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Questions tagged [virus]

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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I clicked on a suspicious link with cross site scripting vulnerability [duplicate]

I clicked on a suspicious link with cross site scripting vulnerability. Redirected me to youtube's home page. Anything I can do right now?
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1 answer
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Can I get viruses from compiling C# code?

I have found a tool that requires me to compile it with Visual Studio. I am not sure if I can do it without the risk of malicious software being installed during the compiling process. Is that ...
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Can a device be remotely accessed without anything needed?

Suppose you have a target machine (desktop, smartphone, server) and that you have any needed knowledge about the target machine to perform the following task. Is it possible to infect given machine ...
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2 answers
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Unintended file downloaded. Am I likely to have gotten a virus?

I clicked on a link that appeared to be perfectly legit. It proceeded to bring me to a suspicious website that downloaded a file to my PC automatically. I deleted the file quickly and never ran it. I ...
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2 votes
1 answer
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Infecting laptop through a nearby Wi-Fi network?

Can a laptop get a virus through a Wi-Fi network with connected infected machines without connecting to the network (just by being withing the reach of the network signal and sensing it)? And vise ...
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-1 votes
1 answer
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Malware from Android text?

Lots of questions! I clicked a scam USPS link on my phone while half asleep. The website loaded and a small window popped up immediately and I quickly backed out of my browser but briefly saw the site ...
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Can a website access your browser password vault using a button that the user clicks? [duplicate]

I'm asking this question because almost all new websites ask us to click Accept Cookies button. So I click it reluctantly. I am afraid that the Accept Cookies button action would trigger some script ...
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Virus from Embedded Image in Mac Mail?

I'm using macOS High Sierra, and mac Mail version 11.3. I have a script that uses the Twitter API to continually fetch tweets in real-time and send the contents of each of these tweets, including any ...
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C# Hello World program detected as virus

I just wrote and compiled a Hello World program in C# (I'm using Visual Studio 2022) and when I sent the file to VirusTotal, 1 antivirus program detected the exe as unsafe (VirusTotal results of C# ...
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Microsoft Defender flagged Surfshark.exe as "Misleading:Win32/Lodi"

Can this be safely ignored? VirusTotal shows that Microsoft is the only security vendor that flagged this file as malicious. I did not modify my Surfshark installation in any way, except for an update ...
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What firmware components of a PC are writeable?

What firmware components of a PC are writable? For instance which components have the ability to store rootkits or viruses?
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Can a mouse contain viruses? [duplicate]

My mouse dongle was plugged into a laptop infected with a Trojan Virus, is it a possibility for the mouse dongle to be infected?
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Does malicious MS Office xlsb file with macros posses risk to OpenOffice?

I opened malicious MS Office xlsb file with OpenOffice by huge mistake. I am wondering does it possess any risk? From what I am aware Excel macros are not compatible with OpenOffice. So I should be ...
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Is this weird folder "Up8d76c_31187" a windows thing?

I noticed it becaue one of these exe's started running after a BSOD. Putting one of the exe's into VirusTotal gives it a 3/70. How can I examine this further? Edit: Other exe's are worse: VirusTotal ...
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Malware link to QNap - What does this do?

I found shortcuts on shared drives in an org on the main drives (C,E,F,etc) but like so (.E, .F, etc). All of them have the ownership set to 'Everybody' only and only have read permissions, so unable ...
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What is the difference between malware signatures and malware artifacts?

I am trying to analyse some malware samples but I am trying to understand the differen between malware signatures and malware artifacts. As far as I understand (and from what I've understood from this ...
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2 answers
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Clamav identifies Certbot files as infected

I ran Clamav on an Ubuntu 20.04 machine and it identified ten Certbot files as infected. /snap/certbot/1670/lib/python3.8/site-packages/pip/_vendor/distlib/t32.exe: Win.Malware.Generic-9937882-0 FOUND ...
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Is doc file really modifying registry in Windows?

Been given a .docx file to check whether it has a virus or something, ran McAfee and SuperAntiSpyware on it and results came back negative so I though it was good and proceeded to open it, just a file ...
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Do viruses spread by infecting other files on an infected machine?

Suppose malware lands and executes on a computer. Could this malware attempt to spread further by writing itself to data files (images, pdfs, docs) and hoping that the owner would transfer or upload ...
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2 votes
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Can a virus infect windows 10 bootable media?

I created a bootable windows 10 usb from my friend's computer. I used the official tool from microsoft. I was dumb enough to not check my friend's computer beforehand (turns out he had Utorrent Web ...
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Docker for canary file and virus detection

I am looking to create a pipeline for cleaning a large amount of files which may include files infected with viruses or canary tokens (to communicate with the attacker). My strategy at the moment is ...
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1 answer
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Can two antivirus softwares work on one android phone?

Scenario: You have one antivirus installed on your phone. You suspect that your phone might have malware on it so you do a system scan and your AV doesn't find anything. So you decide to download ...
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Infecting files on GitHub

Suppose one uploads (carelessly or purposefully) a file with a malicious payload to their Github account (some pdf document, picture, etc.). Could this payload somehow be executed on the Github ...
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What equipment would an attacker need to infect a SIM card?

I'm aware that SIM cards can store malware according to this question but what equipment would be needed to do such an attack? For example, would you need a Computer and a SIM card reader or could it ...
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1 vote
3 answers
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Mistyped "google" and came to a suspicious page with a browser hijacker

I misspelt google as "googe" (very dumb, yes). It took me to a page that asked me to enter my birthdate. The URL was something along the lines of luj dott proasdf dott com After going to ...
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Looking for some advice/knowledge regarding malcious infection in Win10 [duplicate]

I'll start by saying I'm a complete noob when it comes to anything computer forensics, malware analysis or anything similar. Let's just say i hypothetically in the past had downloaded some not so nice ...
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Are there security risks to enabling 32-bit applications to run on Windows 10?

I'm installing an old game (32-bit) on my laptop (Windows 10 64-bit). This guide suggests enabling 32-bit applications to run with Internet Information Services (ISS), with the following steps:. In ...
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Do pdf files pose a higher security risk than regular image files (png, jpeg, etc.)?

Do pdf files pose a higher security risk than regular image files (png, jpeg, etc.)? In my understanding is that most image files don't carry any security risk because all exploits were fixed, but ...
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I ran an exe file on my computer [duplicate]

I downloaded a crack file today, Idk why I thought its safe to run, now my pc is infected. I already used Tronscript, kaspersky and hitman what else do you guys suggest me to do? thanks in advance. ...
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2 votes
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Why doesn't Defender get suspicious if a program adds exceptions to the Defender?

One can simply add exceptions to the Windows Defender by running this command in Powershell: Add-MpPreference -ExclusionPath <your_path> Why does Windows Defender not immediately flag programs ...
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What are the risks of using an unpatched device connecting to the internet infrequently?

My grandfather is interested in buying a smart tablet. He never had any personal computer or any internet connection. He wants to use his tablet solely to read the newspaper, as they no longer deliver ...
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What can happen when you click on a bad link? [duplicate]

I sleepily clicked on this bad link yesterday (DONT CLICK Unless you know what you're doing: https://6to.me/idsoni7kjv with a "?fbclid=" param - presumably identifying me) I'm wondering how ...
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Can an HTML attachment in an email contain a virus?

I received an email from an old colleague asking me to take a look at an attachment. The email didn’t seem suspicious at all, it contained all the right logos, etc. When I opened the attachment it ...
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Why is my unpublished app being run remotely? New info and an answer

This is a follow-up to a sequence of earlier posts. The posts have been closed because they did not meet the moderator's expectations. I have new information, and I'm re-posting so that I can answer ...
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1 vote
1 answer
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Avast: studio64.exe detected as ransomware

Avast detected Android Studio (the latest version) as ransomware. Here is the message: studio64.exe is trying to delete or change the file C:\ProgramData\Microsoft\Crypto\RSA\...
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If a malware infects a usb, will formatting remove it? [duplicate]

My computer probably had malware. Decided to install linux and do a disc wipe using a linux distro called Pop!_OS (ubuntu based) Can a piece of malware/virus inject itself into an ISO According to the ...
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How common are firmware infections?

Hard drive firmware infections were documented in 2015: The hacking tool, believed to be a product of the NSA, is significant because subverting the firmware gives the attackers God-like control of ...
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How can I know if phone is already infected?

Last year, my friend who is learning hacking for nearly 3 years hacked my phone using social engineering by installing some malware in my phone. (After researching on Google, I think it might be a ...
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3 answers
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Can spyware be downloaded and installed on Android phone in a minute or less?

Following Scenario: You unlock your phone and you give it to someone so they can promply check it out (since it's a new phone). Now let's presume that the very exact person has intentions to install ...
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Is it possible for malware to infect google drive?

If I move a malicious file to Google drive, can my other files there get infected? Or can my google account itself get compromised?
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Realistically, how likely would an average "nobody" user's machine be infected with a virus that can survive a full-format re-install?

I've been experiencing degraded system performance due to undetermined reasons and plan on adding an M2 SSD drive to my 6 year old laptop and doing a fresh re-install. Being Windows 10, I don't have ...
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Can malware go from a computer to an android phone

My computer (probably) had malware, and during that time I connected my phone to it (via USB) for transferring files, using as midi, etc. Is there a chance the malware could've spread from the ...
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Can browser extention be compromised via cookie hijack?

Recently my PC has succumbed to an attack of this form caused by trojan and most propably all my cookies from Firefox were stolen. I concluded that after finding out that someone logged on to my ...
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Does a virus (malware) ever expire?

There's a possibility that my old USB stick (which I haven't used in over a year) got a virus-infected audio file (AAC) among other trusted files. Can I safely open the trusted files bypassing the ...
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8 votes
4 answers
6k views

Can a virus infection spread from a PC to a PCB and back to a PC?

We have some equipment that is linked to PC's. These PC's acquire data from the equipment that they send to a server through an internal network. Furthermore these PC's are used to mediate ...
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Remote detection of a trojan - how can it be done?

In this blog post CyberCube claim: CyberCube observed a malware infection on Colonial Pipeline’s network named “trojan.win32.razy.gen” I'm really curious to know how this could be done from outside ...
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Ransomware and cloud servers

Can a ransomware attack on a user's local machine affect the server of the company he works for, even if that server is in the cloud (VPS) and can only be accessed via SSH (with a key file, no ...
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How do memory resident viruses work?

Two part question: 1-How do memory resident viruses stay in memory after the program which loaded them is finalized? If all memory is automatically deallocated by the OS once a program is finished, ...
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2 answers
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How does a browser stop malware from executing? [duplicate]

When it comes to infections with viruses, in almost all cases the initial infection requires some sort of user interaction - apart from those cases where a plug-in has some sort of security flaw which ...
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2 votes
1 answer
308 views

Is it still possible to get a virus simply by visiting a website? [closed]

I know this is a duplicate question, but there aren't any recent updates on the answers given to this question(here and here) and after a few years, I'm sure browser security has improved drastically. ...
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