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

learn more… | top users | synonyms (1)

0
votes
3answers
2k views

Unable to share internet by using HOSTEDNETWORK after installing AVAST recently

I was able to share my laptop's internet with my smartphone by using this command "netsh wlan start hostednetwork". But when I installed Avast in my Windows 8 OS, I am able to start the hostednetwork ...
2
votes
1answer
2k views

How do I scan a single file with Windows Defender?

The number one way people are used to using virus scanners is by scanning a single file. The number one OS viruses are found on is Windows. Microsoft's official virus scanner, Windows Defender, ...
0
votes
0answers
73 views

OSX yosemite: “communication with avast service failed”

I run Avast Mac Security 2015(version 11.2(45153)) on OS X 10.10.5 When I go to Account and authorize - it says that login to avast is successful but then this window appears: after typing my ...
0
votes
1answer
403 views

Installing nmap and keeping it undetectable

I have a administrative computer fully equipped with antivirus (avg,norton,malbytes. etc) that I want to install ncat(nmap) on and keep it as close to undetectable as possible. How would I do this?
0
votes
0answers
158 views

ProgramData folder huge size

Some of our computers have a very large C:\ProgramData folder caused by Kaspersky Anti-Virus. It creates thousands of log files, size ranging from 200 to 300MB. I delete them every so-often but it is ...
1
vote
1answer
263 views

Is it possible Windows 10 upgrade uninstalled antivirus software?

Was using Trend Micro Titanium. Upgraded from windows 7. Used to see a notification saying Trend Micro was scanning in Windows 7. I haven't seen the notification in a month. Found the installation ...
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 SysInternals....
0
votes
0answers
155 views

Disable process with sc config not allowed

I'm learning penetration testing and tried to disable the watchdog processes of AVG 2015 Antivirus Free on the target PC (Windows XP SP3 running in VirtualBox) with the commands: C:\WINDOWS\system32&...
7
votes
4answers
64k 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
1answer
126 views

Avast on OSX: How to add hidden files and folders as an exception?

I've installed avast from brew cask I'm trying to add /usr/local/share/metasploit-framework folder as an exception for a file system shield. Even though I have "show hidden files" option enabled on ...
1
vote
2answers
55 views

How to connect removable disk to an infected PC

What precautions should I take before connecting a removable storage device (like pendrives, External HDD, Memory cards) to an infected PC to avoid spreding infection to the removable disk? There ...
0
votes
0answers
16 views

Entire network sluggish after virus

I am almost positive that I got a virus from en.savefrom.net, although both Windows Defender and Avast found nothing. The Internet has become sluggish for all devices on the network, including PCs, ...
2
votes
2answers
885 views

what does this clamAV message mean?

I am running a clamAV scan on a linux box, using this command: $ sudo clamscan -r -l ClamScanLog -i / [sudo] password for e: msxml.xml:14: parser error : Extra content at the end of the document ^ ...
0
votes
0answers
2k views

Windows 10 deleted a file [that it might perceive as “unsafe” or “unwated”] without asking. How can i restore it?

I recently updated to Windows 10 from Windows 7, and I just now noticed that a file(to be more specific, a .dll file for a game that enables it to run with extras without the proper formalities) is ...
0
votes
1answer
162 views

Difference in the technology used by the team viewer and chunkvnc

We are using chunkvnc . when we compile the winvnc.exe we get instancesupport.exe and it is given to the customer Which is blocked by the antivirus . After lot of searching we did not find any ...
0
votes
0answers
61 views

Computer slowed down - no virus/fragmentation issues I can see

OK, here's an obvious question which typically gets the "fragmented drive and/or virus and/or too many programs running" answer. The thing is, I'm not a dummy (I'm a software engineer, although not ...
0
votes
1answer
21 views

How to restore Window control Button Like Maximize Minimuze and cancel button

I'm facing a problem in my Windows OS which is running an antivirus program 360 Total Security. This program changes my windows settings totally. My window control button is not appearing. Also, my ...
2
votes
2answers
803 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 ...
0
votes
0answers
161 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
63 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 ...
0
votes
1answer
264 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
59 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
123 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
1answer
780 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
8k 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 ...
-1
votes
1answer
280 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 -> ...
0
votes
0answers
25 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 ...
1
vote
3answers
8k 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
72 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 companies,...
0
votes
1answer
140 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
151 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 ...
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
647 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
70 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
81 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
86 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
66 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
459 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 ...
0
votes
3answers
7k 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
718 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
2k 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 ...
2
votes
2answers
2k 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
84 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
208 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
826 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
374 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
1answer
1k 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?