PC Tool iAntiVirus is a software which makes system scans and offers a real-time protection against Internet viruses and worms. This free antivirus for iMac is able to detect and remove Mac threats and it has a nice and friendly user interface, which is both easy to use and functional.
The antivirus has the following features: you can perform many different scan types and it offers real time protection against cyber-threats. The software uses minimal system resources; therefore your computer will not be slowed down by the antivirus. When it detects a infections PC Tool iAntiVirus will block it and will place it in quarantine making an alert in the system menu bar.

The quarantine with all detected infections allows you to restore and to view all the infections in case of a false detection. As you can the software doesn’t delete the files, but it places them in quarantine, blocking them the access to your computer.
PC Tool iAntiVirus for iMac makes automatic updates to detect new threats. The Smart Update function does the updating process, the downloading process and the installation process.
ClamXav is another antivirus for iMac and it is also free. The antivirus is able to perform on-demand scans, to scan e-mails and to offer real time protection against worms and Internet viruses. ClamXav antivirus supports the following languages: Taiwanese, Spanish, Polish, Korean, Japanese, Italian, German, French, Danish and English. It is compatible with Mac OS X Snow Leopard, Tiger and it has a limited support for Panther.

You can instruct the software to load when you open your computer and you can designate to it the folders you want it to protect and watch. A downside of this antivirus software is the fact that if an unwatched folder or files gets infected the antivirus isn’t able to detect it unless you make from time to time a manual scan of your computer’s system. The manual scan will take a long time and it will slow down your computer, so if you are in the process of something important you shouldn’t start a manual scam with ClamXav.
It is not the fastest or the most capable antivirus for your iMac but the fact that it is free makes it worth a try.
A better antivirus for Mac users is Norton Antivirus for Mac. A single license of this software is about $50.00 and it is able to offer excellent antivirus protection. With this software you will also get the Norton Dashboard Widget that is a threat alerting widget.  Norton Antivirus for Mac offers e-mail scanning, real time scanning and on-demand scanning.

Intego VirusBarrier X5 is another cool antivirus for your iMac. The main plus for this antivirus software is the fact that it doesn’t slow down your computer and is very easy to install. It has an easy to use interface and it works very well. The antivirus is able to guard against Windows – based malware and also Mac specific malware. You have the possibility to turn off the guard against Windows – based malware because you don’t need it. You can buy a single license for this software at a price of $70, making Intego VirusBarrier X5 one of the most expensive Mac antivirus software.
The modern and sleek interface allows you to choose between different types of scans: you can scan your iPhone or your iPod, you can exclude from the scanning the folders or the files you want and put them in the Trusted Zone and you have access to the real time scanning.
With this software you also have: receive and send e-mail scanning, compressed files scanning, archives scanning, behavior analysis and quarantine feature.

The software is available in the following languages: Spanish, Japanese, Italian, French and English.
Avast! Antivirus Mac and Mac+PC Editon is for Mac users that run with their Mac, not only Mac OS X but also Microsoft Windows. If you want just the Mac Edition you can buy the avast! Mac Edition license.
Some of the features of avast! antivirus Mac and Mac+Pc Edition: the ability to scan the files while they are accessed, on-demand scanning, Virus Cheat a place where suspicious or infected files are placed, mail protection, automatic updates and the possibility to customize the scanning the way you want.

Avast! Mac Edition is a stabile antivirus for your iMac. You can use it and download it for free in a 60-days trial version. The software has the following versions: drag and drop scanning, resident protection, a very simple installation, modular architecture, automatic updates, integrated e-mail protection, user friendly interface, on-demand scanning, full on-access scanning and control of the scanning options and you can also select your preferred paths for scanning.
The user interface is very easy to use: in the main window you can check for new updates, you can access the virus chest and you can set your main scanning options. When this antivirus completes a scan the results will be displayed in a list and you can transfer them to the main window.
Avast! Mac Edition is a solution for your iMac malware and antivirus problems.


















