Error: unable to connect to the server 'Err_connection_refused '.

Dear friends!

I use a macbook pro (mid-2012 model year) updated with OS X 10.11.4.

Recently, I am unable to connect to most of the Web sites in nearly all browsers (firefox, google chrome, safari). I am able to open gmail, sites of apple and google start page.

Error message in chrome like "Err_connection_refused".

Error in Safari, as "Safari can't connect to the server.

I tried to delete the browser cache, cookies and even re-installed browsers. But it helps did ' t.

I tried to delete the WiFi under preferences and recreated. Still problem persists.

I am able to display all Web sites in my windows laptop and mobile phones connected to the same WiFi at home.

Above the problem came recently for 1 week. Please suggest a solution.

Kind regards

BALAJI K

You may have installed one or more variants of the malware "VSearch' ad-injection. Please back up all data, and then take the steps below to disable it.

Do not use any type of product, "anti-virus" or "anti-malware" on a Mac. It is never necessary for her, and relying on it for protection makes you more vulnerable to attacks, not less.

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. If this is the case, press the combination of keys command-2 to select the display of the list, if it is not already selected.

There should be a column in the update Finder window. Click this title two times to sort the content by date with the most recent at the top. Please don't skip this step. The files that belong to an instance of VSearch will have the same date of change within about a minute, so they will be grouped together when you sort the folder this way, which makes them easy to identify.

Search in the folder with the name of all these forms:

com.something.daemon.plist

com.something.Helper.plist

com.something .net - preferences.plist

Here, something is a string, which may be different in each instance of VSearch random meaningless. So far it has always been an alphanumeric string without punctuation signs, such as "disbalance" or "thunderbearer."

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.somethingelseUpd.plist

where George can be an empty string of sense that something different. Yet once, there may be more than one file of this type, with different values of Gisele.

Here is a typical example of an infection VSearch:

com.disbalance .net - preferences.plist

com.thunderbearerUpd.plist

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

If you feel confident that you have identified the files above, drag only the files - nothing - to the trash. You may be prompted for administrator login password. Close the Finder window.

2. open this folder as in step 1:

/Library/LaunchAgents

Move to the trash all the files with the name of the form

com.something.agent.plist

where something is one of the strings that you found in step 1. There may be not all of these files.

3. If you have whatever it is moved to the trash in step 1 and step 2, restart the computer and empty the trash.

Do not remove the folder 'LaunchAgents' or "LaunchDaemons", or anything else inside of one or the other, unless you know you have another type of unwanted software and more VSearch. Records are a normal part of Mac OS X. The terms "agent" and "demon" is a reference to a program that starts automatically. This is not inherently bad, but the mechanism is sometimes exploited by hackers for malicious software.

4 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. A few small files will be left behind, but they have no effect, and trying to find all them is more trouble that it's worth.

5. 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.

6. the penalty may have started when you have downloaded and run an application called 'MPlayerX' or "PDF Pronto." If there is an element with a name in the Applications folder, delete it.

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: Notebooks

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