Malware (short for Malicious Software) is a type of software designed to access a computer system without the owner's informed consent.

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Is there a way to restrict my program installation to a certain web-source on Windows?

I have a program HelloWorld, signed by me and distributed from my company site. But someone has downloaded it from my site, wrapped into program SuperDuperHelloWorld and also added some malware into ...
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381 views

I cannot go to google.com and other websites due to invalid certificate; possible DNS issue?

I am using Windows 7 on my PC's and my wife and I both have IPhones. About a 2 weeks ago I was having a problem on the PC's where google.com would sometimes give a 404 not found and then in the ...
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1answer
69 views

Questionable NTP Traffic at Firewall?

I checked my firewall logs and noticed odd traffic patterns for NTP or UDP/123 (shown below). I don't understand the round robin'ing that's occurring from my hosts. And I don't understand why its ...
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0answers
32 views

Noticeable delay when quitting Microsoft Word on OS X [closed]

Whenever I quit Microsoft Word (mac 2008 version) on OS X (version 10.9.3) there is a quite noticeable delay of up to a few seconds. During this time Word shows only the Apple and Script icons in its ...
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1answer
49 views

Can Malware damage to the files existing on the host? [closed]

I'm somewhat aware of Malware and their actions. And also know how to get rid of them and clean the machine. And about the Malware, we all know that Malware can spread in the form of a Worm or a ...
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48 views

Is the guideline: don't open email attachments or execute downloads or run plug-ins (Flash, Java) from untrusted sites enough to avert infection? [closed]

I'd like to know if the following is enough to avert malware as I feel that the press and other advisory resources aren't always precisely clear on all the methods as to how PCs get infected. To my ...
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1answer
110 views

Can Internet data be used by malware when PC off?

I have noticed over the last month that my off peak data has been used at a rate of approx 350MB per hour - this has meant that I have gone over my quota and slowed down by my ISP to 256k. There is no ...
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1answer
183 views

Windows 8: Occasional cursor movement, clicks, and interface interaction without a mouse or touch pad attached

My cursor is moving (it'll go in a direction, turn, etc, not totally random) and clicking (left and right) without any mouse or touch pad attached. I've uploaded a video of the weird behavior I've ...
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3answers
582 views

How do I get rid of istart.webssearches.com?

I use Google Chrome search engine and I downloaded FLV viewer last week in order to watch a free film on line. Now every time I open my computer and the internet via my Google Chrome icon, the ...
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3answers
4k views

Still receiving windows XP updates… Is this expected behavior?

According to the answer on another post, we should not have been receiving any more updates for Windows XP. But I am receiving updates: Is this indicative that my system is bugged or compromised ...
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3answers
88 views

Can a virus “attach” to an executable? [closed]

My understanding is that a virus is an executable - and thus it needs to be executed to do anything. When you execute a virus (program), the process will be able to do whatever malicious thing it is ...
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2answers
946 views

What can a service do on Windows?

What kind malware/spyware could someone put into a service that doesn't have it's own process on windows? I mean services that use svchost.exe for example, like this: Could a service spy on my ...
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1answer
129 views

How to validate recovery partition for modifications?

I bought second-hand notebook (sony vaio ultrabook duo) with Win8 . I'd like to have clean system unaffected by malware. Which gives me two possibilities. a) Reinstall from new source - This way I ...
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2answers
152 views

Suspicious website behavior - but no virus found

I have a Windows 7 (64) PC with Microsoft security essentials running and up to date. I have recently found that when I load certain websites which never previously contained adverts, now they do. ...
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1answer
10k views

Identifying program attempting to install certificate on windows

I'm trying to help a friend using Windows (which I'm not an expert on by any means) who's experiencing malware-like behavior: a dialog box is repeatedly popping up reading: You are about to ...
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1answer
69 views

Virus on vdi files dangerous for host machine? [duplicate]

I want to use the preinstalled vdi files from virtualboxes.org because it saves me time having it already built for me (what's not to like?). I don't know if they have viruses on them (they very well ...
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0answers
8 views

How to permanently delete browser hijacker 'Qone8'? [duplicate]

When I was downloading some file, Qone8 search tool has also downloaded and got installed. Though I set my chrome settings to default, after reopening of the browser Qone8 will reappear. I tried to ...
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2answers
1k views

Dexpot carries malware?

Dexpot appears to have a lion market share as far as virtual desktop managers go. It also seems to have a rep for adware/bloatware or worse; at least the dexpot.de site does: ...
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1answer
153 views

Virus on my Webserver: How to get rid of it?

I did a website for my clients and recently stumbled upon a lot of issues with it - i guess it got hacked. (It's based on the latest wordpress version, and for a while the index.php file always got ...
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0answers
29 views

VMware Host-Only without Host?

The question may seem confusing. I am setting up a malware lab, and would like to create a virtual private network basically between 3 VMs (so I can use tools like inetsim). I am using VMware ...
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1answer
193 views

lsass.exe constantly using about 25% of CPU

Recently noticed that my computer was running a bit slow and saw that a program which I have never seen before, lsass.exe is using about 25% of my cpu nearly all of the time. If I close it I receive ...
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1answer
132 views

COMODO HIPS firewall spamming me

I recently setup my windows system with a Comodo Firewall. The only issue is, whenever I install/run a program that needs to either connect to a specific port or modify a reg key, Comodo goes nuts and ...
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3answers
61 views

command executed when a folder is opened

once a wise man told to me that every folder contains a file autorun.inf (not sure about the name but properties are same as autorun.inf) and he changes the codes of the file to execute a batch ...
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1answer
169 views

Download webpage source HTML without visiting page

So, I've got a situation with a malicious page. First off, Chrome will not let me visit the page at all. With firefox, it blocks me, but will allow me to ignore the message. I don't want to visit the ...
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3answers
527 views

Identify Known Malware By Hash (MD5) Across Network

I need to design a solution that will allow me to submit a series of MD5 hashes and then be alerted if these hashes are found on any machine (Windows) on the network. I'm open to existing solutions ...
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1answer
2k views

google.com/search redirects to google.com/webhp but only sometimes

According to the internet when google.com/search redirects to google.com/webhp, it means Search Conduit has hijacked the browser. In my case, this is what happens: ...
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102 views

Suspected Malware: Computer turning off all forms of virus protection automatically

I'm running windows 8.1 and very recently I got error messages saying that I had no virus protection on. I had windows firewall, avg free and spybot search and destroy running. All were turned off and ...
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80 views

Unwanted redirects in chrome

When I type a search in chrome on OS X it automatically does another search after I hit enter. This seems like malware. I found a few extensions in chrome that I did not install -- and I removed them. ...
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1answer
383 views

Weird popup ads on sites that don't even load the ad

I have noticed weird popup ads appearing on pages which don't load those ads like daringfireball. The ad in question appears on the right side of the page over the web page intended to open. The ...
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9answers
3k views

Why is it bad for me if my computer is infected, if I don't notice? [closed]

The situation I face is a family member whose position is the following: I don't want to update something that works, updates may break something. Look at our old computer that runs Windows 98, ...
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0answers
882 views

suddenly windows 7 asks for username and password

I think my computer has been infected with a kind of virus or malware. Yesterday I locked my windows and went out of house, at return as I tried to use it again it asked for a password! (I'm pretty ...
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2answers
5k views

Can ping the ip-Address but not the site and neither browse to it

Due to some malware or virus, I was unable to connect to any site while the connection showed "Internet Access". On experimenting, I found that I was able to ping the I.P. address of google. But when ...
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163 views

Malware on my Linux? Cant see on top/htop but CPU/Mem Usage is high

Over about the last week or two, I have been seeing something odd with my Linux mint PC. Over a day or 2, at some point, my CPU usage hits and saturates at or near 100 at some point (according to my ...
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2answers
103 views

How to find in shared folder of remote computer which file was created or copied by which specific computer

Scenario is my friend works in company where they use more than 1200 computers. They have 2 domains. Employees are given same user accounts as per their designation. i.e. Operator, Marker, ...
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24 views

Is it possible to view the source of a malicious pdf?

I am using osx mavericks. Avast alerted to a file that was in a hidden spotlight directory that had random-looking characters as a name with a .txt extension. It identified as a javascript trojan. I ...
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1answer
358 views

Exploit.Win32.CVE-2010-2568.gen malware detected

I am not very good with computers. Actually, I am very bad :( so if you are willing to answer my question, could you please explain your answer in very simple terms, like to a complete dummy? Thanks ...
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3answers
817 views

If you block an .exe file in Windows Firewall, are you also blocking the .dll files it uses or it needs to be done separatly?

Let's consider this scenario: There's some X software downloaded from the internet with one .exe file and several .dll files. The .exe file is prevented from accessing the Internet by using Windows ...
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1answer
393 views

Google Chrome page is infected by the Ukash virus

I have a Samsung Chromebook. On the Google Chrome page I can't get rid of a site called Ukash (some site masquerading as Europol or something). How can I get rid of it?
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802 views

Windows 7 how do I get rid of mobigenie malware [duplicate]

How do I get rid of mobigenie it keeps changing my chrome search setting and attempting to install backup and driver software.
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89 views

Program took 80 percent of my i7 cpu

the program was existed here C:\Program Files (x86)\PCData\minerd.exe but I deleted it now , I want to know what was that program ?
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1k views

How to remove topic torch from my computer?

Somehow I have managed to get the topic torch malware installed on my computer, which show's ads whenever browsing (see screenshot). I have many of suggestions, but I can't seem to find the ...
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0answers
579 views

Something keeps opening Outlook

I have an interesting little icon in my taskbar that, when hovered over tells me that "Another program is using Outlook". This is very interesting, as I have not intentionally installed anything that ...
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4answers
614 views

Virus Asking To Format External Hard Drive [closed]

I have an external harddrive. Whenever I put its USB into the USB port of my laptop, it asks me to format my hard drive. I think this is because of some sort of virus. Can someone please help me to ...
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1answer
669 views

Unable to surf with Ease due Certificate Requirement or virus

I am trying to surf the internet but for any link which I type or enter, I get the following message : This Connection is Untrusted You have asked Firefox to connect securely to accounts.google.com, ...
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0answers
50 views

Malware seems to disappear when brought into the shop

Question: Is there a type of malware out there that "goes stealth" when in a different environment from it's usual one (IE, when the computer is brought into the shop), and then reactivates when back ...
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8answers
2k views

How can I identify malware containing chrome extensions in Linux?

I seem to have been infected by malware. Specifically, every now and then (once every few days usually) I get redirected to a page that asks me to download something, usually a "new version of flash". ...
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102 views

NASTY- ness not sure who to point the finger at! [closed]

Win 7 ultimate boots to log in screens, upon logging into user hkcmd.exe application error...The application was unable to start correctly 0x0000906 RUNDLL error lgfxpers.exe application error ...
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59 views

ubuntu infected by something from windows

when sharing some files with one of my friends who uses windows, i found a suspicious file in his pen-drive, deleted from it, but after that my trash can shows its full, deleted everything , but its ...
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593 views

Virus that disables keyboard and doesn't allow me to open drives?

I am now typing from a virtual keyboard. Minutes ago I downloaded a program called Downlite, subsequently, my keyboard, both native [notebook] and external. Mouse buttons don't do their jobs, when I ...
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1answer
88 views

How to get rid of freaking adds?

see these screen shots in the above picture...those green texts (marked with red pen) when i hover mouse on them an add pops up. this one is more annoying anytime this add slides from the ...