Types of Malware

Malware is malicious software that allows unauthorized access to networks for purposes of espionage, sabotage, or theft. There are various types of malware, and several cyberattacks use a combination of different malware to accomplish their goals.

Malware is typically introduced into a computer through malicious attachments, malicious downloads, or phishing. However, it may also be introduced through flash drives or social engineering as well.

Knowing how to recognize the various types of malware will help you keep yourself and your business systems safe.

1. Virus

Viruses are designed to damage the target device or computer by reformatting the hard disk, corrupting data, or entirely shutting down your system. They can be used to harm computers and networks, steal information or money, create botnets, and more.

How to Recognize A Virus? Frequent pop-up windows, changes to your homepage, frequent crashes, unusually slow computer performance, unusual activities such as password changes, etc., are all signs of a virus.

2. Worms

Worms spread through phishing attacks or software vulnerabilities. Once a worm enters your computer, its starts infecting the entire machine, and in some cases, the entire network.

Depending on the type of worm and your security strength, they can do some major damage. For instance, they can delete or modify files, insert malicious software onto computers, steal your data, etc.

How to Recognize A Worm? To recognize a worm, you need to watch out for things such as declining computer performance, crashing or freezing of programs, usual web browser performance, firewall warnings changed or deleted files, etc.

3. Spyware

Spyware is designed to track your internet activity and browsing habits. Spying capabilities may include collecting activity, monitoring activity, and harvesting financial data, account information, and more.

How to Recognize A Virus? Some signs that your computer is infected with spyware include the sudden appearance of mysterious files on your computer, frequent displays of pop-ups on your screen, and poor device performance.

4. Ransomware

Ransomware is a kind of malware that holds your files captive and asks for payment to allow you to access the data. It limits your access to the device either through encrypting the files on the hard drive or shutting off the system and showing messages that force you to pay the hacker. Once you pay the hacker, your computer will return to its normal state.

How to Recognize A Ransomware? Indicators of a ransomware attack include unusual file system activity, such as multiple failed file modifications, increased disk and CPU activity for no apparent reason, inability to access particular files, and suspicious network communications.

5. Adware

Adware is malware that displays irrelevant ads and pop-ups on your screen. Some people might tolerate adware in return for free software such as games. Adware can not just slow down your computer but can even lead to spyware.

How to Recognize an Adware? Some signs of adware include advertising appearing in unusual places, changing of your web browser’s homepage, websites redirecting you to advertising sites, etc.

Wrapping Up!

Attackers use several techniques and methods to compromise and disrupt systems and networks. Comprehensive safety measures will allow you to stay safe from the various types of malware and hence, mitigate these unwanted threats.

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