Computers without antivirus are certain to get affected with virus or malware. If you see any symptoms that indicate that your PC is affected by a virus, it is necessary that you clean up the damage before it aggravates. Malware is one that takes the form of an app and starts stealing data while a virus is discrete bits of code that are invisible and affect your system. There are many other types of viruses, such as ransomware. You may identify a virus if your system looks sluggish or laggy in use. The probability of infection goes down when there is an active antivirus installed in your PC. You can even use Free virus program [โปรแกรมไวรัสฟรี, which is the term in Thai].
Forms in which malware gets to your computer
- Malicious software: As mentioned above a malware takes the shape of an app to get to your computer. Hence, it is necessary to check the reviews of the apps that you are installing in order to eliminate the chances of downloading malware. The malware also can get to your system by way of emails or an instant message.
- Fake files: There are times when the virus takes the form of image file, pdf document, etc. When opened such files can bug your system and render them infected. If you see any file on your system that wasn’t present before, do not open them unless you are sure of the nature of the file.
- Fake updates: The malware also affects your computer through fake updates which may appear legitimate. A dialog box appears on your computer screen stating there are updates on a particular software or there may be a fake system optimization app.
Ways to clean up malware or a virus
- Keep offline: It is advisable to keep your system offline when you feel the presence of a virus in your system. Keep the internet or wi-fi connection off till you are sure that the infection has been cleaned up. This will help you to safeguard your data.
- Shut down and restore: As soon as you see that your computer is affected with a malware, shut down your computer and restore the data from the backup. The backup should be the one which is taken before the virus infected your system.
- Clear cache: One of the other ways to clean up the malware from your computer is to delete or clear all the cached data from your system. It will help you to prevent your computer from attracting any more viruses.