of this noxious malware infection. In some rare situations, though, the assistance of a professional may be needed, yet we hope your case is not that complicated.

How you can prevent your PC from catching Trojan.multi.certstor.a again:

The wisest thing you can do is ignore all potential sources of Trojans. You already know all about the seriously dangerous possible effects that may come as a result of this malware’s activities on your PC. Simply avoid the possible source and the trouble coming with them. What’s more, it is crucial that you install, buy a license of and always update a top-notch anti-virus program with many capabilities of stopping and fighting various viruses.


Name Trojan.multi.certstor.a
Type Trojan
Detection Tool

anti-malware offerOFFER *Read more details in the first ad on this page, EULA, Privacy Policy, and full terms for Free Remover.

Trojan.multi.certstor.a Virus Removal

You are dealing with a malware infection that can restore itself unless you remove its core files. We are sending you to another page with a removal guide that gets regularly updated. It covers in-depth instructions on how to:
1. Locate and scan malicious processes in your task manager.
2. Identify in your Control panel any programs installed with the malware, and how to remove them. Search Marquis is a high-profile hijacker that gets installed with a lot of malware.
3. How to clean up and reset your browser to its original settings without the malware returning. You can find the removal guide here.

For mobile devices refer to these guides instead: Android, iPhone


About the author


Violet George

Violet is an active writer with a passion for all things cyber security. She enjoys helping victims of computer virus infections remove them and successfully deal with the aftermath of the attacks. But most importantly, Violet makes it her priority to spend time educating people on privacy issues and maintaining the safety of their computers. It is her firm belief that by spreading this information, she can empower web users to effectively protect their personal data and their devices from hackers and cybercriminals.

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