What is a Computer Virus?
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A computer virus is a small software program that spreads from one computer to another and interferes with computer operation. A computer virus might corrupt or delete data on a computer, use an email program to spread the virus to other computers, or even delete everything on the hard disk.
Computer viruses are frequently spread by attachments in email messages or by instant messaging messages. Therefore, you must never open an email attachment unless you know who sent the message or you are expecting the email attachment. Viruses can be disguised as attachments of funny images, greeting cards, or audio and video files. Computer viruses also spread through downloads on the Internet. They can be hidden in pirated software or in other files or programs that you might download.
Symptoms of a computer virus- A message pops up on your screen repeatedly, telling you to buy a security program. It happens so often that you can’t get any work done. Your gut tells you that this is a rip-off, and your gut is correct. The message is adware that found its way on to your system, probably through an online ad for a “free” security scan you clicked on. If you do download – and often pay for – the security program, you’ll end up with fraudware. No matter how many times you run the program it will always find the same problems and keep trying to get more money out of you.
What is a worm?
A worm is computer code that spreads without user interaction. Most worms begin as email attachments that infect a computer when they’re opened. The worm scans the infected computer for files, such as address books or temporary webpages, that contain email addresses. The worm uses the addresses to send infected email messages, and frequently mimics (or spoofs) the “From” addresses in later email messages so that those infected messages seem to be from someone you know. Worms then spread automatically through email messages, networks, or operating system vulnerabilities, frequently overwhelming those systems before the cause is known. Worms aren’t always destructive to computers, but they usually cause computer and network performance and stability problems.
What is a trojan horse?
A trojan horse is a malicious software program that hides inside other programs. It enters a computer hidden inside a legitimate program, such as a screen saver. Then it puts code into the operating system that enables a hacker to access the infected computer. Trojan horses do not usually spread by themselves. They are spread by viruses, worms, or downloaded software.
What is spyware?
Spyware can install on your computer without your knowledge. These programs can change your computer’s configuration or collect advertising data and personal information. Spyware can track Internet search habits and can also redirect your web browser to a different website than you intend to go to.
What is rogue security software?
A rogue security software program tries to make you think that your computer is infected by a virus and usually prompts you to download or buy a product that removes the virus. The names of these products frequently contain words like Antivirus, Shield, Security, Protection, or Fixer. This makes them sound legitimate. They frequently run right after you download them, or the next time that your computer starts. Rogue security software can prevent applications, such as Internet Explorer, from opening. Rogue security software might also display legitimate and important Windows files as infections. Typical error messages or pop-up messages might contain the following phrases:
This computer is infected by spyware and adware.
Note If you receive a message in a popup dialog box that resembles this warning, press ALT + F4 on your keyboard to close the dialog box. Do not click anything inside the dialog box. If a warning, such as the one here, keeps appearing when you try to close the dialog box, it’s a good indication that the message is malicious.
Are you sure you want to navigate from this page?
Press OK to Continue or Cancel to stay on the current page.
If you see this kind of message, then don’t download or buy the software.
What is malware?
Malware is a term that is used for malicious software that is designed to do damage or unwanted actions to a computer system. Examples of malware include the following:
- Trojan horses
- Rogue security software
Laptop PC Repair Virus Removal ONLY £89
Let our experts remove the virus at a low cost and we will back up your work, favourites, emails, images and music to ensure no lost of data.
REMOVE A VIRUS
Laptop/PC infections come in all shapes and sizes and no two computer viruses are the same. Some laptop viruses will steal your private information, while others will send you countless pop-ups to try to scam you into giving them money. It takes less than 7 minutes for a virus to infect an unsecured computer according to PC Magazine. Most laptop these days come with some kind of virus protection when you buy them, such as Norton or Mcafee, but what most computer users fail to realise is the virus protection those programs offer expires after just a few months, leaving your laptop vulnerable to viruses root kits, and other malicious software. At Afro Nerds Laptop PC Repair we remove hundreds of viruses a week; there isn’t anything we haven’t seen. In fact, if for some reason we’re unable to fix your Laptop/PC, we don’t charge for our service!
We 100% GUARANTEE all work carried out, and we will give you a full demonstration of your home network, laptop repair or desktop computer working before asking for any payment! We fix then you pay us! No risk, no fuss!!!
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