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

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0answers
13 views

please suggest reliable and affordable internet antivirus [on hold]

We have Lenovo G510 with Windows 8.1. As an antivirus, we're using McAfee, which is costly ($79 a year). Do we have some other good, reliable and more affordable internet antivirus protection software ...
277
votes
17answers
228k 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 ...
2
votes
2answers
409 views

why settings automatically change to “Hide protected operation system files”

I have BitDefender (With last update) on my Windows-7. I want to see hidden files, so from Tools > Folder Options > View , I change the settings as below, and click on OK: But I can't see ...
24
votes
2answers
4k views

Found new malware not detected by antivirus. How to evaluate the threat?

On a Windows 7 workstation running an up to date antivirus suite (Kaspersky) I found several suspicious processes. To look at the process activity I used the excellent ProcessMonitor from ...
0
votes
0answers
20 views

Whitelist VBScript files for Windows Defender

I've got a ton of VBScript files acting as the glue in my custom workflow set-up. Since upgrading to Windows 8.1, I've found Windows Defender to scan the execution of my custom scripts as well. I ...
-1
votes
1answer
36 views

Windows 8.1-virus at user sign in screen

Running Windows 8.1 on my new Lenovo laptop, with ESET Smart Security installed. When I first turned on my computer, in addition to the usual profile name of my laptop computer, two new unidentified ...
-1
votes
0answers
32 views

Windows Defender: Disable real time; keep scheduled and on demand scanning

I just upgraded to Win 10 (RTM build). I have disabled the built in AV's (Defender) real time protection because I do not run it, never did and have never gotten a virus (and I've had a computer for ...
0
votes
1answer
27 views

Norton Security disables Windows Firewall

I want to re enable windows firewall but Norton also seems to have disabled the firewall control panel button " turn windows firewall on or off." What do I do?
0
votes
0answers
24 views

Why computer prints random characters if I print more than 5 pages?

Why computer prints random characters if I print more than 5 pages? Whenever I want to print a lot of pages, the printer prints the first 5 pages correctly, but them goes on a rampage an prints non ...
1
vote
1answer
28 views

Is browsing the internet during windows update or an antimalware scan safe?

Over 15 years ago (around 2000), my father never allowed me to use the computer while he was running a virus scan or Windows Update. Can I safely use Google Chrome for normal internet use (Youtube, ...
0
votes
2answers
8k views

Is running windows defender with malwarebytes safe?

In previous versions of windows, windows defender could safely be run with any other AV. However, with Windows 8, Windows Defender is essentially MSSE, which is an actual AV. Can they be run together ...
0
votes
1answer
117 views

Windows defender virus & spyware definition not updating - Windows 8.1

An error with error code 0x8024402c is thrown each time while trying to update Windows Defender's virus & spyware definition. Checked the following for diagnosis, don't see any issues; No ...
0
votes
1answer
674 views

Prevent McAfee Security Scan Plus from installing - ever [duplicate]

Whenever Flash updates, some colleague or friend keeps pressing OK, and without noticing, McAfee Security Scan Plus is installed (and it happened to me several times as well). Then, after a while, a ...
1
vote
4answers
6k views

Folders are hidden after scanning from Quickheal antivirus

Today when I scanned my pendrive with Quickheal antivirus it detected some virus but it also made hide all folders. All the folders are present in that usb drive as it is showing the same file size ...
7
votes
1answer
3k views

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

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 ...
-1
votes
1answer
56 views

Avira AntiVir Personal Uninstall

I am a user of a (cracked or something) Avira antivirus but yesterday I decided to replace it with another antivirus. I tried to uninstall this Avira with the traditional way (Control Panel -> ...
25
votes
4answers
25k 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, ...
0
votes
0answers
12 views

Better understanding program detected as virus w/ sandbox

My AV solution detected a program as a virus. Can someone point me in the right direction to learn more about the following points? 1) What exactly about the program was determined as the triggering ...
0
votes
3answers
1k views

Reduce CPU consumtion of Avira Antivirus on Windows?

I'm using Avira AntiVirus on an old Windows XP (home edition) PC. Since they launched the new version last year it consumes a lot of CPU. Are there any settings to reduce that consumtion? There are ...
0
votes
0answers
36 views

How can I tell if antivirus is causing performance issues for CPU intensive tasks on a machine?

My company publishes simulation software that regularly performs prolonged CPU (and GPU, and occasionally I/O) intensive tasks. Our userbase are engineers, of whom some are embedded in large ...
0
votes
1answer
129 views

Is “youtubeBRwatch.com.exe” a Virus?

I am running Norton AntiVirus on my MacBook Pro with OSX 10.6.7. Today (26 May 2011) Norton reported that the computer was infected with virus "youtubeBRwatch.com.exe," which it had "safely ...
0
votes
3answers
46 views

Dealing with infected HDDs without getting infected [closed]

I'm doing some PC maintenance/repair for some clients, sometimes I have to deal with HDDs to recover lost data, or even backup. The problem is that most of them are infected with different malware ...
0
votes
0answers
87 views

Virus hijacking computer and network - what to do? [duplicate]

A few days ago I started having trouble with this virus that would infect my browsers and display ads. I've ran through various antimalware and antivirus software but to no avail. Went through a ...
0
votes
0answers
19 views

microsoft system center endpoint protection doesn't run when logged out

I have a stand-alone version of Microsoft System Center Endpoint Protection installed on the Windows 7 machines in my shop. On at least one machine, SCEP does not do its scan when the machine is not ...
3
votes
2answers
2k views

How do I make Windows XP recognize EXEs again?

I've got a virus "first" here. Basically a friend had gotten his system severely infected. He had 8 different viruses, and 157 different pieces of spyware (most of it likely replicated, but still). ...
1
vote
4answers
557 views

Does Windows need a 3rd party antivirus program?

My Windows 7 is alerting me to "Find an antivirus program online - Windows did not find an antivirus program on this computer." Do I really need such a program, or Windows is good enough as it is if ...
0
votes
0answers
22 views

Will it count as a new activation for Kaspersky if I clean system registry?

I have a Kapsersky PURE 3.0 license for 3 computers and 1 year. Now, PURE became Total Security Multi-Device, so I am using it instead of PURE. I already installed and activated it at two computers, ...
1
vote
1answer
45 views

Bitdefender license [closed]

I have bought Bitdefender Internet Security 2015 and it is shipped with a license to install it on 3 PCs. I only have 2 PCs: A laptop and a desktop computer, so my question is: Can I give away the 3rd ...
0
votes
1answer
50 views

I'm receiving Flash install popups intermittently when navigating in Chrome browser

I practice very safe security measures. I run Windows 7 Ult 64-bit. This question refers to fake Adobe Flash Upgrade popups on Chrome. I know these popups are malware so I don't click on them. ...
1
vote
1answer
54 views

In which Windows startup mode should I scan for adware? [duplicate]

I think my Acer Windows 7 64-bit PC is infected with adware because even though I customize my browser settings within seconds it changes to the previous setting. Also the message Not Responding shows ...
2
votes
2answers
109 views

Norton Enterprise Won't Uninstall?

I'm trying to uninstall Norton Enterprise on Windows 7. I ran the Norton uninstaller (the full uninstall), but it's interfering with my Kaspersky 6.0 installation. I've rebooted, but it's still listed ...
6
votes
1answer
436 views

Antivirus in Windows 8

I have been using Windows 8 for a while, and I have just remembered that I did not install any antivirus software. To my surprise, I don't think Windows 8 has ever shown any of the usual nag popups ...
4
votes
4answers
26k views

Is it okay to run Windows Defender and another antivirus program at the same time?

We all know that it isn't recommended to run more than one antivirus program at a time. But since Windows Defender comes with Windows, is it safe to have it and another antivirus program (AVG, Avast) ...
0
votes
3answers
5k views

does a windows 8.1 tablet require an antivirus/antispyware program?

I am helping a friend with setting up a Dell Venue 8 tablet. It has Windows 8.1. My friend seems to think that it requires antivirus protection. I honestly did not know the answer to this. I thought ...
1
vote
1answer
96 views

Bootscan after virus find without log files update?

During a quick search avast found and removed a virus on my PC (Win32:Ramnit-DO). After that it I updated the software (today an update came out) and it wanted to do a reboot to make a bootscan which ...
0
votes
1answer
1k views

How to backup Avira virus definitions?

Where are the Avira antivirus virus definitions stored? Is it possible to take a backup? Because if it is possible I won't need to download again on next installation(in case of system format). ...
1
vote
1answer
330 views

Got ransomware and Shadow explorer dont work

I got infected by the CTB Locker and probably I have removed the virus itself. But the files all got polluted. I tried to use shadow explorer but it shows all blank in CDEF any drives and got no dates ...
1
vote
2answers
160 views

How to quit Avast temporarily?

I know how to shut-down Avast's shields (the options range from disable for 10 minutes to disable permanently). However, just a few minutes ago, the process AvastSvc*32.exe started consistently ...
1
vote
2answers
38 views

How could an old worm infect my computer on VMWare?

My current computer is on Windows 8.1, and using Norton. I've started to gain interest in old viruses, and therefor I've created an virtual machine using a software called VMWare (Workstation 11) ...
2
votes
2answers
74 views

Eset Smart security finds my hosts file as threat and quarantines it

Everytime I edit my hosts file, Eset Smart security finds my hosts file as threat and quarantines it. It says the host files is a Qhost trojan. What should I do?
0
votes
0answers
221 views

System Restore error 0xc0000225 due to Anti Virus Update 0x80070005

Really need some advice, as I don't know what to do now! I was using my computer as normal and had an Avast Anti Virus message pop up along the lines of, "Avast update restart computer?" I clicked on ...
0
votes
0answers
127 views

Bitdefender doesn't load My Bitdefender

I have just installed the Bitdefender Antivirus free edition on my pc( Win 7 Ultimate 64bit). Now, when I try to load My Bitdefender page, it doen't load, instead it shows that "You need to have java ...
0
votes
1answer
124 views

Virus changed folder to executable

I loaned my flash drive to someone who used said drive on a Windows machine infected with a virus. My flash drive subsequently got infected with a virus that changes folders to executables. Research ...
0
votes
2answers
916 views

How does Avast’s HTTPS scanner work?

Looks like the latest version of Avast antivirus includes an HTTPS scanner, source. How is this feature implemented? As a browser plugin?
4
votes
1answer
52 views

Is MS Anti-Malware Service useful if already running an anti-virus? [closed]

Is Microsoft's Anti-Malware Service (http://www.microsoft.com/security/pc-security/malware-removal.aspx) useful when running a 3rd party anti-virus, or is it redundant and will it just slow things ...
1
vote
0answers
102 views

ClamAV shows errors found, but how to find out what they are?

Amazon includes clamav-0.98.4 in its AMI version 2014.09.1 so I installed it and gave it a try on one of my EC2 instances. After updating the definitions with freshclam, I've performed a scan with ...
3
votes
2answers
3k views

How do I disable Windows 7 PatchGuard?

A quick search took me to some sites which provide a driver to disable it. However, they don't look trustable and I'd not want to install a rootkit. What are some trustworthy options of disabling ...
3
votes
1answer
1k views

ekrn.exe is constantly writing to my HDD

I installed Windows 7 about five days ago, and I realized that the system is constantly using my HDD. I turned off file indexing, and every other services, without any effect. Now I downloaded ...
1
vote
1answer
39 views

Not able to delete a program

I am using a netbook of samsung with windows 7 starter service pack 1 32 bit. I am exhausted with a program known as 'Plugin.exe' i don't know how it came but whenever i start my program it opens up ...
0
votes
2answers
83 views

Windows 7 Home Premiume error 2203

Running Windows 7 Home Premium. I'm trying to install turbo tax and my computer will not allow, in fact I haven't been able to either download or install anything for several months now. I read prior ...