How to get rid of a virus

whenever I open my Safari, a new window opens with the following announcement: your computer could be threatened by viruses and malware. These programs are often installed on your computer without your knowledge, then the adult or the torrent of the navigation to related sites.

He also noise and I can't get rid of...

I look book mac OS X Yosemite Version 10.10.5 (I searched for updates and installed all the)
I have also attached a picture of the ad.

I don't know if it's relevant, but I parallel windows.
When did start? I tried to watch a movie a few days ago and the site tells me I have to install something in order to watch it, I was stupid and did and since the mac had crazy.

can you help me please?

Thank you

NRS.

Use Malwarebytes Anti-Malware: http://www.adwaremedic.com/index.php

You can also remove the adware manually by following the steps provided by Apple: https://support.apple.com/en-us/HT203987

After that, make sure that your default search provider is set to the one you always use. To do this, open Safari - Preferences - research.

Go to the Safari menu (at the top right of your screen next to the Apple icon), choose 'Quit Safari'

Press the "Shift" key and while holding this button on your unique keyboard, click the icon of Safari on your Dock.

Open Safari - Preferences - Privacy - data to remove any Web site.

Also, I think it would be a good idea to install AdBlock.

Tags: Mac OS & System Software

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    2 have you made any changes to the computer before the show?

    3. did you run any online scanners to remove infections?

    4. What is the antivirus installed on the computer program?

    Method 1: Run a scan antivirus on your computer.

    www.Microsoft.com/Security/Scanner

    Note: If infections are detected during the scan, there is a risk of data loss because infected files will be deleted.

    Method 2: Safe mode with networking

     

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    Networking Mode safe mode starts Windows in mode safe mode and includes the network drivers and services needed to access the Internet or other computers on your network.

    A description of the options to start in Windows XP Mode

     

    Step 2: Put the computer in a State of boot is a way to know which application is causing this problem.

    To help resolve the error and other messages, you can start Windows by using a minimal set of drivers and startup programs. This type of boot is known as a "clean boot". A clean boot helps eliminate software conflicts.

    Put your boot system helps determine if third-party applications or startup items are causing the problem. If so, you need to maybe contact the manufacturer of the program for updates or uninstall and reinstall the program.

    Step 1: Follow the steps in the link below to do the same thing:

    How to configure Windows XP to start in a "clean boot" State

    Note: After troubleshooting, be sure to set the computer to start as usual as shown here:

    Step 2: To configure Windows to use a Normal startup state

    After you have used the boot is a way to solve your problem, you can follow these steps to configure Windows XP to start normally.

    1. Click Start and then click Run.
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    3. Click the general tab, click Normal Startup - load all services and device drivers and then click OK.
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    Method 3:

    Create a new user account and verify if you are able to access the program in the start menu.

    Try to connect with a different user has administrator rights account and then create a new user account.

    For more information, see these links:

    How to create and configure user accounts in Windows XP

    How to copy data from a corrupted to a new profile in Windows XP user profile

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    You should check with the manufacturer of your antivirus program support, their online
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    ---------------------------------------------------------------------------------------------------------------------

    If you need search malware here's my recommendations - they will allow you to
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    extreme overkill point and then run the cleaning only when you are sure that the system is clean.

    It can be made repeatedly in Mode safe - F8 tap that you start, however, you must also run
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    TDSSKiller.exe. - Download the desktop - so go ahead and right-click on it - RUN AS ADMIN
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    http://support.Kaspersky.com/viruses/solutions?QID=208280684

    Download malwarebytes and scan with it, run MRT and add Prevx to be sure that he is gone.
    (If Rootkits run UnHackMe)

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN

    Malwarebytes - free
    http://www.Malwarebytes.org/products/malwarebytes_free

    SuperAntiSpyware Portable Scanner - free
    http://www.SUPERAntiSpyware.com/portablescanner.HTML?tag=SAS_HOMEPAGE

    Run the malware removal tool from Microsoft

    Start - type in the search box-> find MRT top - right on - click RUN AS ADMIN.

    You should get this tool and its updates via Windows updates - if necessary, you can
    Download it here.

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN
    (Then run MRT as shown above.)

    Microsoft Malicious - 32-bit removal tool
    http://www.Microsoft.com/downloads/details.aspx?FamilyId=AD724AE0-E72D-4F54-9AB3-75B8EB148356&displaylang=en

    Microsoft Malicious removal tool - 64 bit
    http://www.Microsoft.com/downloads/details.aspx?FamilyId=585D2BDE-367F-495e-94E7-6349F4EFFC74&displaylang=en

    also install Prevx to be sure that it is all gone.

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN

    Prevx - Home - free - small, fast, exceptional CLOUD protection, working with others
    security programs. It is a single scanner, VERY EFFICIENT, if it finds something to come back
    here or use Google to see how to remove.
    http://www.prevx.com/   <-->
    http://info.prevx.com/downloadcsi.asp?prevx=Y  <-->

    Choice of PCmag editor - Prevx-
    http://www.PCMag.com/Article2/0, 2817,2346862,00.asp

    Try the demo version of Hitman Pro:

    Hitman Pro is a second scanner reviews, designed to save your computer from malicious software
    (viruses, Trojans, rootkits, etc.). who infected your computer despite safe
    what you have done (such as antivirus, firewall, etc.).
    http://www.SurfRight.nl/en/hitmanpro

    --------------------------------------------------------

    If necessary here are some free online scanners to help the

    http://www.eset.com/onlinescan/

    -----------------------------------

    Original version is now replaced by the Microsoft Safety Scanner
    http://OneCare.live.com/site/en-us/default.htm

    Microsoft safety scanner
    http://www.Microsoft.com/security/scanner/en-us/default.aspx

    ----------------------------------

    http://www.Kaspersky.com/virusscanner

    Other tests free online
    http://www.Google.com/search?hl=en&source=HP&q=antivirus+free+online+scan&AQ=f&OQ=&AQI=G1

    --------------------------------------------------------

    After the removal of malicious programs:

    Also follow these steps for the General corruption of cleaning and repair/replace damaged/missing
    system files.

    Start - type this into the search-> find COMMAND to top box and RIGHT CLICK-
    RUN AS ADMIN

    Enter this at the command prompt - sfc/scannow

    How to analyze the log file entries that the Microsoft Windows Resource Checker
    (SFC.exe) program generates in Windows Vista cbs.log
    http://support.Microsoft.com/kb/928228

    Run checkdisk - schedule it to run at the next startup, then apply OK then restart your way.

    How to run the check disk at startup in Vista
    http://www.Vistax64.com/tutorials/67612-check-disk-Chkdsk.html

    -----------------------------------------------------------------------

    If we find Rootkits use this thread and other suggestions. (Run UnHackMe)

    http://social.answers.Microsoft.com/forums/en-us/InternetExplorer/thread/a8f665f0-C793-441A-a5b9-54b7e1e7a5a4/

    ======================================

    If necessary AFTER you are sure that the machine is clean of any malware. (DO NOT USE IF)
    MALWARE IS STILL PRESENT).

    You can try a repair install or an upgrade in Place.

    You can use another DVD that aren't copy protected but you you need to own
    Product key. It must be the same version 32 or 64 BIT Vista OEM. Also the system
    machine to usually sell the cheap disk since you already own Windows. Don't forget to make a
    good backup or 3 (security in redundancy).

    On-site upgrade
    http://vistasupport.MVPs.org/repair_a_vista_installation_using_the_upgrade_option_of_the_vista_dvd.htm

    This tells you how to access the System Recovery Options and/or a Vista DVD
    http://Windows.Microsoft.com/en-us/Windows-Vista/what-happened-to-the-recovery-console

    How to perform a repair for Vista Installation
    http://www.Vistax64.com/tutorials/88236-repair-install-Vista.html

    =======================================

    For extreme cases:

    Norton Power Eraser - eliminates deeply embedded and difficult to remove crimeware
    This traditional antivirus analysis does not always detect. Because the Norton Power Eraser
    uses aggressive methods to detect these threats, there is a risk that it can select some
    legitimate programs for removal. You should use this tool very carefully and only after
    you have exhausted other options.
    http://us.Norton.com/support/DIY/index.jsp

    ================================

    If you are in North America, you can call 866-727-2338 for virus and spyware help
    infections. See http://www.microsoft.com/protect/support/default.mspx for more details. For
    international information, see your subsidiary local Support site.

    Microsoft support - Virus and Security Solution Center
    http://support.Microsoft.com/contactus/cu_sc_virsec_master?ws=support#TAB0

    I hope this helps.

    Rob Brown - Microsoft MVP<- profile="" -="" windows="" expert="" -="" consumer="" :="" bicycle="" -="" mark="" twain="" said="" it="">

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