You need to be aware that several keylogger-based malware or viruses also periodically secretly take screenshots, hence you need to be careful not to expose any passwords by copying and pasting from a document, for instance, or by clicking the Show Password box that at times appears within dialog boxes.

This is a very common component within malware. Going forward do not type any passwords or login details just in case a hidden keylogger is running. If you think your Mac is infected by a virus or malware, you will need to make use of the best Mac antivirus or try applying the key steps discussed below to clean up things: The quantity of Mac viruses is presently growing at an alarming rate and solid protection against these threats is thus becoming the need of the hour if you want to prevent file corruption, identity theft or interception of your credit card details. There was a time when Mac computers were considered to be almost ‘virus-proof’. How to Remove and Get Rid of a Virus on A Mac? The bad people behind this software actually manipulate Google’s search results such that it appears at the top, enabling their apps to look unbelievably convincing and also professional. Unfortunately, a lot of software that in fact claims to be capable of fixing Macs is in fact malware itself, or is just fake and designed only to make you spend too much of your money. If your Mac has been infected, you should never Google a description of the problem and install the very first thing you spot that guarantees to be able to fix things. You don’t have to panic if you come across these symptoms as they do not always mean as if there is a malware or virus infection in your Mac. You discover any web searches are unexpectedly redirected away from your usual search engine to another site you have never heard of, in other words, the results appear in a page that is faked up to look like your usual search engine.

These toolbars usually claim to make it easier to shop or search.

You find there is a new toolbar in your browser that was not installed by you.

Advertising windows pop up on your desktop, apparently unconnected with any browsing you are doing or any program that is running.

Going to your favorite sites does not always work, and this appears as if something is haphazardly redirecting you to spam advertising pages.

All web pages are overlaid with adverts, even those where you do not expect to see adverts.

Your Mac suddenly becomes slow, as if there is some software running in the background chewing up resources.

Here are some of the symptoms of viruses and malware that you could encounter in your Mac.

How to clean up mac viruses