Tagged Questions

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

learn more… | top users | synonyms

0
votes
1answer
73 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 ...
2
votes
3answers
97 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 ...
7
votes
3answers
178 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 ...
34
votes
7answers
55k 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 ...
21
votes
3answers
5k 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
votes
1answer
247 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
131 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 ...
2
votes
2answers
390 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 ...
0
votes
1answer
31 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 ...
2
votes
1answer
173 views

How to deal with resistant malware

Everytime I visit Gmail, Facebook, YouTube, or Yahoo mail, I get a popup "Please update Internet Explorer" (while I'm using Chrome!). I don't have screenshots but this website describes the problem. ...
-1
votes
1answer
259 views

How can we find out the fully undetectable virus and kill it in our computer? [duplicate]

As I know, most hacker can crypt the virus to bypass all antivirus. Even famous antivirus like kaspersky and avast doesn't know it. So, is there a good way to find out the FUD virus and protect from ...
0
votes
1answer
41 views

process/program execution anomalies

How could I know if a given program is malicious by checking its CPU occupation, RAM consumption, network connexions, registry entries ... etc ? Maybe an other way to ask this question is: when could ...
0
votes
3answers
701 views

Can Malware Physically Damage A Hard Drive?

I recently responded to an incident of supposed malware infection. The symptoms where simply "my computer is freezes at random times". The response ended with replacement of the physical hard drive ...
1
vote
1answer
228 views

Computer worms, propagation and exploiting vulnerabilities

I have been referred here to ask this question, so I am doing a research on computer worms, I have been through several sites and a few caught my attention, I have learnt that worms propagate through ...
0
votes
1answer
334 views

How can the data in a computer system become corrupted when it is copied across a network? [closed]

Doing a report. Having trouble understanding the concept. I need to talk about the following topic in relation to: How can the errors be detected? Can they be detected and corrected? If so, by ...
-2
votes
1answer
206 views

Website starting up on PC boot [closed]

today i boot my PC when i got home & a russian website about games & naked chicks openen up instantly during general boot of the desktop. I thought "WTF", shut down my PC and restarted it. ...
0
votes
1answer
419 views

How to combat and prevent a lpcloudsvr302 and bk-coretag.js Virus?

I recently came across a computer that was infected with a lpcloudsvr302 and a bk-coretag.js Virus. I did some research about the two Viruses and realized that their is no reliable source that helps ...
2
votes
2answers
1k views

Can you write OS-related virus using high level languages like Python

It is a well known fact that OS-related viruses are commonly written in low level languages like C or C++ which require direct access to the kernel of the CPU , I am just wondering if its possible ...
3
votes
0answers
103 views

At what point does a piece of code become a virus and at what point does this become illegal? [closed]

I read a lot about viruses being illegal, but at what point does a piece of code become a virus and become illegal? Information enters and leaves our computers on a daily basis and often times some ...
11
votes
8answers
3k views

Can malware be attached to an image?

I have a small number of employees who use a company computer but these people aren't very tech savvy. They use an email client and a messaging client. I'm pretty sure they wouldn't click on .exe or ...
0
votes
2answers
378 views

My website redirects to an unknown website [closed]

I coded my own website and uploaded to a host. Some days ago I realised that in specific page suddenly redirects to an unknown websites, until 3-4 redirects. The redirects are: mywebsite.com/smth-> ...
0
votes
1answer
3k views

How would I know if my Apple Mac has a virus, and what can I do if I have? [closed]

I have used PCs for most of my life, and I am very aware of the fact that they can catch a variety of viruses. I have owned a MAC now for two years, and have enjoyed a pleasant (perhaps too pleasant) ...
2
votes
4answers
1k views

Virus scanner on server

I see lots of people claim virus scanners are unnecessary on a linux server. But if this server accepts files uploaded from users (and lets others download them), does it become worth it to scan the ...
0
votes
3answers
118 views

Unknown hijacker/popups on the browser

I was cleaning my father’s laptop which was recently infected by a fairly tenacious piece of malware. It hasn't given any great clues as to what it is named or anything of that sort and thus far ...
2
votes
2answers
326 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 ...
2
votes
1answer
242 views

Clamav can't detect encoded virus files

I have a PHP sheller file (like c99 file) but it's Encoded ( with this functions: eval(gzinflate(base64_decode("7P3rehblahblah)) ) and the clamav virus scan can't detect it. How i can detect virus ...
1
vote
3answers
216 views

Malware stole an executable file on my computer? Seems unlikely

If you don't want to read all of the details, skip to the bottom; I'll make a summary. I created a computer program as a proof of concept (I threw it together in 12 hours, so I wrote it in Visual ...
0
votes
2answers
370 views

Is there a way to be 100% sure that your computer is clean of viruses?

If your computer has been hacked or infected, is there a way of cleaning your computer and have 100% sure that it's clean? I heard that you can safely clean your hard-drive with completely wiping ...
0
votes
1answer
140 views

Unknown Website Linking to my Local Files?

I recently discovered a website that I am in no way affiliated with linking to the files of my local website stored on an external hard drive. This unknown website is actually executing the scripts, ...
5
votes
4answers
3k views

Is it worth it to get paid anti-virus software?

With the rise in cybercrime, I am slightly worried about my computer security. I have been using open sourced anti-virus AVG for years and it has been doing well. Are anti-virus software like Norton ...
0
votes
2answers
64 views

Is there a point in restoring from backups if you don't know where the virus came from?

It's been happening more and more frequently I get viruses with no idea where they come from. I have recent backups, but I don't know if there's a point in restoring since I would just install the ...
-3
votes
2answers
125 views

What kind of virus attack is this? And what do I do now?

I have just inherited a running wordpress installation from another agency and the theme (twentyeleven) they are using for my client has been corrupted. This is what most of the theme's php files ...
-8
votes
1answer
158 views

Viable way to ruin a milk corporation? [closed]

Hack into their system and change the "Sell by" date so that it is immediately bad. How long do you think until they notice, if you pull it off?
-2
votes
1answer
149 views

Examples of images causing buffer overflows? [closed]

I remember reading a news article of an incident where a hacker was able to use an image to infect thousands (maybe millions?) of computers. Can anyone provide links to such news articles? I couldn't ...
1
vote
0answers
167 views

Problem with qgankgyefx..vbe virus

I am not sure if I am in right forum. But i am having problem with this virus. On affected computer, If we use a USB drive, all the file become hidden. I am using HFV.exe for retrieve all data in ...
0
votes
1answer
95 views

Self-changing javascript characters in text editors

On Windows Server 2008-R2, certain javascript files are exhibiting the same behavior. Text can be copied from other files and pasted into new ones. In both NotePad++ and Windows' default notepad, ...
1
vote
1answer
282 views

Detecting Malware in the android App [closed]

I've been given an APK file, and before re-distributing to the "market" I want to make sure the given android app does not contain the malware. How can I do that ? Business use case is similar like : ...
0
votes
1answer
45 views

Photo Attachment's Feature For Some Mail Servers [duplicate]

You already know google started new service which is related to gmail. http://gmailblog.blogspot.com/2013/11/attachments-in-gmail-now-with-power-of.html When we send new mail to friends.If it ...
1
vote
2answers
127 views

Getting rid of trojans on Windows XP - the basic toolkit

I haven't had to clean up PCs in a while but it's this time of the year when you go visit relatives and they ask you about this and that, malware and trojans and other delicious things that pop up in ...
0
votes
2answers
252 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.
3
votes
1answer
357 views

I accidentally installed an adware filled Firefox [solved]

I installed Firefox using a download site, rather than the correct site. After running and installing Firefox I noticed my Chrome had an addon called swift browser added to it by a third party. After ...
4
votes
3answers
492 views

How to keep Mac secure from viruses, malware and keyloggers?

How can I download and install software and make sure that it is not infected with viruses, malware or a keylogger? Also, I heard that Macs "don't get viruses". Is this true? Is it a good practice to ...
0
votes
3answers
881 views

Prevention against Cryptolocker virus by requesting password for all installing apps in Windows 7

Is it possible to protect Windows like Linux? I mean, I have Ubuntu installed on my laptop and when some program wants to install something etc. the pop up shows up and I need to type the password. ...
0
votes
1answer
112 views

Strange Virus Infecting My Server

I am currently working on a Web App on my dedicated server (LAMP) and it seems like it might be infected with some strange malware/virus of some kind. When I access some domains on that server (every ...
-6
votes
1answer
135 views

Is there any virus that delets Personal Foder? [closed]

I noticed that some special folders of my ex-HDD have been deleted. 'Personal' is one of them. Is there any virus do that?
3
votes
2answers
284 views

A new virus with unknown function

We have detected a new virus that was sent to us by mail. The email contained a zip file which contains an executable with the same name. As a first step, we uploaded the file to virustotal, to be ...
1
vote
2answers
2k views

How do worms spread over LAN? [duplicate]

I've been researching LAN recently, and I came across a post talking about viruses spreading over LAN, and I was wondering, how is this possible? Would it not be a huge security issue to allow files ...
4
votes
3answers
564 views

Is there a hash algorithm that can identify similar files or strings?

Is there a hash algorithm that will help you identify similar files or strings? For example, the hash for ABC and XBC would be similar rather than radically different as is usually the case. I know of ...
3
votes
3answers
631 views

What stops a hacker from installing it's own CA certificate?

Taking a look at this (now rather old) article about the generated rogue DigiNotar certificates, it states the following: ...Such is the case with that small company in the Netherlands, ...
5
votes
7answers
23k 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. ...