A software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer.

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2
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1answer
86 views

Can a (BOOT/BIOS) Virus affect a Linux LiveCD session?

Question: Is it possible for a virus that infected a PC with Windows OS to show similar erroneous behaviour during a LiveCD session with Ubuntu? N.B. To clarify my question: Can the liveCD ...
222
votes
16answers
141k 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
votes
1answer
49 views

Macbook All ram being used with no apps open

I recently was teaching this kid to program, and he wanted to teach me some things in screen flow, so he showed me where to get it, and I got part way through the installer, and then I quit it because ...
2
votes
1answer
71 views

All browsers redirect me to the wrong site

I'm trying to reach www.example.com, but I'm always get redirect by all browsers to www.anothersite.com (from any other computer www.example.com is perfectly reachable), which most likely a virus, ...
1
vote
1answer
36 views

Is it an actual threat to system if “desktop” is added to path

What kind of threat does adding the desktop path to system path variable present? Is there some well known exploit that really opens my system up if I do this? The thing is that Desktop is my ...
3
votes
5answers
767 views

Is it possible for virus in windows to infect ubuntu?

I have a triple boot, windows 7 , 8 and ubuntu. Is it possible that any spyware or virus in windows will also harm ubuntu or spy during ubuntu session ?
0
votes
0answers
5 views

Host intrusion prevention system that can be installed during safemode?

I have reason to believe, from prior experience, that I can use Comodo's Defense+ - that companies host intrusion prevention system - to defeat some malware on my bosses computer. Alas, it must be ...
0
votes
1answer
56 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 ...
-5
votes
1answer
65 views

What is a rootkit?

I use Avast as my antivirus. Yesterday while using my system, an Avast popup came up saying 'a suspicious rootkit has been found'. Avast suggested to delete it and I did so. Normally when Avast finds ...
2
votes
1answer
59 views

Can a virus stay in a computer even after a reinstallation?

In the windows 8 system, there is a windows re-installation built in. It says "Remove everything and reinstall Windows". But, the computer needs to have somewhere to store windows itself in order for ...
1
vote
0answers
116 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 ...
1
vote
1answer
34 views

can a virus cause programs to open on my computer?

I had 18 viruses on my work computer and programs and even video games showed on my hard drive that I've never played sites I'd not looked at showing open all day?? Can a virus or maleware cause this? ...
1
vote
2answers
40 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, ...
0
votes
2answers
32 views

Random installer pops up

A random installer pops up asking my language. It doesn't say what its going to install or anything. On Task Manager it says something like glb1be9.tmp when I close it a Vaio update window appears and ...
1
vote
2answers
152 views

How to find the hidden trojan’s file in my server [closed]

I have several web applications which are under an Apache/2.2.9 web server installed in a Linux server Distributor ID: Debian Description: Debian GNU/Linux 5.0.10 (lenny) Release: 5.0.10 ...
1
vote
2answers
305 views

What does PA & GV stand for in Java/CVE-2008-5353.PA and Java/CVE-2009-3867.GV exploits?

What does PA & GV stand for in Java/CVE-2008-5353.PA and Java/CVE-2009-3867.GV exploits? Is there a reference chart for these cryptic acronyms? I was doing some research, and I spotted ...
0
votes
1answer
233 views

Something deleted java.exe, how to find what it was?

On Windows 7 Pro SP1, the files java.exe, javaw.exe and so on are being automatically deleted by something, how can I find out what it is? When I uninstall and re-install java I see these files being ...
0
votes
1answer
37 views

How can I backtrack to find out which application created a registry key?

I have a computer with a virus. I've finally located one of the registries that is creating problems. If I change or delete the registry and then delete a particular process, it will recreate the ...
1
vote
1answer
82 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 ?
-2
votes
4answers
109 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 ...
0
votes
1answer
92 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, ...
1
vote
2answers
1k views

Osx.Trojan.Genieo, what to do?

I ran ClamXav on my Mac today. What do I do now, in particular with regards to the Osx.Trojan.Genieo? I deleted both .dmg files (InstallGenieo.dmg and InstallGenieo-2.dmg, both dated 13 Nov 2013 ...
4
votes
1answer
5k views

Files names in pen drive turned into gibberish text

Recently my uncle gave me his memory card from his phone telling me something is wrong with it.When i tried to check the contents of memory card this is what i found(take a look at screenshot). I ...
0
votes
1answer
58 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 ...
0
votes
1answer
193 views

Excel,word,pdf files got encrypted by ransomware

My MS Office files and pdf files has been encrypted by some ransomware in my pc which was running window XP. I removed the ransomware,formated the OS and put windows 7, but my files are still ...
0
votes
0answers
24 views

No permitions for administrator, RPC terminated unexpectedly error

Looks I got virus. Symptoms: My all PC users can't copy files using copy/paste. Copy works, but paste -not. My Anti-Malware tool looks damaged and doesn't starts. All users event admins has no ...
0
votes
1answer
71 views

Ghost user on my PC. No internet connection only HDMI. Virus? Pranked via HDMI?

Hey guys I have a windows 8.1 Laptop, plugged via HDMI into a Samsung TV with internet access on the TV only. I think someone remotely controlled my PC; I was with my friends watching a movie on VLC, ...
1
vote
0answers
167 views

Remote Procedure Call (RPC) service has failed

My windows XP machine becomes very slow. And started to show message : This system is shutting down. Please save all work in progress and log off. Any unsaved changes will be lost. This ...
1
vote
2answers
711 views

Multiple explorer.exe processes consuming large amounts of memory

I'm pretty sure my laptop has been infected with a virus but I can't identify it or remove it. Symptoms: Multiple explorer.exe processes being spawned some consuming lots of memory When I launch ...
1
vote
1answer
49 views

Computer going to sleep while being used

i just got my laptop back from a service, one of the hinges broke and i had it replaced. The problem now is that it keeps going to sleep while i'm using it(not that i'm running a program, i'm typeing ...
1
vote
5answers
211 views

System is slow, which files to delete?

My system has Windows XP installed with 2 GB RAM, and it has been working OK, but since 3 days ago it hangs a lot. I tried deleting the temp (%temp%) files manually, and also used disk cleanup, and ...
3
votes
2answers
206 views

Infected, back-doored Windows 7, is it safe to keep it using after Kaspersky Anti-Virus clean up? [duplicate]

So I got this computer from my cousin. As far as I can tell, it has LOTS of back-doors, trojans etc. installed. You can see the installed programs as below w/ lots of activeX: I fear these ...
0
votes
0answers
88 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 ...
1
vote
2answers
101 views

Virus through power supply

Is it possible to get a virus through a power supply for a notebook? I mean not a battery but really the power supply itself. I heard that there is a chance for IOS.
0
votes
0answers
110 views

What is this Unknown Chrome extension comes back after every remove?

there is this unknown chrome extension named " YTBookMarkK " it returns every time I remove it, I couldn't find any info about it, is it harmful?
0
votes
2answers
30 views

Windows 7 Glitches When Enter is Pressed

There are currently two situations where I have a bug, and was wondering if it is a known virus. First of all is when I'm hitting enter in a URL bar, it just spams a bunch of random characters. The ...
-1
votes
4answers
204 views

Virus - Isn' t there any online solution? [closed]

In our daily life, we come across various Viruses. In this internet world, we do have lots of type of viruses come to visit us ! A programmer can create a Virus using programming & it can be put ...
1
vote
4answers
267 views

Is it possible to detect a virus with taskmanager?

If I would have a running virus on my system, would I be able to see the process in taskmanager? I mean, would it be possible for a running virus to circumvent the taskmanager so the process doesn't ...
1
vote
2answers
52 views

What prevents attacks from coming in through Windows Update?

If a user sets their Windows 8/7 computer to automatically accept and install updates from Windows Update, what prevents this from being a vector of viruses? Is setting user's computers to ...
0
votes
1answer
330 views

lots of netstat entries

I have a lot of nestat entries in my cmd window of windows7 and I have a bad feeling about this. I just logged in and I am googling here on this page. Do I have a security issue ? Virus ? TCP ...
0
votes
0answers
24 views

How can I fix a v9.com redirect infection? [duplicate]

NOTE: This is clearly NOT a duplicate, as it has never been asked and none of the generic malware advice worked. It's a widespread problem and about a week after this was declared a "duplicate" by ...
0
votes
0answers
16 views

DELL running Windows 7 loads to desktop and then

My moms Dell computer loads up to the desktop and then freezes as if it doesn't have enough RAM to process any commands. it doesn't blue screen at all and I don't see any memory leakage going on but ...
1
vote
4answers
859 views

Computer disk or DVD disk virus

Can a disk get a virus? I played it in my computer and another computer and a DVD recorder and it all jammed
4
votes
2answers
533 views

How can I permanently remove a seemingly stealthy ad-ware installer?

For the past one month, there seems to have a stealth installer lingering in my computer that will automatically install malicious plugins to all my browsers. I'm not sure what installer is that and I ...
1
vote
2answers
92 views

My Laptop sound suddenly went off

My Laptop's sound suddenly died on me. I had some issues with Viruses & anti-viruses recently :/ I'd uninstalled my previous anti-virus AVG... but apparently it hadn't completely uninstalled.. ...
0
votes
3answers
6k views

deleted Win7 files do not show up in recycle bin

On Windows 7, I do not see files that I delete from the local computer in the Recycle bin. The problem occurs all the time in an otherwise healthy computer. The funny part is that if I have the RECBIN ...
51
votes
7answers
9k views

My webcam just came on “out of the blue”

I have a Microsoft LifeCam HD sitting atop my monitor. Today, completely out of the blue, its light came on -- I was simply browsing the web (in Chrome) when it happened. After about 5 minutes the ...
-1
votes
2answers
565 views

How to repair NTLDR missing in Windows XP?

My computer running Windows XP was infected with a virus severely. After scanning with Bitdefender Internet Security, my computer restarted and doesn't boot. Black screen appears showing NTDLR is ...
0
votes
0answers
31 views

Trojan that steals Thunderbird passwords [duplicate]

I have a client that has several emails set up in her Thunderbird email client. The email accounts that were set up to this computer were sending a lot of spam. I cleaned the computer with ...
0
votes
0answers
98 views

Windows in Parallels: Can a Windows virus destroy my Mac files?

I've mac book pro with OS X 10.9.1 On this machine I've installed Windows 8.1 in Parallels. If I get a virus on Windows can it destroy my files on my Mac? For example I see that my Dropbox from my ...