COMPUTER VIRUSES EXPLAINED
There's some mystery surrounding the different types of computer viruses.
PC Tech Guru sheds some light on the frequently asked questions surrounding these unwelcome nasties in the easiest way possible.
(Please note that even from the wise words of the Guru, we cannot guarantee the following text to be 100% correct due to constant technology changes)
How do I know if my PC has a virus?
If you start noticing your pc isn't functioning as it used to, such as seeing pop-ups, unable to access parts of your pc or load programs, spam on emails or social media, a slower pc, or even locked out your pc, its time to raise the alarm. But we must add that even if you think your pc is fine, doesn't always mean your free from viruses and malware. The hidden, dormant viruses could be just as dangerous. PC Tech Guru runs specialist programs to reveal and kill these threats and viruses.
What Viruses are there?
It's ok calling it a virus, but just like common human infections, there are several types your computer can catch too. A Virus is usually a computer program package in itself that can manipulate your programs and files in an attempt to ruin your computer or spoil your experience by performing malicious actions with or without your permission. Here are the most common you should be aware of.
#Trojan Horse: Whilst viruses have been causing chaos since mainstream PC's began with hackers and pranksters, The real story of the Trojan horse comes from the Wooden horse used by the Ancient Greeks to invade the city of Troy by stealth. This is no exception today, where Trojans can invade your PC by stealth with sometimes dire circumstances. Although what we have listed below is different viruses, they all come under the same category...they all have the potential to do pretty nasty things to your computer including slowing your pc down, leave you unable to browse your internet or computer, spy on your activity, and even destroying/corrupting your computer or data. These are Trojans or more commonly known as Viruses or Malware.
#Malware: A shortened term for Malicious software which really does speak for itself. It's also a well-used term that can usually refer to common malicious problems that have arrived on your PC such as bundles and adware. Malware is often embedded in other files and intended to be stealthy and harmful software. An example of common malware includes the ability to change your search engine and sometimes does not allow you to change your browser home page.
#Spyware, Ransomware, Adware, Grayware: 'Ware' indicates its a piece of software. In this case, it's bad news software. These type of viruses can hide in downloaded software until you decide to install it. So when installing seemingly legit software to you, there could be other more dangerous software lurking within.
These are called PUP's (potentially unwanted programs). Even if you have Anti-virus installed, It's important to always check what you are installing and untick/decline any unwanted software that comes with what you're currently installing.
Spyware can spy on your PC activity including keylogging and then viewing your passwords. Ransomware is an evil program that locks your files or PC until you pay a sum of money to unlock them. Adware is pop-up adverts and fake internet adverts to fake pages and even has the ability to bypass your antivirus. Grayware is a less known term but just another name for Unwanted programs and apps like Bundles.
#Bundles: Its intent is to provide complete inconvenience and can (but not always) be triggered by someone being lured by adverts on the internet giving away free stuff and then downloading it and ends up being a bundle included. Bundles certainly are one of the most annoying and most noticeable malware. It would become clear you have installed a bundle on your pc when you have installed a program (downloaded unverified from a 'free' website or an advert for instance). If the program you installed contains a bundle, I'm afraid you might get more than you bargained for...
Bundles are made up of small programs that will likely start installing without your permission and send your PC into a flurry of installations until the bundle is complete and you are left with usually 15+ potentially unwanted programs that arent all straight forward to uninstall. Some will trick you into keeping them with tricky un-installation procedures. Not all the programs may be harmful but we fully recommend you don't open them anyway, and if in doubt, call for help in removing them asap before it gets any worse.
#Rootkits: These nasties are designed to keep the virus on your computer for as long as possible. They routinely hide the virus from plain sight from places such as your ctrl+alt+del task manager. They can also prevent the virus from being removed easily, such as hiding the virus-contained program from your Uninstall section. This is one-way viruses and spyware can lay dormant or active on your pc without your knowledge and then instantly do damage when you least expect it.
#Backdoors: A term used when someone or something hacks into your PC through an unsecured remote access source or network. If you are already affected by spyware and your pc is being spied upon, it's possible the hackers may know your login details already leaving your PC open, hence they are coming through your 'backdoor'.
Most known viruses have a solution.
Don't leave it until its too late, Contact us 01928 240560!