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

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Virus Infected: unable to open anti-virus web sites?

Recently I installed KMSPico, after that many unwanted softwares were installed on my system, later I uninstalled all of them and removed related folders. But strangely from my system I couldn’t open ...
6
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3answers
4k views

How to detect a virus in a network card?

How can I know that a network card in a server was infected by a virus or not? Are there any methods to check it?
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1answer
43 views

Not sure if I have got a virus [on hold]

About an hour ago a friend of mine sent me a suspicious link on Skype. It was a 'Goo.gl' link with my username in the url. I accidentally clicked on it and think I've gotten a virus. However I'm not ...
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1answer
24 views

how to debug for DNS changing Maleware on (linux/android)?

So by opening an application/browser on my Android device, I found that it pops open a set of ads. I channeled a proxy through my laptop trying to track the first web site it connects to. Later I ...
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2answers
42 views

What is meaning of the term Whitelisting in antivirus?

How exactly does whitelisting work and what does it mean in terms of antivirus software?
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0answers
31 views

How does quarantine feature work internally in antivirus? [duplicate]

I'm struggling to find out the internal encryption and details of quarantined file. if any body knows the information please share.
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3answers
170 views

Fiddler show external requests but not initiated by any legitimate process

While debugging my web application in Fiddler, I found out that there are some suspicious requests to some hotel sites, search requests to google.pl. etc. See below images. Strangely there no process ...
2
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3answers
121 views

Receiving packets from Amazon

I ran a Wireshark packet capture on my home Windows PC, as there was some suspicion that I was infected (although I notice nothing out of the ordinary and both Avast and Malwarebytes detect nothing). ...
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1answer
37 views

Are the Linux community/universe repositories significantly less safe then the main repositories?

If so what makes community/universe less safe? Is there less testing or is it simply less safe because more people could put malware in them.
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3answers
150 views

Is malware distributed with pirated software actually common?

An often-repeated piece of conventional wisdom goes like the following. Don't download pirated software, they often contain malware. I'm curious to know if there are any hard facts to backup ...
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3answers
690 views

Removing a Redirect Virus from Fedora Linux

Despite several attempts listed below certain websites are getting redirected to a certain ad website automatically, out of the blue on linux. When some website starts redirecting to this ad website ...
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1answer
31 views

Where can I get more info about these viruses?

I've been using Airtel 3G Dongle (Data Card) on Windows and ClamWin has detected the following viruses in the dialer software of Airtel: C:\Program Files\airtel\TCPOptimizer.exe: Win.Trojan.Swrort-...
0
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1answer
49 views

How to deal with possibility of viruses on Dropbox, Google Drive, external hard drive, etc?

For home use, what is the best way to deal with viruses that could be on external storage, which seems like a great way for hackers to persist on your system even after a reformat. Maybe the best ...
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1answer
38 views

What kind of damage does the HummingBad Android malware do when it fails to gain root access?

There is this Android virus out there called HummingBad, and it seems the first thing it tries to do is try to get root access. There are so many device models out there, and the rooting process is ...
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0answers
29 views

How exactly does the HummingBad Android malware gain root access?

I've read a little bit in the last few days about HummingBad, an Android virus which tries to gain root access. It seems to use the root access to display ads and install apps. Varying estimates put ...
7
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2answers
443 views

Can viruses access passwords that have been saved by a browser?

Say I use Chrome on a new computer to log in to a website, and I select the option to have the browser remember the password. Then I download a straight-up smorgasbord of viruses of every kind. Can ...
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2answers
5k views

CloudFlare - prompted for “attention required”

I am getting a CloudFlare - attention required / security check prompt on most of the sites I visit through my Macbook running OS X Yosemite, these sites work perfectly on other devices (such as iPad, ...
0
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1answer
59 views

How does the quarantine of anti-virus/malware software work? [duplicate]

What is the quarantine of antivirus software? Is it just some strict user/group rights and changing file extension or is it an actual moving the file(s) to a virtual environment? How is this software ...
4
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2answers
736 views

Why does Antivirus Softwares have an Issue with EXE Packers

Im trying to pack an Executable using an Exe Packer like UPX.I packed and checked the File with VirusTotal.com.Here some 9 Antivirus Products say its a Virus actually its a harmless exe.I think the AV ...
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1answer
76 views

Can you get a virus from sending a GET or POST request? [duplicate]

If I need to fix up my question in any way please let me know, this is my first question on the site So there's a game development website I use where you can develop with other people, and within ...
27
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1answer
3k views

Has malware ever been found in a package from a large Linux distribution and what is done to prevent this from occurring?

I am wondering exactly how safe are the Arch, Ubuntu, Mint and Manjaro repositories. What testing is done to ensure that a trusted user does not place a virus in a package, and how often?
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1answer
82 views

My mouse sometimes move without reason. Could it be a virus persisting Ubuntu reinstalls? [closed]

I am running Ubuntu Linux and I have reinstalled the system several times but sometimes I still feel like somebody gets remote access to my computer. I'm not running any software like Team Viewer. I ...
0
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0answers
53 views

Why does Windows Explorer connect to some IP address? [duplicate]

I recently found that my Windows Explorer is connected to some IP address from Spain. As I know that Windows Explorer should not connect to the Internet, I installed an antivirus and firewall, which ...
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2answers
110 views

How To Remove Possible Virus Files

See the original question. Using both AutoRun, where I disabled anything that wasn't verified or highlighted (that seemed suspicious), I looked at Process Explorer and found the above unverified. In ...
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3answers
14k views

Is there any virus that can cause physical damage

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 ...
2
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1answer
223 views

How to scan large .bin files for malware?

I know about websites like VirusTotal, and programs like herdprotect. I'm using Avira and Superantispyware, but once the large bin files are scanned, usually nothing is found. But after running an ...
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6answers
4k 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 ...
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1answer
819 views

Prevent CryptoLocker on Server

Are there any ways to prevent files associated with CryptoLocker, to be propagated to a data server, by means of a back up? We use Cobian as our backup system, and it backs up the user's directory to ...
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0answers
20 views

Laptop adware issue [duplicate]

So I stumbled upon a problem. I host a website and on my laptop every time I visit it, it has tons of adware on it and stuff. When I go to the index version of it, it is clean. Example: http://...
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2answers
62 views

If I run an infected DOS .COM file in DOSBox on C: directory will my main OS be damaged?

I want to test some DOS viruses. If I run them from C: will my computer be damaged?
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3answers
324 views

Virus using input from victims mic to generate encryption keys [closed]

I am a software engineer from Bucharest and I've created an audio based encryption and authentication application called WaveCrypt. It basically allows users to encrypt (AES) their files with an ...
17
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4answers
11k 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?
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0answers
58 views

Trying to build an offline virus total type product

I have been tasked with finding a way to scan a file using multiple AV products. The machines this is to be used on cannot be connected to the web, due to lab restrictions and the AV products cannot ...
0
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0answers
71 views

A JSE file was downloaded after clicking a notification on my Facebook account [duplicate]

I got a notification on Facebook that says "Finn mentioned you in a comment". After clicking the notification a file was downloaded on my phone. I found it unusual because when you click a ...
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4answers
5k views

Suspicious JavaScript in website header

I am not sure if this is the correct place to ask a questions such as this, apologies if it isn't. I have found the below code in the header of one of my wordPress websites, I am pretty sure it is ...
2
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2answers
171 views

Where to download thousands of virus samples for AV testing?

I'm making an antivirus test just for my own, and I need thousands of malware samples (about 10k-30k, but the more the better). Please don't even mention Eicar test file because this will be a ...
2
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2answers
100 views

Hardening Javascript in respect to Javascript Malware/Ransomeware like Ransome32

Are there any methods or standards to harden Javascript implementations to help reduce/remediate the the risks associated with Javascript malware like the Ransom32 or other types of Javascript attacks?...
0
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1answer
90 views

Virus suspicion on website built with PHP Codeigniter [duplicate]

I have received a website, which uses Codeigniter, to modify. The problem is, sometimes when I refresh the main page, a strange file named "download" with the Windows icon will start to download. I'm ...
51
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10answers
17k views

Can headphones transmit malware?

Can headphones transmit malware? My friend borrowed my headphones (a pair of Apple EarPods) and plugged them into his Android mobile phone for a few minutes in order to listen to a voice message. ...
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7answers
327 views

Difference between virus and trojan?

To my current understanding: A virus is a program that does not self replicate and relies on the host file being spread. It has malicious intent. A trojan is a program that is run by deceiving the ...
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3answers
1k views

Is mgicinjs.info a virus or malware site? How to get rid of it?

Today, I noticed that almost all of my web project (published or in localhost) have a set of weird script references in their pages: And they are all automatically generated - they don't appear in ...
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1answer
77 views

What to do after exposure to a drive-by infection?

I clicked on a link that pretty clearly offered exposure to a drive-by infection. I won't post the link itself, but I got it from a link which is inside a reddit link (obviously the reddit website ...
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1answer
82 views

A have virus in Avira Antivirus(macos) aescn.dylib file [closed]

I get a virus report from TrendMicro-HouseCall, that the file aescn.dylib(sha256 ae96a241177e0c46cd70892593eb7af5a76fad5175bfb76681a85bf270af777d) is a virus called Keypress-9. I checked it on ...
2
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3answers
6k 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 ...
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1answer
91 views

checking if malware altered system files in windows

a friend called me today because he opened an attachment of an email. It was a double zipped exe file - and malware: I started to analyze the file: first with virustotal - then with radare2 and the ...
1
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1answer
79 views

Boot-sector virus - can it spread only through floppy disks?

Do boot-sector viruses spread only through floppy discs, and so are the thing of the past, or can they spread through USB, removable hard drives etc? Techopedia states: The propagation of boot ...
0
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1answer
58 views

Is virus removal a security risk comparing to reinstalling everything from a clean source? [duplicate]

Why would it be a good idea to run a tool to remove a virus? You know that your system was compromised, but you don't know whether the antivirus tool will work.
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5answers
3k views

Dualbooting Windows and Ubuntu, can I get Windows viruses/malware while running Ubuntu?

Today I have both Windows and Ubuntu installed on my SSD. What happens if I for some reason get a malware/virus (targeted for Windows), perhaps downloading something I should not, while I am running ...
2
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1answer
69 views

How do boot-sector viruses propagate?

I'm doing research on various malware and I came across boot-sector viruses. Kaspersky states that "they are not designed to infect removable media." My question is, how do they spread then? Again ...