Safari, chrome time cannot access most of the sites on my MacBook Air

All of a sudden since the morning of today I can access most of the sites except Google, Facebook, and LinkedIn. Safari and chrome have the same problem. I tried to empty cache, remove extensions, change dns 8.8.8.8 in Network preferences, but nothing seems to work. can someone please advice what to do.

I have OS X Yosemite with Safari 9.0.2

Thank you!

You may have installed one or more variants of the malware "VSearch' ad-injection. Please backup all data, and then follow the instructions from Apple Support to remove it.

If you have problems with these instructions, or if they do not work, see below.

Malware is constantly evolving to work around defenses against it. This procedure works now, I know. It will not work in the future. Anyone finding this comment a couple of days or more after it was published should look for a more recent discussion, or start a new one.

VSearch malware tries to hide by varying names of the files it installs. To remove it, you must first identify the naming model.

1 triple - click on the line below on this page to select, then copy the text to the Clipboard by pressing Control-C key combination:

/Library/LaunchDaemons

In the Finder, select

Go ▹ go to the folder...

from the menu bar and paste it into the box that opens by pressing command + V. You won't see what you pasted a newline being included. Press return.

A folder named "LaunchDaemons" can open. Search inside the two files with the names of these forms:

com.something.daemon.plist

com.something.Helper.plist

com.something .net - preferences.plist

com.something.Preferences.plist

Here, something is a variable character string, that may be different in each VSearch infection. So far it has always been an alphanumeric string without punctuation signs, such as the 'cloud', 'point,' 'Highway', 'underwater', or 'trusteddownloads.' Sometimes, it's an empty string like 'e8dec5ae7fc75c28' instead of a Word. Sometimes, the string is "Apple", and then you must be particularly careful not to delete the wrong files, because many built-in OS X files have similar names.

You may have more than one copy of the malware, with different values of something.

There may be one or more files with the name of this form:

com.somethingUpd.plist

where something may be a different meaning empty string in other files. Yet once, there may be more than one file of this type, with different values of something.

Here's a specific example of an infection VSearch:

com.disbalance.daemon.plist

com.disbalance.Helper.plist

com.thunderbearerUpd.plist

You will have files with similar names, but probably not identical to these.

2. If you find such files, let the open LaunchDaemons folder and open the file following the same way:

/Library/LaunchAgents

In this case, there may be a file named

com.something.agent.plist

where the channel something is the same as before.

If you feel confident that you have identified the above files, back up all data, and then drag the files - nothing - to the trash only. You may be prompted for administrator login password. Close the Finder Windows, and then restart the computer.

Do not delete the folder 'LaunchAgents' or 'LaunchDaemons' or anything else inside either.

3 reset the home page in each of your browsers, if it has been modified. In Safari, first load the desired home page, then select

▹ Safari preferences... ▹ General

and click on

Set on the current Page

The malware is now permanently inactivated, as long as you reinstall it never. You can stop here if you want, or you can delete the other two components for completeness.

4. This step is optional. Open this folder:

/Library

It may have subfolders that are named as follows

something

somethingUpd

where something is one of the channels that you have seen before. Drag all these subfolders to the trash, and then close the window.

Do not delete the folder "Library" or anything else inside.

5. This step does not apply to the OS X 10.11 ("El Capitan") or later and it is optional if you are using an older version of Mac OS X.

In this folder:

/System/Library/Frameworks

There may be an element named exactly

v.Framework

either a named item

Something.Framework

Again, something is the same string as before.

This item is actually a file, although it has a different icon than usual. Drag it to the trash, and then close the window.

Do not delete the folder "Frames" or anything else inside.

6. If you do not find the files or you are not sure about the identification, after what you have found.

If in doubt, or if you have no backups, change nothing at all.

7. the penalty may have started when you have downloaded and run an application called "MPlayerX." It is the name of a legitimate free movie actor, but the name is also used fraudulently to distribute VSearch. If there is an element with that name in the Applications folder, delete it. I do not recommend to install the genuine "MPlayerX", because it is hosted on the rogue 'SourceForge' site and is bundled with other malware.

This Trojan horse is often found on the illegal Web sites that traffic in content such as movies pirated. If you, or anyone else who uses the computer, visit these Web sites and follow the instructions to install the software, you can expect more of the same and worse, to follow. Never install software that you downloaded from a bittorrent, or which has been downloaded by someone else from an unknown source.

In the aspect of security & confidentiality of system preferences, select the general tab. The marked anywhere radio button should not be selected. If this is the case, click the lock icon to unlock the settings, and then select an other keys. After that, do not ignore a warning that you are about to run or install an application from an unknown Director.

Then, still in system preferences, open the pane of the App Store or software update and check the box marked

Install the system data files and security updates (OS X 10.10 or later version)

or

Automatically download the updates (OS X 10.9 or earlier version)

If it is not already done.

Tags: Mac OS & System Software

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