Questions tagged [anti-virus]

software used to prevent, detect and remove malware such as computer viruses, computer worms, trojan horses, spyware and adware.

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votes
3answers
37k views

How to open files from unknown developers without a warning in OSX?

I believe I have too much security on my mac. Whenever I try changing a file name or install a program I have to enter my laptop's password. Moreover, I cannot quickly access downloaded programs ...
2
votes
2answers
149 views

Antivirus that runs only by request

I just want a lightweight antivirus for my Mac that doesn't keep running on background but only scanning a file by request. Is there any?
4
votes
4answers
184 views

When running a virtualized operating system on my Mac, is it important to have anti virus software?

Just curious if it is important to have anti virus for a virtualized operating system I got to thinking, that operating system is actively connecting to the Internet, so I thought maybe it had ...
1
vote
1answer
310 views

Does Sophos Antivirus work correctly on Lion with (legacy) FileVault enabled?

Some time ago, I installed Sophos Antivirus on my Macbook Pro running Snow Leopard and came up against the "computer stops responding after reboot, with Sophos Antivirus installed and FileVault ...
4
votes
3answers
564 views

Is antivirus software a necessity with the “rise” of MacDefender and others?

I have heard broadly about the so-called "rise" of the Mac viruses. Apparently, there is a "whole new deluge" of Mac viruses. So far, I have gotten nothing that I can see. But I'm beginning to wonder ...
2
votes
3answers
15k views

Manually cleaning up a threat detected by Sophos Anti-virus?

I was viewing another answer on this website and one of the links lead me to a malicious website. I have Sophos Antivirus installed, and a warning immediately popped up telling me that a threat was ...
3
votes
1answer
42 views

SophosAV slows the dictionary pop-up

I've got the virus scanner from Sophos installed on my Mac with on-access-scan enabled. The on-access-scan delays the dictionary pop-up for several seconds for every first prompt after boot up. You ...
1
vote
0answers
70 views

Malware warnings - cause for concern?

I'm fairly sure I know the answer to this, but wanted to confirm - I was doing work on a customers site, and ran into a Google flag for malware (site includes portions from a site beginning proto... ...
3
votes
5answers
1k views

Why does OS X warn me before running an app downloaded from the Internet?

I'm always hearing that there is practically no malware threat in Mac OS: clearly claims that there is no Mac malware are exaggerated, but the received wisdom is that they are a negligible threat and ...
2
votes
1answer
2k views

How to delete Windows “locked” files?

My friend gave me a USB key that has Windows Viruses on it. On my mac, when I try to delete them it fails and tells me that those files are "locked". I ran an anti-virus, which also was unable to ...
2
votes
1answer
746 views

ClamXav not protecting against Malware and Trojans, what to do

Possible Duplicate: Anti-virus comparison for Mac OS X I am using ClamXav for protecting my Mac from Antivirus. But I don't think that it protects from Malware, Spyware, or Trojans. So, what ...
2
votes
2answers
327 views

Active monitoring and scheduled scanning in ClamXav?

I want to use an antivirus app on my Mac, and I heard that ClamXav is a good one to use. However, I'm not sure how to use it. All previous anti-virus scanners that I have used have two main features: ...
9
votes
5answers
2k views

Anti-virus comparison for Mac OS X

This is not a "I use OS X, do I need Anti-Virus?" question. I am looking at comparison and user opinion of existing AV products. I know I can avoid most (if not all) threats by being careful on the ...
50
votes
11answers
4k views

Is it generally advisable to get anti-virus software for Mac OS X?

Is it worth to buy an anti-virus software for Mac OS X? I heard both opinions like "it's not possible to get a virus on Mac OS X" and "Mac OS X is also vulnerable against virus... " Which is true? ...