Safrai has a virus

My safari is running very slow and at times will not open many webbpages. I think I might have a virus. Is there any way to check for a virus?

You don't have a virus.
If Safari is getting very slow:
(Presumably you regularly empty your Safari cache by deleting the following file:
Home/Library/Caches/com.apple.Safari/cache.db
and clear your History)
Adding Open DNS codes to your Network Preferences, should give good results in terms of speed-up* as well as added security, (including anti-phishing and redirects) (Full information about Open DNS is here: http://www.opendns.com/home-solutions and here: http://www.opendns.com/technology/opendns-vs-google-public-dns/ )
and further independent information can be read here:
http://reviews.cnet.com/8301-13727_7-57338784-263/free-dnscrypt-tool-enhances-ma c-web-security/?tag=mncol;txt
and here:
http://www.macworld.com/article/1146064/troubleshootdns.html?t=234
* as confirmed by: http://lifehacker.com/5835775/google-dns-and-opendns-users-are-getting-a-web-spe ed-boost
and Apple:
http://support.apple.com/kb/TS3408?viewlocale=en_US
but results may vary depending on where you are located.
If you are using a single computer: Open System Preferences/Network. Double click on your connection type, or select it in the drop-down menu, and in the box marked 'DNS Servers' add the following two numbers:
208.67.222.222
208.67.220.220
(You can also enter them if you click on Advanced and then DNS)
Sometimes reversing the order of the DNS numbers can be beneficial in cases where there is a long delay before web pages start to load, and then suddenly load at normal speed:
http://support.apple.com/kb/TS2296
If your computer is part of a network:please refer to this page: http://www.opendns.com/start/best_practices/#your_network and follow the advice given.
If you use a Router, make sure it has the latest firmware installed.
One reason for a slowness in page loading may be the 'DNS Pre-fetching' feature of Safari 5.x onwards as is described here:
http://support.apple.com/kb/TS3408?viewlocale=en_US
You can cancel DNS pre-fetching by going to Terminal and typing:
defaults write com.apple.safari WebKitDNSPrefetchingEnabled -boolean false
You have to restart Safari for it to take effect.
If Safari seems to hang for ages:
If you have a lot of tabs open and/or a lot of pages running Flash, Safari can sometimes 'hang', requiring a restart of Safari. This can often be inconvenient, and as it is rarely Safari itself that is hanging but merely one of its plug-ins, usually Flash, there is a way using Terminal to restart the plug-ins (without restarting Safari and losing your tabs) by quitting the WebPluginHost process:
Open the Terminal from the Utilities folder in /Applications and type
killall -9 WebKitPluginHost
Note that this command kills all Safari plug-ins, not just Flash. All plug-ins should start back up when you reload the page.
Then go back to Safari and refresh any pages that were using the Flash plug-in. This also fixes the Beachball of Death. Try this whenever Safari gets slow or freezes. The later versions of Flash 10.1 onwards appear to have improved the situation somewhat, but haven't completed eliminated it.
For this and other reasons Apple switched their websites to HTML5 in January 2011:
http://www.appleinsider.com/articles/11/01/26/apple_revamps_its_public_website_u sing_html5.html
For Snow Leopard/Lion users this should also be read:
http://support.apple.com/kb/TS3408

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My mac has a virus yes I'm 100% sure it is one i get al kinds of pop ups only in safari though please guide me on how to reset it or where to go from here in detail new to macs

My mac has a virus yes I'm 100% sure it is one i get all kinds of pop ups only in safari though please guide me on how to reset it or where to go from here in detail im new to macs

Please post a screenshot that shows what you mean. Be careful not to include any private information.
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Try using search next time... this gets asked way too frequently.

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tt2

My mac book air has a virus which is creating a lot of issues...how do i get rid of it? is there a free software to detect it and remove it?

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In the Security & Privacy pane of System Preferences, select the General tab. The radio button marked Anywhere should not be selected. If it is, click the lock icon to unlock the settings, then select one of the other buttons. After that, don't ignore a warning that you are about to run or install an application from an unknown developer.
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Install system data files and security updates (OS X 10.10 or later)
or
Download updates automatically (OS X 10.9 or earlier)
if it's not already checked.

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What makes you ask? Are you having a problem that you believe is due to some kind of malware? If so, what is that problem? Describe the symptoms in detail... they're probably not due to malware, so knowing what is going on is important.
If you're just curious about protecting yourself against malware, see my Mac Malware Guide.
(Fair disclosure: I may receive compensation from links to my sites, TheSafeMac.com and AdwareMedic.com, in the form of buttons allowing for donations. Donations are not required to use my site or software.)

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Thank you.
Ben

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hello
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It's not a virus, and there is no reason to download anything. It's a Web scam that only affects your browser, and only temporarily. There are several ways to recover.
1. Some of those scam pages can be dismissed very easily. Press the key combination command-W to close the tab or window. A huge box will pop up. Press the return key and both the box and the page will close. If that doesn't happen, continue.
2. Press and hold command-W. You may hear repeating alert sounds. While holding the keys, click the OK button in the popup. A different popup may appear, which you can cancel out of as usual.
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Close the malicious window or tab.
Re-enable JavaScript and close the preferences dialog.
4. If the Preferences menu item is grayed out, quit Safari. Force quit if necessary. Relaunch it by holding down the shift key and clicking its icon in the Dock. None of the windows and tabs will reopen.
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dragonfire6928 wrote:
My laptop has a virus on it and its called AntiVirus 360. I looked up on google what it is and its a virus that disguises itself as a program to help detect viruses when itself is the virus. I've tried many different programs to try and delete it off my computer but nothing seems to work. I also read that sometimes this virus can appear to have been deleted but then when you reboot the computer it re-installs itself. How can I get rid of it completely and permenantly? I have a friend that works at Best Buy and he said you guys could repair it but it costs about $200. I didn't know if there was anything else I could try that you know of. Please help because it keeps messing with my internet pages and is making my computer slower than it should be.
Thank you for your time!
Stuff like that is better known as "spyware/malware" - There are categories of malware not consider viruses (although often they are installed by a virus as a larger payload).
I would suggest trying Malwarebytes. If Malwarebytes can't fix it, your best bet is probably to nuke and repave. (i.e. backup your data files and then reinstall Windows and all applications from scratch.)
*disclaimer* I am not now, nor have I ever been, an employee of Best Buy, Geek Squad, nor of any of their affiliate, parent, or subsidiary companies.

Safrai has a virus

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