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When it comes to cyber security, the most talked about way is how to get rid of computer viruses . Only viruses are harmful - whether it is a virus of the human body or of a computer. So we need to know about computer virus in detail.
Whether you are on Windows , Mac , Linux operating system or desktop, laptop, smartphone or tablet, you are always under cyber threat due to computer virus.
If we want to find a way to get rid of computer virus , we must first know what is computer virus? Its speed-nature, type of attack-symptoms, then will come remedies-prevention. Let's briefly know the genealogy of computer viruses.
What is a computer virus?
Types of viruses
How viruses spread on computers:
- Email is one of the most popular malware delivery methods, which is why email security is important.
- Often innocent looking program files like .com , .exe , .zip , .dll , .pif , .vbs , .js , .scr or macros like .doc , .dot , .xls , .xlt , xlsm , .xsltm The computer may be infected with a virus as soon as the file is opened. Some viruses may be attached to the HTML body of the email.
- During instant chatting , if you share infected links on apps like Skype , Facebook Messenger , Windows Live Messenger , the virus spreads without your knowledge.
- Viruses also spread through peer-to-peer file sharing services like Dropbox , SharePoint / ShareFile . When we download an app from an unknown source outside Apple's App Store or Google Play , it gets infected with malicious software or bloatware. may be
- Scammers and cybercriminals use virus-loaded software like fake antivirus to make users download so-called "antivirus" software by using pop-ups and ads to scare them of non-existent viruses. Infected with malware.
- software and apps – which have not been updated for a long time such as Adobe Reader , Java, Microsoft Windows or Microsoft Office etc. Many updated software are released these days to penetrate old versions of unpatched software, which are used to gain access to the operating system and spread malware.
- Viruses create autorun files on offline devices like pen drives so that the file runs as soon as the pen drive is inserted. When this pen drive is inserted into another computer, the virus automatically runs on the PC and infects all devices that come in contact with it.
Symptoms of computer virus attack:
- The computer becomes very slow.
- CPU usage increases.
- Unknown programs or apps show up
- Anti virus cannot be opened or updated.
- Admin panel cannot be accessed.
- Pop ups keep popping up out of control when Windows starts up.
- There are settings available that you may not be aware of.
- Corrupt or deleted files are restored.
- The hard drive starts automatically.
- The computer gets abnormally hot very quickly.
- The file is encrypted
- restarts for no reason,
- Various ed shows
How to make your computer virus free - Antivirus software works
Step 1 – Download and Install Antivirus
Step 2 - Run a virus scan
Step 3 – Disconnect the Internet
- Safe Mode
- Safe Mode with Networking.
Steps to get to Safe Mode
- Turn off your PC – turn it on again.
- After this light comes on the screen, press f8 to bring up 'Advanced boot options'. Safe Mode with Networking. Click on
- Keep internet connection disconnected.
Step 5 – Delete any temporary files
- Click on the Windows logo at the bottom right
- Type “ Temporary Files ”.
- Select “ Free up disk space by deleting unnecessary files ”.
- Select “ Temporary Internet Files ” under ' Files to delete ' in the Disk Cleanup list
- Click on “Delete Files”.
6th step - Boot-time scan
Step 7 - Delete or quarantine the infected files
8th: Reboot your computer
Step 9 - Change all your passwords
Step 10 - Update your software, browser and operating system
How to make a Mac computer virus free
- Remove software or apps that appear to be infected.
- Look for Mac threats like 'MacDefender', 'MacProtector' and 'MacSecurity' in 'Activity monitor'.
- If you find them, 'Activity monitor'. Click on 'Quit process' before exiting.
- After that, go to the 'Applications' folder and throw the file in the trash.
- Don't forget to empty your 'Trash' to get rid of the virus permanently.
- Keep your software, apps updated all the time.
Preventive measures to keep the computer virus free:
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