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MAC OS Is Infected' pop-up scam: WARNING! MAC OS is infected with Viruses and other malicious applications. Viruses must be removed and system damage repaired. It is necessary to Call Apple Support 1-844-658-5859 and follow Virus removal procedure immediately, please proceed. If you leave this site your Mac OS will remain damaged. Protect your Mac from malware. MacOS has many features that help protect your Mac and your personal information from malicious software, or malware. One common way malware is distributed is by embedding it in a harmless-looking app. You can reduce this risk. Even Macs Need Antivirus Protection. The myth that Macs don’t suffer malware attacks has been.

For a long time, Mac OS users believed they were safe, that there was no malware for their system. As recent as April 2012 and the flashback attack on over 700,000 Apple PCs, it is clear that attackers also have the Macintosh in their crosshairs. AV-TEST has tested 18 antivirus products for Mac and finds some of them truly superb – others are really horrible.

Security Suites for Mac OS X

For on-demand detection, only four products achieved the 100-percent mark (AV-TEST August 2014).

The universe of known threats for the Mac OS is still not terribly large. This easily leads to the assumption that Mac users don't have to worry about the topic of security software. What's more, tests published on the Web with 1 to 20 known Mac intruders, all of which were naturally detected, don't make the situation any better. In the meantime, however, there are already a few hundred current threats specially targeting the Mac that in particular seek to exploit the security gaps of software add-ons.

A few of the products slow down the system when copying. The strong detection package from Bitdefender hardly slows down the system at all (AV-TEST August 2014).

' tabindex='0'>Security Suites for Mac OS X

A few of the products slow down the system when copying. The strong detection package from Bitdefender hardly slows down the system at all (AV-TEST August 2014).

The security package detected all the malware sought in the test and, in doing so, hardly strained the System.

' tabindex='0'>Bitdefender for Mac

The security package detected all the malware sought in the test and, in doing so, hardly strained the System.

The freeware for Mac users did a good job, though not a great job, at recognizing the intruders.

' tabindex='0'>avast! Free Antivirus for Mac

The freeware for Mac users did a good job, though not a great job, at recognizing the intruders.

2

Bitdefender for Mac

Everyone says: Mac OS X can protect itself

To be sure, since OS X 10.7 or 10.8 there are some good internal security systems such as Gatekeeper, Sandbox and Xprotect. Xprotect, for example, checks the mail and browser downloads. USB sticks, CDs or DVDs, however, are not inspected.

The Flashback attack of 2012 caught many users flat-footed, and over 700,000 Macs were infected in a flash. Up to that time, there was a consensus that an antivirus application for a Mac was merely ballast. An opinion that persists to this day, except probably among the some 700,000 Flashback victims.

18 Security suites for Mac put to the test

For the maximum protection under OS X 10.9, the AV-TEST lab inspected 18 currently available Internet security suites in terms of their protection function, system load and false positives. In addition, the features of the protection packages were listed.

In the first part of the test, 117 specimens of malware targeting the Mac were inspected in the so-called on-demand test. This is the normal scanning routine of security tools for malware. In the second part, the on-access test, the quality of the background antivirus watchdog was inspected. In doing so, an additional 84 infected files in the system were copied into another folder. In this case, the watchdog must respond and block access to the infected file.

Partially very weak malware detection

Only the packages from Bitdefender, G Data and Norman were able to complete both parts each with 100 percent detection. This is followed by a wide midfield with 10 products that achieved between 82.1 and 100 percent in the on-demand test. In the on-access test, the scores were only between 70.2 and 100 percent.

The last four products from Symantec, Trend Micro, McAfee and Webroot exhibited very poor results. In the on-demand test, detection was only between 19.7 and 54.7 percent. Also in the on-access test, the four products only achieved 21.4 to 50 percent. The weakest product from Webroot thus only caught every fifth intruder.

If you're a drag, you're out

The biggest problem with antivirus applications on the Mac is that they are a drag on the system. In order to measure the burden posed by system watchdogs, the laboratory measured the time it took to copy over 7 GB of data on the reference system: 17.2 seconds. Afterwards, all the products were installed, the copy routine was repeated and the time was clocked.

Half the tested products only slowed down the system by a factor between 1.5 and 10 percent. Regardless of their flawless detection performance, Bitdefender and Norman hardly slowed down the system at all: 17.5 and 18.1 seconds respectively were measured during copying. The strong detection package from G Data slowed down the system slightly more: 19.1 seconds.

Of the initial 16 solutions, with 20.8 seconds the package from Intego marked the threshold to the programs that slowed down the system. Prior to that, a security solution thus slowed down the copying routine by a maximum of 3.6 seconds – that's not anything the user would notice in everyday use.

Far above this threshold were the packages from Microworld with 40.4 seconds and Trend Micro tested multiple times at 470.3 seconds instead of 17.2 – that is a 27-fold time lag.

Identification friend or foe

All the system watchdogs were tested for false positives. While protection was active, 100 popular software packages from the Mac App Store were each installed. Among them, for example, were tools such as the VLC Media Player, Open Office or Java, for instance. None of the security packages sounded a false alarm here.

For this test, the security software had a somewhat easier job under Mac than under Windows, as the volume of available software is considerably smaller.

Often bare-bones features

In addition to the normal security functions, the packages offer only selective additional functions. Avast offers an anti-spam function. ESET, G Data and Trend Micro an anti-phishing tool. Not even half the packages throw in a safe-browsing function for the user.

There are only additional protection modules, such as a personal firewall, child protection, a backup function or encryption tools on selective products. And this despite the fact that most of the protection packages require payment of an annual license.

Conclusion: More protection is possible

Private Mac users can depend on the internal security systems of the current OS X. But in case a Trojan such as Flashback should ever manage to penetrate the system again, then it will be all over but the shouting. Companies in particular should not incur this risk for corporate and customer data. Because the firm's existence could easily be at stake.

In the test, the solution of Bitdefender found all malware specimens error-free and did not measurably slow down the system in its routines. G Data and Norman are also reliable security partners. In doing their job, they put an undiscernible additional burden on the system.

The solution from avast! offered the best freeware product in the test. While the system watchdog did not work completely without a glitch, it still performed well, and it was quite economical with resources.

Here's another tip: Users should definitely have the appropriate security software factory-installed or buy an off-the-shelf version. Because the versions from the Mac App Store have restrictions in their functions!

How to remove WARNING! MAC OS Is Infected from Mac?

What is WARNING! MAC OS Is Infected?

'WARNING! MAC OS Is Infected' is a fake error similar to Apple Security Alert, Apple Support Center - Attention!!, Apple Warning Alert, and many others. This error is displayed by a malicious website that users often visit inadvertently - they are redirected by various potentially unwanted programs (PUPs). These programs also deliver various 'malvertising' ads (pop-ups, banners, coupons, etc.), record information (mostly, about web browsing habits), and misuse system resources.

This error states that the system has been infected and that the malware must be removed and system repaired immediately. Users are advised that they must not hesitate to call Apple technical support via the telephone number ('1-844-658-5859') provided. Certified technicians then supposedly guide users through the malware removal process. Bear in mind, however, that 'WARNING! MAC OS Is Infected' is a scam. This error is fake and has nothing to do with Apple. In fact, cyber criminals claim to be certified technicians and attempt to monetize their services that are not needed. In addition, these people often trick users into granting remote access to their computers. Once connected, cyber criminals stealthily install malware and/or change system settings. Then they claim to detect additional errors and offer further help for an additional fee. Therefore, we strongly advise you to ignore 'WARNING! MAC OS Is Infected' and to never call the aforementioned telephone number. This error can be removed by closing the web browsing or rebooting the system. Be aware that some malicious websites and PUPs mine cryptocurrency or run other unwanted processes in the background. They misuse system resources without users' consent, thereby significantly diminishing overall computer performance. Potentially unwanted programs are also known to gather various information that might contain personal details. This data is sold to third parties. Furthermore, PUPs often deliver malicious ads using various tools that enable placement of third party graphical content on any site. Therefore, the ads usually conceal underlying content, thereby diminishing the browsing experience. Malicious ads may also lead to rogue websites and/or execute scripts that download and install malware. Therefore, even accidental clicks can result in high-risk computer infections. For these reasons, we advise you to uninstall all potentially unwanted programs immediately.

Threat Summary:

Name	'WARNING! MAC OS Is Infected' virus
Threat Type	Mac malware, Mac virus
Symptoms	Your Mac became slower than normal, you see unwanted pop-up ads, you get redirected to shady websites.
Distribution methods	Deceptive pop-up ads, free software installers (bundling), fake flash player installers, torrent file downloads.
Damage	Internet browsing tracking (potential privacy issues), displaying of unwanted ads, redirects to shady websites, loss of private information.
Malware Removal (Mac)	To eliminate possible malware infections, scan your Mac with legitimate antivirus software. Our security researchers recommend using Combo Cleaner. ▼ Download Combo Cleaner for Mac To use full-featured product, you have to purchase a license for Combo Cleaner. Limited three days free trial available.

As mentioned above, 'WARNING! MAC OS Is Infected' shares many similarities with dozens of other fake errors. Each and each one claims that the system is damaged , however, these false claims are merely attempts to extort money from unsuspecting users. Potentially unwanted programs are also very similar. By offering various 'useful features', PUPs trick users into believing that these programs are legitimate and useful, however, that all potentially unwanted programs only generate revenue for the developers. Therefore, only very few give real value for regular users. Most merely promote rogue websites (unwanted redirects), deliver malicious ads, gather information, and misuse system resources. These programs pose a direct threat to your privacy and Internet browsing safety.

How did potentially unwanted programs install on my computer?

Research shows that some PUPs have official download websites, however, most are distributed using a deceptive marketing method called 'bundling', and via the aforementioned malicious ads. Therefore, users often install PUPs inadvertently or PUPs stealthily infiltrate their systems without permission. Bundling is stealth installation of third party software together with regular apps. Developers hide bundled programs within the 'Custom/Advanced' settings or other sections of the download/installation processes. Many users are careless during download and installation - they rush and skip steps. In addition, many users click various ads. This behavior often leads to inadvertent installation of potentially unwanted programs.

How to avoid installation of potentially unwanted applications?

The key to computer safety is caution. Therefore, pay close attention when downloading/installing software and browsing the Internet in general. If possible, select the 'Custom/Advanced' settings, carefully analyze each window of the download/installation dialogues, and decline offers to download/install third party programs. Bear in mind that third party download/installation tools are monetized by promoting dubious programs (the 'bundling' method). Therefore, we recommend that you avoid using such tools - your software should be downloaded from official sources only, using a direct download link. Most malicious ads appear legitimate, as developers invest a great deal of time and money into their design, however, these ads are distinguishable for their redirects - most lead to survey, adult dating, pornography, and other similar sites. Therefore, if you encounter this type of ad or website, immediately remove all suspicious apps and browser plug-ins.

Text presented within 'WARNING! MAC OS Is Infected' pop-up scam:

WARNING!
MAC OS is infected with Viruses and other malicious applications. Viruses must be removed and system damage repaired. It is necessary to Call Apple Support 1-844-658-5859 and follow Virus removal procedure immediately, please proceed.
** If you leave this site your Mac OS will remain damaged and vulnerable **

Appearance of 'WARNING! MAC OS Is Infected' scam (GIF):

Instant automatic Mac malware removal:Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of Mac malware. Download it by clicking the button below:
▼ DOWNLOAD Combo Cleaner for MacBy downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for Combo Cleaner. Limited three days free trial available.

Quick menu:

• STEP 1. Remove PUP related files and folders from OSX.
• STEP 2. Remove rogue extensions from Safari.
• STEP 3. Remove rogue add-ons from Google Chrome.
• STEP 4. Remove potentially unwanted plug-ins from Mozilla Firefox.

Video showing how to remove adware and browser hijackers from a Mac computer:

Potentially unwanted programs removal:

Remove PUP-related potentially unwanted applications from your 'Applications' folder:

Click the Finder icon. In the Finder window, select “Applications”. In the applications folder, look for “MPlayerX”,“NicePlayer”, or other suspicious applications and drag them to the Trash. After removing the potentially unwanted application(s) that cause online ads, scan your Mac for any remaining unwanted components.

Combo Cleaner checks if your computer is infected with malware. To use full-featured product, you have to purchase a license for Combo Cleaner. Limited three days free trial available.

Remove 'warning! mac os is infected' virus related files and folders:

Click the Finder icon, from the menu bar. Choose Go, and click Go to Folder...

Check for adware-generated files in the /Library/LaunchAgents folder:

In the Go to Folder... bar, type: /Library/LaunchAgents

In the “LaunchAgents” folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by adware - “installmac.AppRemoval.plist”, “myppes.download.plist”, “mykotlerino.ltvbit.plist”, “kuklorest.update.plist”, etc. Adware commonly installs several files with the same string.

Check for adware generated files in the /Library/Application Support folder:

In the Go to Folder... bar, type: /Library/Application Support

In the “Application Support” folder, look for any recently-added suspicious folders. For example, “MplayerX” or “NicePlayer”, and move these folders to the Trash.

Check for adware-generated files in the ~/Library/LaunchAgents folder:

Mac Virus Malware Scanner

In the Go to Folder bar, type: ~/Library/LaunchAgents

In the “LaunchAgents” folder, look for any recently-added suspicious files and move them to the Trash. Examples of files generated by adware - “installmac.AppRemoval.plist”, “myppes.download.plist”, “mykotlerino.ltvbit.plist”, “kuklorest.update.plist”, etc. Adware commonly installs several files with the same string.

Check for adware-generated files in the /Library/LaunchDaemons folder:

In the Go to Folder... bar, type: /Library/LaunchDaemons

In the “LaunchDaemons” folder, look for recently-added suspicious files. For example “com.aoudad.net-preferences.plist”, “com.myppes.net-preferences.plist”, 'com.kuklorest.net-preferences.plist”, “com.avickUpd.plist”, etc., and move them to the Trash.

Scan your Mac with Combo Cleaner:

If you have followed all the steps in the correct order you Mac should be clean of infections. To be sure your system is not infected run a scan with Combo Cleaner Antivirus. Download it HERE. After downloading the file double click combocleaner.dmg installer, in the opened window drag and drop Combo Cleaner icon on top of the Applications icon. Now open your launchpad and click on the Combo Cleaner icon. Wait until Combo Cleaner updates it's virus definition database and click 'Start Combo Scan' button.

Combo Cleaner will scan your Mac for malware infections. If the antivirus scan displays 'no threats found' - this means that you can continue with the removal guide, otherwise it's recommended to remove any found infections before continuing.

After removing files and folders generated by the adware, continue to remove rogue extensions from your Internet browsers.

'WARNING! MAC OS Is Infected' virus removal from Internet browsers:

Remove malicious extensions from Safari:

Remove 'warning! mac os is infected' virus related Safari extensions:

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Open Safari browser, from the menu bar, select 'Safari' and click 'Preferences...'.

In the preferences window, select 'Extensions' and look for any recently-installed suspicious extensions. When located, click the 'Uninstall' button next to it/them. Note that you can safely uninstall all extensions from your Safari browser - none are crucial for normal browser operation.

• If you continue to have problems with browser redirects and unwanted advertisements - Reset Safari.

Remove malicious plug-ins from Mozilla Firefox:

Virus Scanner For Mac Os X 10.5.8

Remove 'warning! mac os is infected' virus related Mozilla Firefox add-ons:

Open your Mozilla Firefox browser. At the top right corner of the screen, click the 'Open Menu' (three horizontal lines) button. From the opened menu, choose 'Add-ons'.

Choose the 'Extensions' tab and look for any recently-installed suspicious add-ons. When located, click the 'Remove' button next to it/them. Note that you can safely uninstall all extensions from your Mozilla Firefox browser - none are crucial for normal browser operation.

• If you continue to have problems with browser redirects and unwanted advertisements - Reset Mozilla Firefox.

Remove malicious extensions from Google Chrome:

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Remove 'warning! mac os is infected' virus related Google Chrome add-ons:

Open Google Chrome and click the 'Chrome menu' (three horizontal lines) button located in the top-right corner of the browser window. From the drop-down menu, choose 'More Tools' and select 'Extensions'.

In the 'Extensions' window, look for any recently-installed suspicious add-ons. When located, click the 'Trash' button next to it/them. Note that you can safely uninstall all extensions from your Google Chrome browser - none are crucial for normal browser operation.

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• If you continue to have problems with browser redirects and unwanted advertisements - Reset Google Chrome.