Computer Virus Types (Names, Definition, Removal, Protection)
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Computer Virus Types (Names, Definition, Removal, Protection)

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What are the main computer virus types? What are the names of all virus types? What is the definition of each virus? How to remove viruses and protect yourself?

Computer viruses are becoming increasingly diverse in types. From simple viruses that are harmless and made to mock people for their poor cyber-security or heighten the ego of some teenage hacker, they have become the sole reason why they are so many data leaks and breaches occurring to governments. Not only this, but viruses have gotten so serious, that one specific virus can have the potential to disrupt major facilities of the government and even atomic energy facilities. And now with the variety of devices increasing out there, it is important to know how the different types of viruses work and to learn how to manually identify the type of threat you are at risk from. Since it becomes hard for the regular user to keep track of such diversity, we have decided to separate the viruses in several main categories and explain to you what exactly are these viruses, what do they do and what are the dangers of having viruses running on your device based on each type.


Mac Virus Threats

Viruses on Mac have started to become increasingly more and more dangerous to users. Malware authors have proven once again that they can create quite the Mac Viruses and use those to their advantage. So far there have been different types of threats for Mac out there:

Mac Ransomware – locks your Mac or encrypts your files, making them unopenable, holding your Mac hostage until you pay ransom in BitCoin.
Mac Trojans – there have been numerous cases of Mac Trojans out there, most of which related to banking malware aiming to steal banking details.
Mac Adware and Redirects – these types of “viruses” for Mac are the most common. They aim to get victims to see a lot of different advertisements.
Rogue apps for Mac – these types of fake fixers, optimizers and antivirus programs often aim to get you to visit a third-party site to buy their licenses, that are in the hundreds of dollars. They pretend to find errors on your Mac that do not exist to motivate you into getting their full version to remove them.

Usually the most widespread threats on Mac are the browser extensions, adware and browser redirect PUAs (Potentially Unwanted Applications). They often come bundled alongside other programs and they may introduce a variety of ads on your Mac, such as pop-ups, redirects, push notifications, changed search engine that displays ads instead of search results and many other content. The end goal of those pesky programs is to lead you to third-party websites and those sites could eventually turn out to be scam sites and even malware sites that can slither a more serious threat in your Mac.

See our updated removal guides list containing the latest Mac Virus Threats:

Related: Updated List of Latest Mac Viruses

If you believe that your Mac may be compromised by a Mac virus, use the following professional software to detect and delete any viruses from your Mac:


Download

Combo Cleaner for Mac


Combo Cleaner scanner will only detect the threat. If you want the threat to be automatically removed, you need to purchase the full version of the anti-malware tool.Find Out More About Combo Cleaner Anti-Malware Tool.


Ransomware Virus Threats

According to latest statistics, ransomware threats have become notoriously popular up to the point that they are now the most money-generating type of cyber-threat out there. This is because a ransomware virus is basically an extortion scheme for your files.

What the cyber-criminals do in this case is to make sure that your files could not be opened by using the same encryption that is used to cover up and hide different types of sensitive files. Such encryption scrambles your files and makes them no longer accessible. In return, the cyber-criminals behind the virus want you to pay them a lot of money that can vary from hundreds to thousands of dollars, usually In BitCoin, Monero or ZCash cryptocurrencies. They offer to get your files back and some of them even offer 1 free file for decryption so that you can see that they are not joking.

Ransomware viruses can be recognised by having a custom file extension on each file, like “.encrypted” or so on. But some ransomware viruses may lock your computer completely or even rename your files randomly so that you cannot be able to recognise them at all.

See our updated removal guides list containing the latest Ransomware Threats:

Related: Updated List of The Latest Ransomware Viruses

If you believe that your computer may be compromised by a ransomware virus, use the following professional software to detect and delete any viruses from your device:

Download

Removal Tool (Windows)


Spy Hunter scanner will only detect the threat. If you want the threat to be automatically removed, you need to purchase the full version of the anti-malware tool.Find Out More About SpyHunter Anti-Malware Tool / How to Uninstall SpyHunter


Browser Redirect Virus Threats

Browser Redirection viruses as they are called are basically the pesky PUA (Potentially Unwanted Applications) we explained about earlier. These forms of redirects could be seen in multiple different places on your computer – as a program installed on it, attached to a legitimate program or even by being attached to a browser extension or be the browser add-on itself. They can cause a lot of browser redirects on your computer that can lead to seriously risky sites. These sites could turn out to be:

  • Scam sites.
  • Malware-infested sites.
  • Phishing pages.

Browser redirect viruses come onto victims computers by being bundled to the installers of other programs or if the victim downloads them. These types of bundling operations can include the browser redirection virus to seem as a “free extra” or an “optional offer” that is added as a bonus to the program you are currently trying to install. Once the programs of this type are added, they can immediately begin to slow your computer down with redirects and pesky pop-ups. Not only this, but these apps often use different tracking technologies to obtain your key data. This is done with the primary goal to slither ads that target you with the same things you search or with your location in order to increase the likelyhood of you clicking on the suspicious ad.

See our updated removal guides list containing the latest Browser Redirect Threats:

Related: Updated List of The Latest Browser Redirect Viruses

If you believe that your computer may be compromised by a browser redirect virus, use the following professional software to detect and delete any viruses from your device:

Download

Removal Tool (Windows)


Spy Hunter scanner will only detect the threat. If you want the threat to be automatically removed, you need to purchase the full version of the anti-malware tool.Find Out More About SpyHunter Anti-Malware Tool / How to Uninstall SpyHunter


Scam – Related Threats

These types of scam threats could be a dubious software, that aims to detect a lot of different errors that do not exist, like rogue apps and try to get you to pay a lot of money for a full license. They can also be pages that are brought to your computer as a result of a browser redirection. These web pages lock your browser and pretend that there is some sort of an error in it, aiming to get you to call a fake tech support number, whose primary purpose seems to be to scam you. Once called, the scammers aim to convince you to let them in your computer and fix the issues, and for that they want you to pay hundreds of dollars and there may not be any issues after all. Not only this, but there are other forms of scam pages as well, which many call phishing. They may be displayed on your computer as a result of being infected by a dangerous Trojan that is detecting each time you visit a bank site or a large social media or e-mail service, like Facebook or Gmail. Then, the malware causes a redirect ot a phishing (fake) web page, that looks very close or identical to the original page. The main idea behind this is for you to type in your credit card information or login details and for the malware to steal them. This is why you should always be very careful where you type your data and check if the link in the address bar is the original site or no.

See our updated removal guides list containing the latest Scam – related threats:

Related: Updated List of The Latest Scams

If you believe that your computer may be compromised by a scam virus, use the following professional software to detect and delete any viruses from your device:

Download

Removal Tool (Windows)


Spy Hunter scanner will only detect the threat. If you want the threat to be automatically removed, you need to purchase the full version of the anti-malware tool.Find Out More About SpyHunter Anti-Malware Tool / How to Uninstall SpyHunter


Trojan Infections

Trojans are by far one of the oldest and most widely used type of spyware tools out there. They enter your computer silently by exploiting vulnerabilities in your system, but in contrast to other malware these types of threats aim to remain as silent as possible, causing no symptomps. What Trojans do is absolutely anything you can image a malware to do. The main activities of a Trojan involve:

  • Logging the keys you type on your keyboard.
  • Tracking your camera and microphone.
  • Obtain files.
  • Download other viruses.
  • Update itself.
  • Take remote control over your mouse.
  • Stop key Windows processes.
  • Create copies of itself to trick you that you have successfully removed it.

In addition to this, the main idea of this virus is to act as a remote control to your computer. This means that every action you do is monitored and your best bet is to simply change all your passwords after removing the Trojan.

If you believe that your computer may be compromised by a Trojan virus, use the following professional software to detect and delete any viruses from your device:

Download

Removal Tool (Windows)


Spy Hunter scanner will only detect the threat. If you want the threat to be automatically removed, you need to purchase the full version of the anti-malware tool.Find Out More About SpyHunter Anti-Malware Tool / How to Uninstall SpyHunter

See our updated removal guides list containing the latest Trojan Threats:

Related: Updated List of The Latest Trojans

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Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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