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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+100

Unable to use internet due to suspected DNS malware

I downloaded a midi file on my Windows 8.1 laptop last night. Since then, whenever I open chrome, I get a standard 'Web Page Not Available" error for ALL the sites I try to visit. Firefox and ...
0
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3answers
64 views

Reclaiming an infected pen drive

My pen drive might be infected with virus/malware. I'm running Windows 7. I never stick it into an unsafe computer but this time I had to (because of some urgent work). I haven't inserted it into my ...
18
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4answers
3k views

Is it possible to store arbitrary data in an image file?

Is it possible to store arbitrary data such as documents or a program in the form of an image file, such as a PNG image? My concern is that someone could encode data for use by malware into an image ...
0
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0answers
461 views

Detect and remove malicious malware chrome extension that opens many tabs with ads

I observed throughout the day yesterday three episodes where my processor gets hijacked for a minute and the memory gets maxed out (12 gigs). The culprit was a seemingly infinite number of tabs being ...
4
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4answers
1k views

“Stop running this script?” — is this legit?

I get this popup: It looks rather suspicious since it refers to "web browser" rather than a specific product, and doesn't offer any other details or identifying information. I've tried to figure ...
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0answers
18 views

How to get Microsoft SmartScreen to stop blocking my app for my customers?

I've finished creating a small utility that I will be uploading to my website, to be publicly available. When I download it and run it, Microsoft SmartScreen blocks it with a big message in the middle ...
222
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16answers
144k views

How do I get rid of 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 ...
0
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2answers
45 views

Trying to repair infected rpcss.dll in Vista causes black screen on bootup

I ran the malware scanner Hitman Pro on a Windows Vista computer, and it detected that C:\Windows\system32\rpcss.dll was infected. I uploaded the file to virustotal.com and its analysis said that 28 ...
0
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2answers
46 views

What are the Proper Steps for Complete Restore of Computer after Being Infected?

I feel that many the average computer users come across a similar situation to what I am in now. A situation where these users find that their computers are infected with difficult to remove viruses, ...
0
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0answers
13 views

Finding Windows rootkits from a Linux live DVD

I'm looking to set up a procedure for ferreting out possible Windows rootkit infestations from a Linux live DVD. Especially preferable are steps I can automate by shell script. I already know you can ...
0
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2answers
32 views

Windows 7 shuts down automatically on delete key press

Whenever i press delete button for deleting files or folder, windows 7 forcly shuts down the system , i m not sure is this virus or any keyboard shortcut malware. on pess key of special char ,its add ...
0
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2answers
689 views

File association and msconfig broken. Malware?

A friend of mine had an Acer laptop. It has Vista Home Basic. I can't get system properties open. Msconfig does not run. Also, exe filetype is asking me what program to run it with. How can I fix ...
3
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7answers
4k views

What to do about counterfeit Windows warning

I have a Dell computer that has just started waring me that Windows XP may be counterfeit, the operating system was pre-installed on the PC by Dell. Can I just ignore/disable the warning, or should I ...
0
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2answers
6k views

BetterSurf Firefox extension appears to be malware

When I was browsing (a local copy of a site off my own hard drive), I was greeted by a pop-up that took up the entire bottom half of my screen that detected that I was on the site that had a menu of ...
2
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2answers
107 views

Is it possible to install software in such a way that the user can't remove it?

Let's say a program is contained entirely in a jar or exe. Is it possible for this program to propagate itself such that the user can't possibly remove it from the machine? I'm wondering how much ...
0
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3answers
94 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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4answers
165 views

Suspicious EXEs [duplicate]

Possible Duplicate: Computer is infected by a virus or a malware, what do I do now? I caught a pretty nasty virus yesterday and am finally in a position to sit down and start dealing with ...
0
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2answers
2k views

How to remove SelectionLinks extension from Chrome on Windows?

It's not possible to remove it using the standard extension disablement/removal features in Chrome - the checkbox is disabled. I also found that the extension gets installed under ...
0
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1answer
33 views

Is it possible to get someone's code signing certificate revoked?

I recently had to clean up someone's computer because they were tricked into installing a bunch of things without their knowledge. The horrible thing about it was that the installer was signed with a ...
0
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1answer
165 views

Removing malware [duplicate]

Possible Duplicate: How do I get rid of malicious spyware, malware, viruses or rootkits from my PC? My laptop get infected by virus or just malware. Gradually I get rid of it. It was ...
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0answers
43 views

AdWare, Malware, Spyware uninstallation unsuccessful

I have found some Adware names as Movie Mode , Omiga-plus in my system. The very first step I followed to uninstall them. and after that I run AdwCleaner and restart my system, I found that still ...
0
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1answer
6k 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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2answers
279 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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2answers
108 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. ...
0
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1answer
103 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
24 views

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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8answers
4k views

UAC being turned off once a day on Windows 7

I have strange problem on my HP laptop. This began to happen recently. Whenever I start my machine, Windows 7 Action Center displays the following warning: You need to restart your computer for ...
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5answers
848 views

Removing skype.dat malware permanently

Every time i boot the PC, i am not able to surf the net as most of the sites do not open even when there is no problem with the internet connection. I searched for a solution online and found out that ...
2
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2answers
3k views

run as dialog always pops up

I recently got some malware on a machine that I don't use for much (partly intentional). I've cleaned it, but now everytime I open any .exe the 'Run As' dialog pops up asking me which user I want to ...
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1answer
25 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 ...
7
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3answers
2k views

Has my Google Chrome gone scareware?

I can't visit http://www.opengl.org on Google Chrome 6.0.472.63 without the Malware Detected warning Warning: Visiting this site may harm your computer! The website at www.opengl.org ...
5
votes
7answers
10k views

How can I safely open a suspicious email?

Suppose I receive an email that I highly suspect is some form of spam but I'm not 100% sure. Suppose also that I'm using form of webmail (like Gmail) with good spam filters, but this message made it ...
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0answers
472 views

what is en.v9.com and how to remove it?

I was reinstalling Windows (namely installing Windows 8 instead of Windows 7). But then Chrome suddenly closed. When I started it again, it had that annoying en.v9.com home page. I don't know how to ...
96
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15answers
8k views

How can I fix a computer that is infested with malware and is extremely unresponsive? [duplicate]

Possible Duplicate: How do I get rid of malicious spyware, malware, viruses or rootkits from my PC? I'm troubleshooting a Windows 7 PC for a friend. A couple of days ago it started running ...
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1answer
42 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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0answers
25 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 ...
0
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1answer
31 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 ...
0
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1answer
51 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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2answers
3k views

Is DriversHQ Software - 'Driver detective' malware?

Is DriversHQ Driver detective a malware?
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1answer
57 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 ...
22
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3answers
2k 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 ...
4
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1answer
472 views

Are live CD/DVDs more secure than live USB?

If you create a bootable live CD/DVD for an OS such as Linux or Windows, is that more secure than a live USB that does the same thing? What if the disk is a CD-R or DVD-R as opposed to a CD-RW or ...
10
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2answers
908 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 ...
0
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3answers
55 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 ...
0
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1answer
39 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 ...
2
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1answer
48 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 ...
0
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0answers
7 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 ...
0
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1answer
79 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 ...
21
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7answers
10k views

Linux keylogger without root or sudo! Is it real?

Somebody on Youtube claims to have a keylogger on Ubuntu that was neither executed nor installed as root. The link below shows a demo of it working. http://www.youtube.com/watch?v=Y1fZAZTwyPQ ...
0
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1answer
54 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 ...