A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes.

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2
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0answers
32 views

Removing malware which is creating temp file and modifying network traffic [duplicate]

I am on OSX 10.9.2, please note I have included several URLs in my post, this is not spam this is due to the nature of the malware. I have just discovered I have malware on my computer after noticing ...
1
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0answers
29 views

Am I safe to see a thumbnail of a downloaded images on Ubuntu 14.04?

I have downloaded an image that someone has uploaded to my website with a public upload form. My intention was to copy the file in a virtual machine and see the image from there; unfortunately, on ...
1
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1answer
104 views

Extremely suspicious UDP network traffic when idle [on hold]

My computer has been using about 7Mbps when idle, it does the same thing even I am playing games and such. This is the Wireshark capture ...
18
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3answers
4k views

Are popular porn sites more likely to be infected with malware?

I'm trying to help my friend understand this because he believes that since a site is very popular, that it's less likely to infect its viewers because of its security! Is a popular site less likely ...
0
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0answers
53 views

Suspected virus in my Windows 8.1 [migrated]

I suspect that I have a virus in my computer. There is a large amount of UDP traffic in my network card, I installed Wireshark and there was large amounts of UDP traffic, all of them are from the same ...
0
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2answers
226 views

Which Antivirus Software used to remove virus Rootkit.Sirefef.Gen?

My System has affect Rootkit.Sirefef.Gen Virus. So i want to know which antivirus software is used to remove Rootkit.Sirefef.Gen virus file.
0
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3answers
147 views

How a trojan allows attacker to connect to remote computer behind a router

According to this article on Wikipedia, a trojan horse can allow a remote connection by opening a random port if it is able to bypass the firewall. I'm not much of an expert of routers and Network ...
0
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1answer
119 views

How to execute an exploit without user interaction?

Is there an existing exploit, virus or malware that doesn't need any user interaction? In metasploit for example. No link to clicked, no pdf to open , no vba or exe to execute by the victim.
19
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3answers
3k views

How can I tell if I have the citadel virus without downloading an antivirus?

I recently received an e-mail from Virgin Media indicating that I might have the Citadel virus. It obviously sounds like a fake e-mail, but I am almost certain it is genuine, as they had my name and ...
0
votes
3answers
194 views

How to search for evidence of Camfecting (webcam hacking)?

I'm worried about camfecting (webcam hacking). The camera light on my mac (running OSX) is not on, but it isn't hard wired so that doesn't say a lot. I've ran a virus scan but no signs. Now my idea ...
14
votes
3answers
4k views

What does this javascript file do? Is this a virus?

While searching on Google I found a website that shows one set of content to the Google Bot and an other to users (by redirecting to a new domain), and also a very suspicious Javascript file. Maybe ...
0
votes
1answer
41 views

Virus (or Trojan) in Android

Definition of virus is (from Wikipedia): A computer virus is a malware program that, when executed, replicates by inserting copies of itself (possibly modified) into other computer programs, data ...
13
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3answers
5k views

Can Cryptolocker (Or Other Ransomware) Encrypt Files That Are Already Encrypted?

If you have already encrypted files, are they still vulnerable to being encrypted a second time by a program like Cryptolocker, or would this protect them?
1
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0answers
34 views

My website redirects to malware link [migrated]

I coded my own website and uploaded to a host. Some days ago I realized that in front page suddenly redirects to an unknown websites, until 3-4 redirects. The redirects ends up at: ...
2
votes
2answers
85 views

How to get rid of an Ad bot?

The issue started due to setting up a proxy server on a PC connected to my network. I then realized that all of my devices that connected to the network, including PCs and phones, are all infected by ...
0
votes
2answers
55 views

Suspicious 2 page, no image Word Docx has 1.7 MB

Can a word document contain virus or harm you in any way? Someone sent me a word docx that has only 2 pages, no image but it's 1.7 MB big. If I use save as to save it with a different name but still ...
-4
votes
2answers
81 views

What is the difference between a virus and a worm ? [duplicate]

The only thing I know is that virus can get into the other programs and infect it whereas worms cannot attach itself to another program.
1
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1answer
152 views

Can virus save to SIM Card?

(Before everything excuse me because of me English) Today one of my friends asked me about his Nokia 130 Dual SIM. There was a problem about Short Message System. No Messages were sent from that ...
3
votes
2answers
2k views

Is there any decompiled source code for the “Flame”/“Skywiper” malware?

When searching for the source for Stuxnet, its relatively easy to come by in one form or another. Although I'm actually curious if anyone has done any work to comment the source and perhaps clean up ...
1
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0answers
37 views

Why an infected VM does not affect the host machine? [duplicate]

I installed a Windows XP virtual machine on VirtualBox. The host machine is also a Windows XP. I run 5 viruses on the guest machine, however this does not seem to infect my host machine. Could someone ...
0
votes
3answers
140 views

Is there any virus that can cause physical damage [duplicate]

Like damaging a chip on the motherboard, increase the fan's speed till something explodes or anything similar to that. I am not an IT guru but I never came across a malicious code that couldn't be ...
3
votes
4answers
472 views

How do I ensure that my computer is 100% worm-free?

Ok say I have a brand new laptop that was is brand new. Is it true to say that as long as I keep the bluetooth turned off, and I am not connected to the internet, and only copy files that are 100% ...
1
vote
2answers
77 views

Does the EICAR test work on Linux based antivirus scanners?

Does the EICAR antivirus test work on antivirus scanners for Linux? The EICAR test is described in more detail here: http://en.wikipedia.org/wiki/EICAR_test_file The reason I ask is that it requests ...
37
votes
7answers
6k views

Does a virus need to be clicked on to function?

Can a virus infect my Windows XP operating system by its mere presence? I mean, if I copy/paste a virus on my computer and I never click on it, will it infect my computer or will it remain dormant, ...
-2
votes
1answer
77 views

Unrecognizable Icon. Virus?

Sorry I'm not sure this would be the best place but I've noticed this icon recently. I'm not sure what it is and it only pops up sometimes. When it does, I can't click it or do anything to it and it ...
1
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2answers
104 views

Buzzfeed just downloaded a binary file to my PC, unasked

The file is binary, named '96748', and it's 12.8kb in size. Ubuntu thinks it's an swf. Thank god I was in a Linux VM and not Windows. It doesn't seem to have done anything, and it's just sitting there ...
2
votes
2answers
314 views

Are there any logic-bombs that execute when the file is deleted?

I want to delete a suspected malicious file from a server. For the purposes of this question assume that the infected machine is Windows Server 2003 or later. Is there any risk in deleting such a ...
-1
votes
1answer
49 views

Problem in downloading and browsing [closed]

My downloads stop completing and some page in the browser appearing blank or with text only without css or js and so on, some program after complete return me a message when trying to start ...
1
vote
3answers
687 views

Is JavaScript malware as dangerous as native viruses? [closed]

Can JavaScript malware be as dangerous and damaging as more traditional viruses that are programmed mostly in native APIs?
-1
votes
1answer
2k views

Virus affecting MS Office files

(I'm not sure if here is correct place for asking this question) I've come across a strange virus that changed contents of all MS Word, Excel, PowerPoint and image formats. It places this ASCII ...
34
votes
7answers
36k views

How can I watch porn, safely, and not get a virus? (and not infect corporate data also)

I'm part of a small office in the middle of nowhere, and we just got absorbed into a large mega corporation. Sometimes we watch porn, at the office, on company computers, using the company ...
17
votes
7answers
771 views

How to deal with a person who gets easily fooled by internet and mail scams?

alternative title: How to deal with a person who has gotten paranoid and doesn't want to go online anymore? A person, who has over the years been scammed many times, by bad spam/fraud emails, and ...
1
vote
3answers
224 views

How isolated are 2 operating systems on 1 harddisk?

Lets say I have 2 windows dual booting on the same harddrive (windws 7), How isolated are they? I am thinking that there should be up to date antiviruses software on both Windows, and they should be ...
7
votes
2answers
226 views

How serious is a local virus in terms of network security

My colleague got a notification on his machine of a possible virus (through the virus scanner that is installed by default on all machines). He called up the tech department, and they simply told him ...
0
votes
1answer
79 views

How safe is virtual box without internet [duplicate]

I am running a windows 7 virtual box without internet connected. Internet is, however, connected to the host, and I allow any internet access to and from the host. On the guest platform I am working ...
26
votes
4answers
3k views

Should I get an antivirus for Ubuntu?

Considering the recent thread regarding anti-virus for the Mac I wonder how many of the arguments put forth are relevant today to Linux systems, specifically Ubuntu. There are no known Ubuntu ...
1
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3answers
72 views

Completely Protected Virtual Folder

I am a Python / C developer currently working on a extremely important piece of software. The details of the code will not be mentioned, and the only place the code appears is on my own hard drive, in ...
32
votes
8answers
6k views

Should I get an antivirus for my Mac?

There are some people saying that people should use an antivirus software on Mac. And there are thousands of people claiming that Macs don't get viruses (under this term I mean spyware / malware as ...
0
votes
4answers
73 views

Can a virus on the host affect the VM guest [duplicate]

let me explain my problem. The wifi on my macbook suddenly stopped working so tried to use my usb wifi adapter on a linux VM. But the funny thing is that nothing works on the guest vm either... Well ...
0
votes
0answers
112 views

Apple ID phishing lead to my router infected?

For future visitors, I will try to be as general as possible, but I must include details to give you a full picture. As my Apple ID's security email address belongs to my brother, he forwarded an ...
7
votes
3answers
145 views

How do I report new malware?

I have a new piece of malware that isn't detected by current anti-virus vendors. How do I report it to them? I want to do a good turn and help protect as many people as possible. What is the best ...
9
votes
2answers
2k views

How can a malicious URL affect a computer?

Many security experts advise not to click on malicious URLs. How can clicking a URL affect a computer's security? If a malicious file was downloaded and executed, then a computer's security may be ...
2
votes
3answers
91 views

Can viruses be transfered across incompatible architectures?

I am needing to run scans from one computer/laptop/device to another computer in a protected system. I am worried that plugging in my scanning computer to the protected computer might cause some risk ...
0
votes
1answer
67 views

How can I set up a secure virus laboratory? [duplicate]

I've been playing around with virtual operating systems for some time and began wondering: would it be possible to set up a virus laboratory in a virtual machine? If not, are there other ways that do ...
0
votes
1answer
91 views

How to backup files stored in a possibly infected computer?

I am to reinstall an old Windows XP installation. Before I format the drive, I have to backup some data (~200GB) like .doc files, pdfs, photos to an external hard drive. My concern is that this ...
-2
votes
3answers
117 views

I need to know if this is a virus [closed]

Someone has been sending me these weird emails and I am starting to get curious about it. The latest one has an image of a broken image linking to this address... I wonder if you guys could help me ...
11
votes
7answers
2k views

Can viruses actually inject their code in other processes?

Can a virus really inject its own code into a process so it stays on your computer permantly? The only way to actually remove it is to reinstall your OS. My question is how can it do that without ...
2
votes
2answers
197 views

Is OSX vulnerable / susceptible to Gameover Zeus

I've heard a TON of vague info on Gameover Zeus recently. One detail I can't seem to find is if it affects OSX? when I say I can't find it I mean from a credible source. I've found loads of people ...
5
votes
6answers
19k views

Scanning for files than have been encrypted by CryptoLocker

I am just asking in case someone has already done the analysis. A customer has a large set of network drives that were mapped to a CryptoLocker infected machine. The infection itself has been treated. ...
0
votes
1answer
29 views

Safely converting untrusted files with Microsoft Word in a web service

I'm made a small web service that gets urls, download them, and convert them for another format. Most of those urls are documents (doc, docs,...). Basically, I'm open them with MS-Word and convert ...