weknow.ac is a browser hijacker for Mac that installs itself in Safari on a Mac, identical to search.uniwebsearch.com, search.search-bee.com, search.searchmecenter.com, and search.searchtheuniverses.com. weknow.ac is distributed via adware installations. weknow.ac is a browser hijacker that hijacks Safari on a Mac without the user consent. weknow.ac is distributed by adware installations. weknow.ac is a fake search engine, which looks very much alike well-known legitimate search engines. In this way, the weknow.ac browser hijacker tries to appear legitimate.

The weknow.ac browser hijacker installs a browser extension in Safari that replaces the standard search engine and homepage with weknow.ac. Search queries are redirected by Weknow through Webcrawler.com to generate imitations through intext ads. weknow.ac is developed and maintained by Weknow services, a company located in Israel.

Warning!

Weknow.ac is installed by deceptive installation software for Mac, for example, rogue Flash Player updates. Flash Player updates are used as a social engineering trick to deceive user in to update their Flash Player. During installation the weknow.ac browser hijacker is installed in Safari.

How to Remove weknow.ac?

 Step 1 – Remove weknow.ac “AdminPrefs” profile and the hijacker from Mac OS Safari, Google Chrome or Firefox

 Step 2 – Remove adware with Combo Cleaner

 Step 3 – Remove malware, adware and viruses with Malwarebytes

Remove weknow.ac “AdminPrefs” profile and Weknow.ac from Safari on Mac

First you need to remove a malicious AdminPrefs profile from your Mac. Weknow.ac installs a profile which maintains the weknow.ac hijacker.

• Click the  icon in the top left menu.
• Open System Preferences and go to Profiles
• Search for the “AdminPrefs” profile(s) and click the (-) minus button to remove the Profile.

Continue the removal of the weknow.ac homepage and browser extension from the Safari, Chrome or Firefox for Mac web browser.

Change Safari weknow.ac homepage

Open the Safari menu in the top left corner, open Preferences, then click the General tab.

Change your homepage and remove http://www.weknow.ac/search/?as….
Enter a web page address in the Homepage field, or click Set to Current Page to use the web page you are currently viewing.

Remove WeKnow browser extension

Open the Safari menu, open Preferences > go to Extensions

Remove all adware extensions installed by weknow.ac, such as PlayerWeb, MyShopCoupon+ and AnySearch. Click Uninstall to remove the adware extensions and weknow.ac search provider from Safari. Remove all extensions listed in Safari if you never had installed an extension Safari.

Remove weknow.ac – Google Chrome Mac

You can reset your browser settings in Chrome any time. You might need to do this if weknow.ac has changed your settings without your knowledge. Your saved bookmarks and passwords won’t be cleared or changed.

1. Open Chrome.
2. In the top right, click the Chrome menu .
3. Click Settings.
4. At the bottom, click Show advanced settings.
5. Under the section “Reset settings,” click Reset settings.
6. In the box that appears, click Reset.

Remove weknow.ac – Mozilla Firefox Mac

You can reset your browser settings in Firefox any time. You might need to do this if weknow.ac has changed your settings without your knowledge. Your saved bookmarks and passwords won’t be cleared or changed.

1. Open the Firefox browser.
2. On the address field, type in about:support and hit Enter.
3. Click Reset Firefox button.
4. A window will appear showing the details of this action.
5. Click Reset Firefox button.
6. Click Done.

Use Combo Cleaner to remove adware

Download Combo Cleaner.

• Double-click the downloaded file.
• In the opened window drag and drop the Combo Cleaner icon onto the Mac application's icon.

• Open Launchpad and click on the Combo Cleaner icon.
• Wait until the antivirus engine downloads it's virus definition updates.

• Click "Start Combo Scan”.

Remove malware, viruses and adware with Malwarebytes

Malwarebytes for Mac is a free tool that scans for and removes threats that attack your system or your data, introduce unwanted behaviors, and degrade performance. Making your Mac, once again, your Mac.

Download Malwarebytes for Mac

Before installing Malwarebytes for Mac you need the following specifications, MacOS 10.10 or higher and a working internet connection for product and malware definition updates.
Hardware specifications; Core 2 Duo CPU or faster with 2 GB RAM, 40 MB free hard disk space and an 800x650 minimum screen resolution.

Install Malwarebytes for Mac, follow installation instructions. After installation turn on protection.

In order to protect your Mac against malware, Malwarebytes wants to install a system extension. Click the "Open Security Preferences" button to allow Malwarebytes.

In the "Security & Privacy" settings on your Mac, click Allow to install Malwarebytes properly.

Malwarebytes is successfully installed and activated for a 30-day trial license including real-time protection.
Click Done to continue.

In the Malwarebytes dashboard, click "Scan now" to launch a malware scan on your Mac. The time it takes to perform a malware scan with Malwarebytes is around 1-2 minutes for Mac.

In the scan overview, you see a summary of the malware found by Malwarebytes on your Mac. Click "Confirm" to start the malware removal on your Mac.

Malwarebytes wants to reboot your Mac to complete the removal process, reboot your Mac. The malware is now removed from your Mac and the Mac is protected against future adware and malware infections.

Malwarebytes for Mac Features

Cleans infected Mac from Adware, Potentially Unwanted Programs and malware such as Ransomware (yes, it exists for Mac), Spyware, Viruses. Prevents Mac virus, spyware, and malware infections from drive-by infections or Pay Per Install download managers.

Proactively blocks adware and unwanted programs from infecting you Mac and Browser. No more toolbars, pop-up redirects and browser hijackers. Update to the latest Malwarebytes protection automatically. The latest updates are protecting your Mac computer daily from the newest infections. Free and fully to use 30 days trial in the premium license. Malware removal is always free with Malwarebytes for Mac.

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