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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What exploit is the October 2017 Facebook messenger video using?
There is currently a Facebook virus going around, where a user will receive a message from a friend directing them to a fake YouTube video. The when the user clicks through the virus is sent to their ...
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Where can I find the launcher for this virus that uses Powershell?
On my Windows 10 PC after about 30 minutes of being turned on I always get a powershell window that immediately hides and consumes a lot of RAM.
So I went to the powershell directory:
"C:\Windows\...
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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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What is the typical half-life of a virus/worm on the internet?
I am curious about the typical half-life (i.e., loosely relating to radioactive half-life here), if one has been measured/estimated, for the average virus/worm on the internet.
Has anyone done a ...
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Are old Android WebViews a risk to Activesync email, and how do I block old devices?
I'm concerned that old versions of Android may be hacked through unpatched WebViews (in PhoneGap and other apps), exposing Activesync email data, and other sensitive information.
To mitigate this, ...
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I caught myself in the middle of a phishing scam
I got caught up in a phishing scam where I conducted an automated interview with emails that appeared legitimate from real people within my college.
I did respond to multiple emails and the only ...
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What does it mean when Google anti-virus engine reports "Detected"?
I need to convert a ton of directories of JPEGs into PDFs or EPUBs.
So I downloaded this: https://ci.appveyor.com/project/josch/img2pdf/build/artifacts
Being scared that it might be malware, as any ...
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How does the "ClaimLetter#.zip" attack work?
I wonder if this is the right place to ask about the specific functioning of viruses / worms. We all receive fishy mails all the time. And generally I never click on anything, especially not ...
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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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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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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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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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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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Exploitation of Resource Packages in Java
I understand this might be a usual question but I thought it'd be interesting to get people's feedback regardless as this relates to security.
In games, in particular I am thinking about Minecraft, ...
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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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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 are the main attack vectors on USB storage drives on Windows 10?
I am trying to understand what generic risks are there in using my thumb drive to transfer files to some untrusted machine and plugging it back to my Windows device. Specifically I am interested in ...
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How does the Emotet trojan activates its remote copies?
The Emotet trojan is active again and I read a bit about how it propagates. This includes phishing and having users launch all kind of files (exes, fiels with macros, ...) - a typical method.
It also ...
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Is this "no machine error" a potential security flag?
I posted this in a help forum in an unobscured version and I want to know if I opened a back door to bad guys.
```
X.x.x.y.y.y.z.z homestead #vagrant 374738jdjfjdjd (homestead-7) 7373636hdhdhd
X.x.x....
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Is this link dangerous with source?
I received a suspicious email from a friend of mine with stange name of the form first.last@zs3.szczecin.pl, where first and last are his/her first and last names. But the domain is totally awkward. ...
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How can I diagnose what happened after a system was exposed to infection?
A system was connected to an already infected (or not secure) network and was used for few hours for normal use before the infection or hacking was detected. What things or steps should be taken to ...
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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 ...
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What vulnerability is this malicious document attempting to exploit
CLARIFICATION: I changed the title as people were interpreting this as a request to help understand the code. I explain what the code is doing below (critiques on this analysis are welcome.) I am ...
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How to test backend virus behavior?
I have a website that allows the user to upload files. The front-end (web tier) checks the file extension and first few bytes of the file for the magic number of an acceptable file, but then ...
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I'm receiving text messages that my family didn't send
Lately I've been receiving text messages from family members that they did not send. All 4 family members and I are a part of the SMS group where we send and receive messages related to our family.
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What are the best security practices when when using VirtualBox on Windows 11 with an old OS?
Got a cheap new laptop to play old games with a VM of Windows XP/7, with the host being Windows 11.
Using a WiFi that isn't my own (as I don't plan on connecting to the internet with this laptop) I ...
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Zeus Trojan's Source Code
I am not sure if this is the correct platform for this question. The source code of Zeus trojan is available on the internet. It can be found on github as well. I have read somewhere that the purpose ...
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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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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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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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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 Logitech wireless headphone usb receiver be infected?
So I think they call them “dongles”? The usb wireless receiver that’s plugged into your computer? Can they get virus from a computer that has been infected? I imagine it’s no more vulnerable than say ...
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Android 10 downloaded suspicious files without my permission
This is my first question on this forum so please let me know if I need to clarify anything.
My Android 10 Pixel 2 just downloaded 2 files without my permission today, both named something to the ...
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Logged in with a hacker's email address
I have an active account at ebay-kleinanzeigen.de (like Craigslist in the US).
Today I got a valid email from them that my email address was changed.
On my mac, I opened up my ebay-kleinanzeigen ...
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Keylogger, Published by Microsoft
Is it possible for a malicious Keylogger to appear as "Published by Microsoft" in the task manager? (I do not mean if windows have a build-in keylogger)
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Does psexec exist by default on all Windows 7 machines?
During a review of the registry editor, I found psexec and psloggedon installed upon my personal laptop. A few times, I have also observed my anti-virus restricting communication with a external ...
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Check all components for firmware manipulation?
Is there a way to check most flashable components such as Ethernet card, UEFI, Bluetooth & WiFi card, DVD driver, USB port for firmware integrity? Of course I'm not talking about using software ...
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Virustotal detecting threats in Suricata rule set
Virustotal scans are detecting threats from the Suricata default rule pack located https://rules.emergingthreats.net/open/suricata-4.0/
Is this a false positive?
https://www.virustotal.com/#/file/...
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Re: Intel IME\physical-access exploits - Has a Manufacturer ever (unintentionally) released malware-infected PC Components?
Given the discovery that Intel's IME can be hacked by USB (since 2008), I started researching hardware level exploits - like the Stuxnet USB attack on Iran's Nuclear plant and I'm curious about the ...
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Can a mac carry viruses that could infect a pc via usb stick?
It is common practice for lots of users not to have an antivirus installed in their mac. Even if the viruses cannot infect the mac, can viruses be carried in it and spread to a pc via a usb stick? Is ...
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Shortcut Virus: All contents of my USB gets transferred into an unnamed hidden folder
Whenever I connect any USB into my PC. All of the contents of my USB gets thrown into a hidden unnamed folder which is getting irritating.
I have tried to search online for solutions but none of them ...
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Protection against Bad USB not working for me
Protection against bad USB as described in this thread by user 10008 in the top voted answer is not working on my PC at the moment.
I tried it when trying to install Ubuntu from a Live DVD to a USB ...
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Can virus survive macOS Recovery?
In what scenarios would a MacOS virus/malware/rootkit/etc (I use those terms to englobe all types of undesirable or malicious software or code) resist a format of the hard drive in MacOS recovery?
I ...
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What is this NAT rule forwarding UDP port 1052?
I just went to have a look through some router settings today and found an unknown new entry in the NAT table, forwarding UDP port 1052 to the same port on a host which runs both Windows 7 and Linux. ...
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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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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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How to protect against simple web distributed viruses
I work as a data recovery consultant and a surprisingly large number of my clients are individuals that caught a virus from "The Internet".
A lot of people would browse dodgy websites, download all ...
