What Are The Effects Of Computer Virus?

• Intrusive pop-ups.
• Slow performance.
• Frequent crashes.
• Unknown login items.
• Storage space shortage.
• Missing files.
• Increased network traffic.
• Browser homepage change.

What are the four effects of computer virus?

However, once the virus infects your computer, the virus can infect other computers on the same network.

Stealing passwords or data, logging keystrokes, corrupting files, spamming your email contacts

, and even taking over your machine are just some of the devastating and irritating things a virus can do.

What is computer virus and its effects?

A computer virus is

a malicious piece of computer code designed to spread from device to device

. A subset of malware, these self-copying threats are usually designed to damage a device or steal data.

What are the effects of computer virus in points?

Some computer viruses are

programmed to harm your computer

by damaging programs, deleting files, or reformatting the hard drive. Others simply replicate themselves or flood a network with traffic, making it impossible to perform any internet activity.

What are the risks of a computer virus?

• Identity theft.
• Fraud.
• Deletion, theft and corruption of data.
• A slow or unusable computer.

How can we prevent computer virus?

1. Use Strong Passwords. Let’s start with the basics—your passwords. …
2. Keep Everything up to Date. …
3. Use Antivirus Software. …
4. Use a Firewall. …
5. Install a Popup Blocker. …
6. Beware of Email Phishing Scams. …
7. Educate Your Family & Staff. …
8. Know the Signs of Infection.

What are the causes of virus in computer?

Clicking on links to

malicious websites in emails

, messaging apps or social network posts. Visiting compromised websites, aka drive-by downloads, viruses can be hidden in HTML, thus downloading when the webpage loads in your browser. Connecting your device to infected external hard drives or network drives.

What are three effects of computer virus?

• Intrusive pop-ups.
• Slow performance.
• Frequent crashes.
• Unknown login items.
• Storage space shortage.
• Missing files.
• Increased network traffic.
• Browser homepage change.

Who made the first computer virus?

The Brain Boot Sector Virus

Brain, the first PC virus, began infecting 5.2′′ floppy disks in 1986. As Securelist reports, it was the work of

two brothers, Basit and Amjad Farooq Alvi

, who ran a computer store in Pakistan.

What damage can a computer worm cause?

Worms can

modify and delete files

, and they can even inject additional malicious software onto a computer. Sometimes a computer worm’s purpose is only to make copies of itself over and over — depleting system resources, such as hard drive space or bandwidth, by overloading a shared network.

How can I clean my laptop from viruses?

1. Step 1: Download and install a virus scanner. …
2. Step 2: Disconnect from internet. …
3. Step 3: Reboot your computer into safe mode. …
4. Step 4: Delete any temporary files. …
5. Step 5: Run a virus scan. …
6. Step 6: Delete or quarantine the virus.

Why do we need to protect your computer from the virus?

Why is computer security important? Computer security is important

because it keeps your information protected

. It’s also important for your computer’s overall health; proper computer security helps prevent viruses and malware, which allows programs to run quicker and smoother.

Is Worm A computer virus?

Worms are

a self-replicating type of malware (and a type of virus)

that enter networks by exploiting vulnerabilities, moving quickly from one computer to another. Because of this, worms can propagate themselves and spread very quickly – not only locally, but have the potential to disrupt systems worldwide.

Is Trojan Horse A computer virus?

A Trojan horse, or Trojan, is a type of malicious code or software that

looks legitimate but can take control of your computer

. … A Trojan is sometimes called a Trojan virus or a Trojan horse virus, but that’s a misnomer. Viruses can execute and replicate themselves.

What is the most common virus on computers?

• CryptoLocker. When it comes to malware, ransomware is the new kid on the block. …
• ILOVEYOU. …
• MyDoom. …
• Storm Worm. …
• Anna Kournikova. …
• Slammer. …
• Stuxnet.

What software can you use to avoid getting virus?

Use

an antimalware app

– Installing an antimalware app and keeping it up to date can help defend your PC against viruses and other malware (malicious software). Antimalware apps scan for viruses, spyware, and other malware trying to get into your email, operating system, or files.