Malware is a malicious software, that is any program or file which is hazardous to a computer user. Malware is any piece of software that was written with the intention of doing damage to data, devices or people. This malware can perform a variety of functions such as stealing, encrypting or deleting the important data, monitors user’s activity without their permission, altering core computing functions.
There are different types of malware such as viruses, Trojan, worms, ransomware, adware, botnet. Malware attackers use a variety of methods to spread malware and infect computers. Malicious programs can enter into a system through physical devices or internet. Phishing attacks are another type of malware activity; it includes emails covered as legal messages contain malicious links or attachments which can deliver the malware executable to unsuspicious users.
When our computers work is slowing down or behaving in an abnormal way, we often think that it is a virus. But it may not be a virus; it can be some type of malware. Here, there are tips to prevent a computer from malware attacks.
How to recognize and detect malware
Many symptoms are considered common signs of malware infection, although many types of malware work without warning you of their presence. In fact, hidden programs can pose an even greater threat to malware than reported programs, as they can lead to acts such as identity theft and credit card fraud. If you notice that something is wrong, these signs can mean malware:
- Performance issues: Is the computer running slowly or frequently crashing? Even small amounts of malware can slow down or crash your computer by reducing hard disk resources while running in the background.
- Unexplained behavior of the computer: If events occur that you have not initiated, you may be infected. Common behavioral changes include mysterious new toolbars, unexplained changes to home page settings, and suspicious search results.
- Popups and Junk Mail Interruptions: While many pop-ups and emails from reputable companies are safe, adware that generates malicious pop-ups can install spyware to hack your browser and capture your personal information, even with reputable commercials.