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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Are there some viruses that write assembly code instead of machine code, and use an external assembler?

Like the question says, I am wondering if there are some viruses that do not write machine code themselves, but instead output assembly code and invoke an external assembler? That sounds like a ...
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How to remove IGAL ransomware [duplicate]

The IGAL ransomware is a malicious program that encrypts the personal documents found on the victim’s computer with the “.igal” extension, then displays a message which offers to decrypt the data if ...
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Is this SMB attempt malicious or normal Windows behavior?

The red client (10.1.0.82) is attempting to connect to the green server (10.1.0.32) through SMB over NetBios port 139. The connection is initiated from the System process (PID 4) on the red client, ...
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Connecting Pendrive used by multiple users

Tried looking for it but didn't find solution. So basically every once in a while we are getting from our kindergarten an USB pendrive with photos. I am trying to find a way to safely copy the files ...
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Why does Kaspersky anti-virus not consider this executable as malicious?

I was trying to learn file I/O and related function in C, and thus tried to create a baby-version of a virus. Following is the exact code: #include <stdio.h> #include <stdlib.h> int main(...
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Is it safe to view a file on Google Drive?

My laptop got infected with a virus. It was "cleaned" by a professional but I am now reluctant to transfer files I had on my laptop to other computers. I have plenty of images, MP4s, Word, ...
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Can malware infect computers via wifi routers and mice? [duplicate]

My computer was hacked, which probably resulted in malware/a virus being installed so I'm using my most recent backup on a separate machine (all macOS). Luckily, I was able to determine the timing of ...
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Can a .jar file execute malware on macOS without running it?

I've heard java files can pose a significant security risk due to vulnerabilities. Is it possible for these java files to infect a computer with malware if they are never run? In my case, I am ...
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Hacked through Redis — red2.so [duplicate]

I’ve been building a web server (using Ruby on Rails) that uses Redis on my macOS machine. I’ve been using Redis locally on the default port without a password because I didn’t think it was accessible ...
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Can just clicking on a malicious link lead to hacking of my device? [duplicate]

I was not sure about it and I got some answers from internet but didn't get the logical reasoning behind it. If I just click on a malicious link it might open a new tab, or it might download something....
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Is my Windows 10 infected with malware?

When i use google chrome occasionally appears about 5 different McAfee's notification (I don't have McAfee installed), one of those: ATTENTION! Your computer is in danger. We detected a virus on your ...
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Did I just get hacked? [duplicate]

Yesterday I was on a call with some friends on the discord when suddenly the sound of the windows was silenced and my cursor started to move robotically, as if I was fighting a tug of war with someone ...
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how to download software without fear of viruses? [duplicate]

I've always been afraid of downloading software because of viruses, and that has affected my life as a programmer a lot. So, I want some tips to be able to install and download software without fear ...
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Does DVD+R have an MBR? If it does, can a virus that overwrites the MBR overwrite the MBR on the DVD+R?

Does DVD+R have an MBR? If it does, can a virus that overwrites the MBR overwrite the MBR on the DVD+R? I'm about to run a virus in a virtual machine with the DVD mounted because the virus is on the ...
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How to tell if my browsers are infected by ADROZEK?

MS has exposed ADROZEK: https://www.zdnet.com/article/microsoft-exposes-adrozek-malware-that-hijacks-chrome-edge-and-firefox/ I would like to know if the browsers (Chrome, blue ff) of my Ubuntu 20.04....
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Malware on Mac OS Big Sur and/or Catalina

So I was wondering if I were to be infected with malware would it be visible? For example most malware will want to gain access to system files. Since Catalina Apple introduced some insight into ...
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Did a virus like this really ever exist? [closed]

I know that this world is very evil, and that the most unfathomable things go on around the clock, inside and outside of the "computer world". However, I sometimes really wonder if certain ...
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How to safely open two large files (.rar and zip) from google drive on mac?

I have two archived files which were shared with me on google drive. Im using a mac. Both are 9GB if I'm remembering correctly. The files are too large for google to scan for viruses, and too large to ...
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Can visiting website infect computer? [duplicate]

I have heard online that simply visiting a website can infect a computer. I had an instance recently where someone I know sent me a link but misspelled it. The misspelled link lead to a malicious ...
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Ransomware/Virus/Malware - modern protection(s)

Just found this on GitHub: https://github.com/gnxbr/Fully-Undetectable-Techniques/tree/main/minizinh0-FUD I can imagine similar ransomware, malware, viruses exist. AV is useless? Is only Behavior ...
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Is it safe to have 2nd SSD with dangerous software? (disk encryption of the first drive turned on)

Currently, I'm using 1 SSD and I think it's safe. I'm thinking about using 2nd SSD for unsafe software (pirated software). Is it possible that the virus on the 2nd drive can reach the 1st drive, ...
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Does a hacker know which IP they hacked?

Suppose someone hacks my computer (by any means, say a virus or trojan like RAT), will they be able to know my IP address in real time? This is about dynamic IP addresses.
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How can antiviruses protect our computers if virus maker checks them with antiviruses?

I would like to know if we can really trust antiviruses because virus makers check their virus with antiviruses before releasing them. So how can we place our confidence in antiviruses?
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Can converting a virus-infected webpage to PDF format still contain viruses [closed]

So I know that PDF files can contain viruses themselves if they are target specifically for that purpose. However, my question for here is this: If a webpage that has some malicious scripts or a virus ...
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Secure MacOS against malware and external threats?

Often I am required to connect to public wifi or open files that others send me. Doing so opens me up to possible credential theft as well as possible viruses or malware. Thus far I have done my best ...
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Potential danger of infection through downloading malware?

Recently I was on Nox Player's website checking out their Android emulator. I did some googling and came to the conclusion that it was bundled with tons of malware and as a result didn't install it. ...
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We were hacked and have no idea how [closed]

Last Friday, 7 of our employees' office365 email accounts were hacked simultaneously. We saw successful logins from random US addresses. The virus went through emails and basically does a reply-all ...
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Does SandBoxie have a virus?

When I try to download SandBoxie in the 64-bit version, at this link: SandBoxie and I analyze it with VirusTotal, it tells me that it's safe, but when I analyze some relative files, called: ...
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How to check which process is modifying my clipboard?

I'm on Windows 10 last build and for a few days it looks like I have a malware that modifies ethereum addresses in my clipboard. I sadly tried a lot of antivirus, antispyware and nothing is found. I ...
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Lateral movement while on VPN [closed]

Now that everyone is working from home using VPN, if infected by any malware, is lateral movement possible?
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Getting AVAST alert during program update/upgrade in Kali Linux

So i started to use VirtualBox in windows 10 and i would like to know if those alert from my windows 10 security program (avast antivirus), during my installation/upgrading of TheHarvester program at ...
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There's a virus in my explrorer.exe file in local disk C [duplicate]

I have a virus in my explorer.exe file. Because of that virus the desktop screen gets black sometimes. Then i have to open task manager, browse the explorer.exe file and open it. This solves the ...
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Using other programming languages for malware against EDR?

As an example, one of the most basic malware to inject into a process to get a C2 beacon goes like this: Get Handle of a process -> VirtualAllocEx -> WriteProcessMemory -> CreateRemoteThread ...
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Is the most secure way of viewing an infected pdf file through a cloud pdf reader like xodo using a pdf uploaded to Google Drive?

Is the most secure way of viewing an infected pdf file through a cloud pdf reader like xodo using a pdf uploaded to Google Drive? I have a work laptop and I currently work for a small startup that had ...
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What does the bizarre text mean at VirusTotal?

I downloaded Bitcoin Core from here: https://bitcoin.org/bin/bitcoin-core-0.20.0/bitcoin-0.20.0-win64-setup.exe I then uploaded it to VirusTotal: https://www.virustotal.com/gui/file/...
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Can I trust a used motherboard purchased from a seller in China? [duplicate]

The ASUS motherboard in an older PC I own failed. I purchased a replacement from a vendor on eBay, shipped from China (Shenzhen). Only after receiving the motherboard did it occur to me to wonder ...
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How Do I Recover Files That Have Been Replaced By a Virus and Get Rid Of The Virus? [duplicate]

I was trying to open Adobe After Effects recently but it was taking a lot of time to load. I checked task manager and found several instances of the background process "Ashampoo Snap" opened....
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Invisible virus [duplicate]

Recently my brother brought a usb from his friends to copy stuff from and ended up infecting my pc in the process. I tried to solve the problem by installing kaspersky and doing a full scan of my ...
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Is Chrome Browser/ Computer compromised by KMSPico?

I recently installed a new windows key for my friend. He was using a hack program previously, known as Auto KMS. So after new keys installation, I used Windows defender to remove AutoKMS program. The ...
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Can a .exe file scanned and verified safe by many antivirus hack my personal information?

I recently downloaded a .exe file from a person's github. I scanned the file in virustotal.com and it showed none of the antiviruses detected a virus. When I checked its behaviour, it had access to ...
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Is a virtual machine efficient for isolating viruses from pop-up ads? [duplicate]

To be more clear, I would like to access movie streaming websites which have lots of (pop-up) ads and I’m fearful that I might deal with viruses. Would VirtualBox help me isolate this type of viruses? ...
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148 views

“Life is not easy.” Linux virus : what to do next? [duplicate]

Context I found out my Linux server was infected. Symptoms were : 100% CPU usage when idle, slow download speed, iptables rules keeps growing. After finding the processes, killing it and all the ...
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Risk of Performing Mime Type Detection Before Virus Scan

Should one perform a virus scan on a file (using ClamAV) before attempting to determine it's mime /content type (using Apache Tika), or does it not matter?
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Unrelated applications like games accessing 'webcache' related files

As title suggests im wondering if a game ,for example, has any business accessing 'webcache_counters'. After attempting to clean my webcachev01 file due to its oddly large filesize given the fact i ...
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Can a website keylog you outside a virtual machine

I came across a suspicious website called keylog.me (you can already tell from the name). I was as curious as heck to find out what it does, so I got on a VM (Fedora Linux which I reinstalled later) ...
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What should I do if I'm receiving Tiktok verification code even I don't use and have deleted the application in my android device?

What should I do if I'm receiving SMS on phone giving in verification code of TikTok app despite I have deleted and no longer use the application in my Android device? I got an international call ...
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Can I Hook Up A Infected Drive To Another Computer?

I have an old computer that has old games on it and has some kind of virus or such. If I hooked up its drive, would I be able to copy the files over to my laptop, or would even connecting the drive ...
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Can a headphone or earbud (bluetooth or wired) transmit malware between computers? [duplicate]

I have an old computer and I am sure it has trojan or malicious code but after that I bought new one. The problem is I did not change my old headphone that I used in my old computer and I plugged it ...
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Antivirus constantly detecting temp files as threats [closed]

My antivirus has been constantly detecting threats and It's always temp files. Everyday I open a programme or use/inject a dll and it detects a Gen:Variant.Application.HackTool.180 or Tojan.GenericKD....
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How can I determine if my system was infected?

At the risk of being overly cautious (after a bout of recklessness, due to being groggy from lack of caffeine), I want to be certain that my system is not infected after running an infected file. I'm ...

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