Software for protecting against, detecting, and removing viruses, malware, and other potential threats to a computer system.

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245
votes
16answers
179k views

How can I remove malicious spyware, malware, viruses or rootkits from my PC?

What should I do if my Windows computer seems to be infected with a virus or malware? What are the symptoms of an infection? What should I do after noticing an infection? What can I do to get rid of ...
10
votes
8answers
1k views

Is Anti Virus Software needed for a Mac (OS X); If so free solution? [closed]

I have a MacBook that I use for programming and graduate school work. Since I bought it, I've not given much thought to putting an anti virus on it. I bought it about 6 months ago and for some reason, ...
12
votes
6answers
5k views

Does the Virtual PC XP Mode need safety measures?

Does the Virtual PC XP-Mode (or any other virtualized mode) require safety measures, such as antivirus or a firewall? I'm just wondering if the XP-Mode would be a large security loophole, since it's ...
21
votes
4answers
19k views

Is my host machine completely isolated from a virus-infected virtual machine?

If I am running a Windows 7 virtual machine on a Windows 7 host using VMWare or VirtualBox (or anything else) and the virtual machine is completelly overloaded with viruses and another malicious code, ...
8
votes
3answers
4k views

Does Windows 8 require any sort of Virus protection? [closed]

I have read about how Windows 8 is better and has better built in security... So the question is, do I really need third party Virus protection, or is the built in security good enough?
19
votes
6answers
1k views

Should I worry about malware on Linux? [closed]

I don't run an antivirus on Linux ( most people I don't AFAIK ) and I'm not at all concerned about any form of malware or spyware or any other_bad_ware. Should I by concerned? Of course I don't ...
4
votes
9answers
2k views

Virus protection for flash drives

At school, there is a large network with lots of non-technical minded people and lots of viruses. How can I protect my flash drive from these worms and viruses so I don't bring them home and infect my ...
2
votes
8answers
2k views

Remove Internet Security 2010 virus?

My system is infected with Internet Security 2010. I can't even go to task manager or boot in safe mode. I also can't even run any antivirus programs. Are there any solutions?
1
vote
4answers
167 views

How must I deal with anti-virus software on Windows 7

I know this question is looking like an easy question or not a question at all but it's not really easy question. I'm not related to security and anti-viruses and just don't trust every provided ...
48
votes
5answers
2k views

How do anti-viruses work?

So I was thinking about viruses recently, and wondering how exactly antiviruses keep up? Considering anybody who'd been coding for a few weeks could hack together something do do nasty, nasty things ...
11
votes
4answers
3k views

Recommended offline on-demand virus scanners

I have never run full anti-virus on my Windows XP systems. Instead I use various anti-malware tools to manually perform scans every few weeks. This approach, combined with Windows updates and ...
7
votes
1answer
3k views

How to report a malicious site to Google, Microsoft, Mozilla, etc. so that they will warn users

I completed a project a year ago. Now a few modification were needed. While trying to test the site, there was an index.html file with a malicious script which had an iframe to another site's jar ...
3
votes
2answers
1k views

Antivirus impact on SSD

I've just purchased an OCZ Vertex 2 SSD drive and I'm trying to understand how various pieces of software could impact it. I'm going to be running Windows 7 on it. My current choice of antivirus ...
5
votes
3answers
2k views

Should I enable Firewall and AntiVirus on a VirtualPC VM? [duplicate]

I run W7 64-bit with windows firewall + MSE running, and there is a firewall on my router also. I want to run a VM (probably using VirtualPC which comes free) but I'm unclear if this is guarded by the ...
5
votes
1answer
229 views

Does it make any sense to install anti-virus on Windows XP Mode? [duplicate]

This is almost certainly a dumb question, but... say I have Windows 7, with some anti-virus software installed, and I am using Microsoft's Windows XP Mode to run some legacy applications as well. Is ...
4
votes
4answers
926 views

Why did my friends get spams from my email?

Recently I got an email with subject like "Delivery Status Notification (Failure)". It had been initially sent to my friend's old email account. The content inside that failed email was obviously one ...
1
vote
2answers
6k views

Move Kaspersky Virus Definitions Update to Another Computer

Is it possible to move Kaspersky virus definition to another computer? I have two computers, both PCs, which Kaspersky is installed on. My Internet connection is slow and my Bandwidth is limited. I ...
1
vote
1answer
1k views

Is Microsoft Security Essentials a solid security suite [duplicate]

Possible Duplicate: Would Microsoft Security Essentials be adequate protection? With the release of Microsoft's new Free security suite; Microsoft Security Essentials, the question has to be ...
54
votes
6answers
3k views

Is there a point in installing antivirus on Ubuntu?

I have recently started using Ubuntu. I am wondering about the point of installing antivirus programs on Ubuntu. On SuperUser, I found the opinion that it only detects "windows viruses" and removes ...
4
votes
18answers
885 views

Is free security software as good as paid security software? [closed]

I mostly use free security solutions to protect my home PC, but I wonder if I would get better protection from a paid solution. I prefer the free software, since I can have multiple applications ...
10
votes
1answer
39k views

How to disable/enable Microsoft Security Essentials from the command line?

I would like to know how to disable and enable Microsoft Security Essentials from the command line. This is a common procedure on build machines in order to speed-up the build process.
6
votes
6answers
3k views

Clean up infected computer from viruses [duplicate]

Possible Duplicate: What to do if my computer is infected by a virus or a malware? I have a computer which had AVG Free installed from day one. After several months of operation, it starts ...
5
votes
7answers
571 views

Least disruptive anti virus while working [closed]

Looking for an anti-virus software free or commercial that minimizes the impact on the user when the anti virus is performing a real time scan or when doing a full system scan. Background: At work we ...
3
votes
3answers
3k views

Live CD with good anti-virus software to scan/repair Windows?

I browsed through the archives, and it seems like there's no live CD from which to run a good, up-to-date anti-virus application, at least to check whether a Windows host has been compromised The ...
2
votes
4answers
7k views

After installing Windows what should I do first? update or install antivirus? [closed]

Normally, after reformating and installing Windows 7, I used to go online and install all the updates, install all the driver updates and then install the anti virus. Because long ago, when I ...
8
votes
2answers
455 views

Can I fool Windows into thinking a virus scanner is installed?

I'm trying to allow programmatic access to Outlook without getting an annoying popup. This is configurable under Tools -> Trust Center, however my outlook warns Antivirus Status: Invalid. Which ...
7
votes
4answers
411 views

Is there any 64-bit software for Windows that is much preferable to its 32-bit counterpart in a 64-bit OS?

I was searching for a free 64-bit antivirus, since I read somewhere here on SU that its much better for 64-bit systems than the 32-bit version, I have only found 32-bit versions with 64-bit OS ...
3
votes
3answers
1k views

Installed new Antivirus Software now Computer is extremely slow! Can I fix that?

Yesterday I installed a new Antivirus as my old licence was not valid anymore. I chose the free Avast. Now the pc is extrem slow. It takes about 8 min to start (before with Kaspersky it took 2 min). ...
3
votes
5answers
3k views

I can't open/ping any antivirus sites

I have a problem with a virus in windows 7, I don't know what kind of virus is infected my OS, I installed kasersky antivirus, and clear all detected viruses. After that I can't open any antivirus ...
3
votes
1answer
3k views

Why is it bad to have two anti-virus systems?

Why is it bad to have two anti-virus systems? It could be useful to get better detection rates. In the second post from the top of the page Stranger claims it's not bad to use two antiviruses as long ...
3
votes
5answers
489 views

Cannot uninstall Avast Free Antivirus

Why can't I uninstall Avast Free Antivirus? It always says "there is an error" that occurred and doesn't uninstall the product.
2
votes
0answers
539 views

openSUSE 12 fails to start after installing ESET NOD32

I am using openSUSE 12 (64-bit). I installed ESET NOD32 Antivirus. After installing NOD32, it required a restart. After restarting, the system stays in a loading status, and I get following error ...
1
vote
3answers
3k views

How to format a memory card which is infected by a virus and antivirus is not able to delete it

I've bought a memory card which is recently infected by a virus. I tried to scan it with latest Bitdefender 2014 and Norton 2014 they both failed to delete the virus. Then I deleted the partition and ...
1
vote
3answers
1k views

Windows 8 and Microsoft Security Essentials [closed]

So, I'm about to try Windows 8 Release Preview (I've been using Developer Preview and Consumer Preview), I've heard that Microsoft Security Essentials is built-in. However, should I try to install it ...
1
vote
6answers
1k views

Conficker keeps coming back

I hadn't run into anyone who actually got this virus until recently when dealing with a new client that didn't believe in patching their systems and consquently have been hit with this pest. I was ...
1
vote
2answers
757 views

Windows 7 Symantec Endpoint Protection Problem

In my company, we use symantec endpoint prodection. But i have an update problem like this. How can i solve it? Can Windows 7 block symantec update?
0
votes
2answers
1k views

W32.Sality Virus Cleaning/Disinfecting tool, Please HELP [duplicate]

Possible Duplicate: What to do if my computer is infected by a virus or a malware? Is there any anti virus or tool which cleans or disinfect the w32.Sality virus instead of ...
0
votes
1answer
3k views

Updating Symantec Enpoint Protection's Proactive Threat Protection Without an Internet Connection

I have a computer that is not connected to the Internet. I update Symantec Endpoint Protection's Antivirus and Antispyware Protection manually. The Proactive Threat Protection always says "Waiting ...
-3
votes
2answers
2k views

Skype “haha foto” virus

There is a new Skype worm that is spreading very fast and the detection rates are very low: analisys It creates groups from all your contacts and sends "haha foto" followed by a link. At the time of ...
-4
votes
2answers
142 views

Can computer be safe without antivirus? [duplicate]

I don't like anti-virus much because it slows down my pc so I wonder if Is there any tip to prevent virus's infection without installing anti-virus ?
13
votes
3answers
4k views

How to be certain you don't have a virus when anti-virus scanners find nothing malicious? (Windows 7)

I recently spent many hours troubleshooting a laptop that could not connect to the internet. The laptop exhibited no other unnatural behavior, and so my first thoughts were to try connecting to other ...
9
votes
4answers
17k views

How does the performance of Microsoft Security Essentials compare with other Anti-virus products [closed]

Are there any solid data (i.e. benchmarks) comparing the performance of Windows Security Essentials with other anti-virus products? In particular, I'm interested in how much overhead it imposes on a ...
5
votes
12answers
3k views

Lightweight virus scan for win XP [closed]

I have an older machine (athlon 1500+, 1.5Gb RAM) running XP on which I not currently running an on access virus scanner. I do scheduled scans with clamwin and malware bytes. I would like to find a ...
8
votes
2answers
642 views

What's the difference between “anti-virus”, “anti-malware” and “anti-spyware” tools?

Many products (such as Norton or McAfee) advertise as "anti-virus" tools or suites, while others advertise as "anti-malware" (like Malwarebytes), and even more as "anti-spyware" (Spybot S&D). Are ...
5
votes
5answers
2k views

How can I test my virus scanner?

How can I test several anti-virus programs to determine which performs the best, so that I can writing reviews? Where can I find viruses for tests?
2
votes
4answers
4k views

How to check for false positive?

Looks like I've been infected by a virus, namely NSIS:Downloader-BX [Drp] in file named DpiSca.exe but... I wasn't visiting any usual suspect sites (warez, pr0n etc) and nobody else was using my ...
1
vote
1answer
3k views

Anti-rootkit tool for Windows 7

Which anti-rootkit tool runs under Windows 7? I tried icesword 1.22 and darkspy 1.05 but both failed to start. Icesword gives me this error: Initialize failed[1]! And Windows tells me that ...
1
vote
1answer
198 views

Can Windows based computers ever be secured? [closed]

In light on this excellent article series by Ars regarding the black security work by HBGary - HBGary claims to have coded several rootkits and had access to 0-day exploits that could compromise a ...
0
votes
1answer
128 views

What is the “lightest” -> not messing with system registry antivirus [closed]

I am looking for antivirus for one shot. Just scan every piece of the system and delete the antivirus itself. I know that they are messing with system registry, slow down the system. I want to be sure ...
4
votes
4answers
577 views

Can other Antivirus solutions be used with Windows 8? [closed]

There is built-in AV software in Windows 8, will it will turn itself off when I install antivirus from another vendor? Should I install another AV, or will default one suffice?