Questions tagged [malware]

Malware (short for Malicious Software) is a type of software designed to access a computer system without the owner's informed consent.

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Monitor keyboard access on the Windows lock screen

I don't do this very often, but every time I lock the screen in Windows [Win+L], the keyboard (and sometimes the mouse) stops responding and it goes straight into the password field and it starts ...
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2 votes
1 answer
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My CPU is working on 100% until I open Task manager

I am here because I have a problem. My CPU is working at 100% (while I am idle) until I open Task Manager. When I open Task Manager it shows that my CPU is on 100% and after a half seconds it ...
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How to start in SpyHunter 5 scan offline?

currently I collect good tools to remove malware in sad case of getting infected despite live-protection from AV. Now I'm interested in SpyHunter 5. Despite being aware of program suspicious past I ...
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1 vote
0 answers
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Windows OpenedFilesViewer. Strange unaccountable file handles

If using the nirsoft’s OpenedFilesViewer, which prints file handles. There are some “processes” with strange chinese characters that have a handle on inexistent files on C: drive. I haven’t paid much ...
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What's the safest way to open a suspicious link?

Sometimes I get very suspicious messages or I see a random link somewhere I obviously don't click on them but I'm still curious what's on the site. So that makes me wonder what's the safest way to ...
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1 answer
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How do I ensure a laptop doesn't have any sort of bug or tracking device?

Someone recently gifted a laptop to a friend of mine. Without going into details, the friend is suspicious of malware / bug / tracking, but it is a very nice laptop and they would like to keep it. How ...
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1 answer
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How do you find what program is installing third-party Chrome extensions?

When I added a new profile to my Chrome installation I get the alert message in the top-right New extension added (Web Safety) Clicking on the alert message opens a message saying that another ...
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Can I got hacked when I use an online youtube downloader [closed]

Title says all. If I use online youtube downloader, is there any risk of putting my computer into danger? Like the video / audio file can contain dangerous executable code?
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3 votes
1 answer
319 views

What could cause my OS to be slow?

My dual boot linux-windows got slow on both operating systems. The GUI components render slow and sluggish. I've tried everything I know but haven't been able to pinpoint the issue. Malware: I ran ...
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Need to find and remove malware [duplicate]

I am aware that there is a hidden malware application on my Windows 10 computer. I am uncertain exactly how it got there, but I have a hardware firewall that is informing me periodically of repeated ...
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Suspicious traffic in nethogs

Screenshot: So as you can see there are many connections and I have not even opened any browser, the screenshot is taken immediately after restart. What are these connections? Should I be worried ...
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2 answers
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Is it safe to connect externally an infected internal HDD to another PC for data transfer?

If I remove the infected drive from its computer, and connect it to another computer using SATA-to-USB connector to transfer images and documents, is it safe? Since Windows is not booted on the ...
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Windows: how to stop a web page being loaded at logon

I installed Diskinternals Linux-Reader (using chocolatey) on Windows 10, and since then, even though I've uninstalled it, my browser always opens the Diskinternals website whenever I log on (how to ...
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Clean install Windows 10 - is it dangerous downloading a fresh install to a flash drive on an infected PC?

I read this thread: How can I remove malicious spyware, malware, adware, viruses, trojans or rootkits from my PC? Excellent write ups and thank you to everyone who posted something I learned! I was ...
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1 vote
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Mysterious hidden files in C:\Windows -- are they malicious?

A few months ago, I noticed two strange hidden files in C:\Windows. They had seemingly random alphanumeric names, no file extensions, and seemingly random binary content. I didn't think much of it at ...
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1 answer
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Monitoring suspicious processes on macOS without Activity Monitor?

I've recently noticed my mac overheating and its fans ramping up after being left idle for a few minutes. What really makes me suspicious of it is that when I launch Activity Monitor to see what ...
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-3 votes
1 answer
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How do I decrypt my files from WannaCry?

So you see, my files got encrypted by WannaCry while I was testing it on VM. I accidentally left a shared folder on (which means so much to me) and it got encrypted. Please help! I was using a Windows ...
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2 answers
41 views

Command Prompt Refreshes all Programs

The command prompt randomly pops up blank and closes all web browsers, it can visually be seen when im playing a game in fullscreen mode. It happens once every few seconds or once every few minutes. ...
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How do you check event logs for Wi-Fi dropouts on Windows 10?

My wi-fi connection on my PC drops randomly for 1-2 minutes, maybe once or twice per day, and I'm concerned I may have a virus that is not being detected by Malwarebytes or Kaspersky. My other devices ...
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1 vote
1 answer
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Malware? Need help identifying

So very foolishly I opened a file without seeing the extension .command, and the file was disguised as a dmg, as in the file in the zip's icon was a dmg... Below are the contents of the script and I ...
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-1 votes
1 answer
143 views

My laptop is itself generating w64.exe files. Do I need to worry?

I don't know why w64.exe files are getting generated in various location in my laptop. Quick Heal puts them in quarantine files. Are these files generated by Microsoft? How can I be sure regarding ...
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1 answer
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Trying to find spam-spewing malware on a WIn10 machine

I have a couple of clients running Windows 10 using my Sendmail server. I don't have immediate access to one of them, but the other is my wife. Starting two days ago, when my wife turns on her laptop, ...
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Google Chome how to fetch for malware?

In the last 2 weeks, I have noticed an annoying malware haunting me on Google Chrome. Most often when I do a simple google search (obviously on google.com), after a few seconds the tab gets cloned ...
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4 votes
2 answers
216 views

Can malware infect a router and spread to other devices connected to it?

Suppose my computer gets malware. I can deal with it by reinstalling the OS with an installation usb from a different pc but is it possible for the malware to infect the wifi router and then spread to ...
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2 answers
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If I get malware, should I worry about it propogating over wifi or should I look for signs of that behaviour first? [duplicate]

If I get hit by malware, should I, in addition to doing a clean install, worry about it propogating over the wifi? I'd first check if there is evidence/signs the malware can do that and then look into ...
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0 votes
1 answer
447 views

Why do all antivirus flag all keygen, crack or hacks as a threat?

I've been using computer for 20 years and I've used many antivirus. And I have had many "cracking software" laying around on the various PCs that I have used. These include keygen, software ...
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Will Dropbox delete malware in my uploads?

I'm doing some reverse engineering research, which including some malware. Can I save them in my Dropbox? Will Dropbox delete them from the server end? I searched around but haven't found a clear ...
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0 votes
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Can Malware Jump From Virtual Machine To Core O.S [duplicate]

I See Many Youtubers use Virtual Machine to Isolate their Operating System From Malware Infection...Is there Anything I Have to Do to isolate my OS from being Jumped by Malware If Ever i try To Run A ...
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2 answers
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Windows 10 System Image(for backup)

Actually I have been wanting to create a full system image as backup for my Windows 10 PC as it has started giving troubles to me. And I want full system image as backup as I don't want to reinstall ...
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0 votes
1 answer
54 views

If I've found a potential threat on my computer, is it advisable to wipe other laptops on that network?

A while back, µTorrent was flagged by Windows Defender as a low priority program with "potentially unwanted behavior" on my home desktop computer. I've since removed those files. (https://...
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System Integrity Protection flaw on Mac's

Apple has implemented System Integrity Protection in recent macOS versions which prevents core system files from being modified. My question is how can files still end up being modified (with SIP ...
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2 answers
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My PC has slowed down unexpectedly

I am worried that my PC might be infected with malware. I am getting a lot of notifications that taskhost and svchost tried accessing some specific folder but are blocked. I have also read that ...
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1 vote
0 answers
28 views

Browser falsely flags as malware [closed]

I'm trying to distribute my application through Github. I packaged it into a exe and released it on Github under releases. But when I or anyone tries to download it, the browser flags it as malware ...
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0 votes
1 answer
85 views

Is it possible to run Windows 10 entirely from a USB drive in 2021?

I am in a class that is requiring a "lockdown browser", which is a shame, but I am still really interested in the content of this class. But I do not have a Windows machine, and given ...
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-1 votes
1 answer
98 views

Malicious process detected on Powershell while working on my React Native project, what should I do?

My Rav Antivirus showed me this message while working on my React Native project. What does it mean and what should I do?? I was working on my college project and i'm not familiar with security and ...
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Does AIDE support scanning memfd files?

Happy to be here with my first question! I am using AIDE for file integrity checking. Today I came across an article which details a technique to run malware droppers without touching file system, by ...
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1 vote
0 answers
55 views

Get virus/threat information from microsoft via threat id [closed]

I don't know if this is the right place for a question like this but: first, I have a virus report from windows defender with a threat id. For example this is the threat id of the eicar testfile: &...
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0 votes
0 answers
43 views

links being inserted into chrome

I'm seeing malicious links being inserted in web-pages when I am browsing using Google Chrome. It doesn't happen all the time, and it happens even with reputed web-pages. A scan with Malwarebytes and ...
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0 votes
1 answer
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Wierd "q" .cmd file starting on startup? [duplicate]

There are 4 wierd .cmd files starting on startup called simply "q" is it .. Malware? Spyware? i don't know if i should disable it or not, craziest part is that it does not show on MS Config ...
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0 votes
1 answer
38 views

Windows 10: auto-delete runs on startup

When my Windows 10 starts, every now and then I see that the "delete file" dialog window runs very briefly. It's way too quick for me to see which file/folder it pertains. This happens right ...
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0 answers
53 views

Stop malware(?) in Google Chrome popping up black boxes advertising, ironically "Chrome Users? get rid of Popups Instantly"

I remotely admin an Ubuntu Linux 18.04 system for an elderly family member. They use the system only for viewing webpages and reading webmail. The browser is Google Chrome. Somehow they've picked up a ...
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Can Ransomware migrate from an infected PC to uninfected Linux computers on a network?

My roommate's company was recently hit by a comprehensive Ransomware attack and she has been working from home via our home network. All the other computers in our house other than her work machine ...
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0 answers
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Windows 10 pc suddenly incredibly laggy overnight - malware service executable - genuine?

I have restarted my pc this morning and it is horribly laggy. Previously I had absolutely no problems. Now text doesn't appear directly on the screen, mouse movements are delayed and jumpy and ...
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0 votes
1 answer
70 views

Are Android emulators safe?

My question is the following... Is it safe to use Android emulators (Nox Player, BlueStacks) on a PC, when you want to work with malicious files? The main PC could be infected? Or is it safe? Which ...
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1 vote
2 answers
98 views

how to stop MS edge from causing problems?

For sometimes I'm having trouble with Microsoft edge, explorer stops start menu don't opens, a program hang or take longer to start.. etc, I always find msedge.exe running multiple process, even if I ...
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How do I figure out whether this is a bug or how do I debug what is trying to access my webcam?

Similar question, which has a different question (since my AV doesn't even know the process ID or similar): Antivirus warns about processes trying to access my webcam I am using ESET Internet Security ...
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0 votes
0 answers
47 views

How to monitor a (remote) PC without logging on to it

I have a Windows 10 PC that may be infected with malware, possibly with a Trojan. Various scans with antivirus programs and extensive analysis have not yet delivered a conclusive result. I have pulled ...
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0 answers
60 views

Determine what is causing suspicious request by curl.exe to a remote ip address

I am using windows firewall control (Binisoft/malwarebytes). The profile is set to block all network requests unless explicitly allowed. In the firewall connections log I recently noticed the curl.exe ...
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25 votes
3 answers
8k views

CMD prompt window pops up and instantly disappears periodically

Windows 10 - Every 10 minutes or so, a command line window flashes on my computer. I'm afraid I may have been infected by something. I've been staring at the Task Manager (and process explorer) for ...
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  • 571
0 votes
1 answer
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Odd entries for Win32_LogonSession and respective StartTime

I'm sorry if this isn't the best place to ask this, but if not here, I'm not sure where else. I've recently been debugging my computer and trying to see if there is any hidden malware. I've mostly ...
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