Questions tagged [virus]
A software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer.
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Do BIOS viruses actually exist "in the wild" commonly?
My BIOS is acting up, resetting settings to default (even though battery is fine).
Probably something defective with the MotherBoard, but thought I'd check on this possibility.
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Is this some kind of virus/malware on my laptop, or is it just a default system message?
Ever since my laptop crashed due to a Critical Structure Corruption, the pop-up in the screenshot appears after rebooting. I Googled if that shows up in other cases and noticed the font and grammar ...
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How to make explorer.exe act normal while it launches a file at startup?
I want to infect "explorer.exe" file: everytime is launched, first, it should do a "START SomeProgram.exe" or other commands, then act like normal (more like a virus).
I want to see if there can be ...
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Got a virus that every once in a while opens a new tab in any browser [duplicate]
Got a virus that every once in a while opens a new tab in any browser. It does so even while I am watching video on YouTube - it just goes ahead and opens up a new tab with some page from the internet....
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can anti-virus software detect virus which had been compressed into multiple files?
can anti-virus software detect virus which had been compressed into multiple files? I think the answer is no although not sure since I don't know how anti-virus software works.
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Fully manual virus scans on Windows 10 [closed]
The question in short: Is there a virus scanner that can be used when asked on my PC? By this I want to imply that it should not annoy me by executing any tasks in the background.
Some clarification:
...
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Why do virus outbreaks only occur on certain sites? [duplicate]
I have a terrible virus, apparently, on my laptop.
The good news is it only affects Internet usage (I can run desktop apps with no problem); better yet is that certain sites are not affected at all. ...
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scan a file with malwarebyte from the command line
Is it possible to scan a specific file from the commandline for virusses?
I use malwarebytes version 2.
I tried mbam.exe file but it didn't work.
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Comodo Antivirus - Fails to update signature database
I am using Comodo Internet Security including Antivirus v5.8.213334.2131 Free version. Virus signature database v 25399. OS Windows XP Sp3
I am trying to update this signature online. It downloads ...
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Can zip files be used to infect an Android device with malware
I received a virus infected zip file and in a moment of insanity (I had just woken up) opened it in Root Explorer (my phone is rooted). I know it is infected because a) Avast detected it on my PC and ...
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Linux botnet removal
I fear that I'm under a linux botnet takeover.
sudo netstat -antpv with all browsers closed, besides other results, returns this:
Proto Recv-Q Send-Q Local Address Foreign Address ...
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Why pirate / crack software often detected "is containing virus"?
Sometime you have been told to whitelist the file to run the crack, it is false positive. Why some AV is detecting such virus "is containing virus"?
I know some of the crack is a fake file to crash ...
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Why does anti-virus software not delete the viruses, malware, etc., but instead quarantine them?
Why does anti-virus software not completely delete the viruses, malware, etc., but instead quarantine them? Is it not better to completely get rid of them? Why? And how can I manually remove them?
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How to remove a virus? [duplicate]
Windows Defender reported a virus on my PC: Trojan:Win32/Varpes.M!cl. Avast reported another: Win32:Conduit-F. How can I check if the virus is running? I did not find any suspicious entries in LOCAL ...
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My audio and video drivers are not working, planning on factory reset, is this the appropriate solution? [duplicate]
I recently downloaded a packaged application, accidentally installing a dozen unwanted programs. They are literally causing pop ups to randomly happen and it seems that over half of the unwanted ...
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Where do I find the Cerber executable and Registry entries?
A server I am administrating has been infected by a ransomware named Cerber. They demand a payment (as is the point of such viruses).
As of now I have narrowed the infection source down and removed ...
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How can I format a drive that is infected by crypto locker?
I am attempting to format an infected SD card on my Mac to no avail. When I use disk utility, and erase the disk, it says it erased but the disk still has the same content on it. I am considering ...
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wired TCP/IP communication under system idle process
I used Process explorer to view system idle process details. Under the TCP/IP tab i found a wired communication
its like this:
I have updated paid license of ESET Smart Security 9 and it shows ...
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how can I figure out what is wrong with my system
I have a laptop that is running vista. its a compaq with 2gb ram 1.7ghz single core processor...as of lately it does not want to run anything right...if I download a file on it the system will not ...
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Does the “Desktop.ini” and “Thumbs.db” files are virus?
I did some reaches, and I know "Desktop.ini" and "Thumbs.db" files are hidden files for view customizations, and I know they should be safe files and I can delete them. Also, I know if I turn off "...
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Can crypto locker spread to other attached media?
My sister just got her computer infected with the wonderful crypto locker. She also has a memory card with important photos on them, that "may or may not have been plugged into the computer", when she ...
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Sure way to get rid of a trojan [duplicate]
I think I have a trojan.
svchost.exe is consuming %25 cpu all the time, and my Microsoft Security Essentials reports a different virus every half an hour or so. From what I understand the trojan is ...
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Is checking without a on boot check enough after clicking a malicious link in a mail?
After quite a few years it seems like I now myself fell over a malicious mail.
Now my question is if what I have scannerwise active and also what I did is good enough to feel save again?
The Mail ...
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Chrome runs downloaded .exe without warning you [closed]
I was tricked into downloading a .exe file in the Google Chrome browser, expecting a simple text file. I did click on the link that started the download, and I did click once on the download on the ...
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Is it possible that I got a virus without clicking what I downloaded? [duplicate]
A couple of days ago I accidentally downloaded a file that looked very shady. My antivirus (Avira) pinged me that the file was suspicious, so I immediately deleted it, and then cleared my browsers ...
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Some advise about locky virus?
All my files have been encrypted with locky virus: I tried CCleaner, M.S. Forefront, and some other antimalware programs;
Can anyone give me some advice about this virus removal?
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CTB-LOCKER and possible future decrypt hack. Do I make a HD ISO image before formatting?
my second question here! :)
A friend of mine has the files on his laptop (Windows based OS) hard-disk encrypted by the ransomware CTB-LOCKER.
I don't know the CTB-LOCKER ransomware version/type, ...
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Windows 10 no events no update history, virus?
Made up a new windows 10 computer 2 months ago after last computer got infected by cryptolocker by inexperienced user. New computer has been in use daily since without problem, however was left on for ...
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Does EMET auto update itself?
I cannot see this option and no answer after google for it. May be it is not good to update update itself since it suppose to be customized so if it updates itself would screw up the profile?
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How can I stop files infected with ransomware from replacing my cloud backup?
I saw this question on Security.SE and it got me thinking about my way of backing-up my data.
The way I do it is by storing my most important data (including kind of personal things) on a folder on ...
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Right click on infected file in Windows 10
I've right-clicked on a very-likely infected .jpg file in Windows 10.
I did it for running a virus scan with Avira (in the context-menu), and later I deleted it. Only after I realized that when a ...
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where can I find a Locky Ransomware virus samples?
I need a locky ransomware virus sample to test it on VM for my project. Where can I get one working sample ?(Any microsoft word or excel files would work)
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vbs file through email [closed]
I have this vbs file. Someone send it to me via email. Can anyone tell me what does this file do ?
dim M
M = "Chinese names"
S = ""
Dim N
n = 0
dim NN
NN = "ede"
do until n = Len(M)
n = n + 1
S = S &...
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How can I safely remove an RSA 4096 ransom-ware virus?
My dad's computer got infected with an RSA 4096 ransom-ware virus. For those who don't know it is a virus that encrypts all the files on your PC using an RSA 4096 encryption key. Then you need to use ...
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How does Bitdefender's Crypto-Ransomware Vaccine work?
I have read responses (66 currently) but still have no idea how this tool works.
"Razvan Stoica says:
It’s a vaccine, but it can (and probably will) be updated against new strains, hence the need to ...
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Hidden Files: Odd large system files taking up space on hard drive
In the above image there are four large files with names composed of what appear to be random (non-Roman) Unicode characters. I have no idea where they came from. Is anyone familiar with these? Do I ...
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ZIP File Viruses
If I open a ZIP File, and attempt to open an example of "Virus.exe", my antivirus tells me that this file is unsecure or whatever, and I press on Don't run, is there still the possibility of my ...
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Weird-looking Registry entry under HKCU\Software\Classes (is it a virus)?
I wanted to set Photoshop as my default image viewer (need a workaround because Windows doesn't recognize it), so I have to edit my Registry. In the tutorial on the official Adobe website, they say to ...
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Why is my Antivurus finding a virus on StackOverflow?
This came as a total surprise to me.
I am using Avast Antivirus 11.1.2253 with virus definitions version 160330-3 on a Windows 8.1 and a Firefox browser.
The issue: While reviewing some SO ...
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Norton Security Blocking Trojan.Gen.SMH (github.exe)
I've been using GitHub Windows App for several months and now Norton Security is blocking it because it's assuming it's a trojan (Trojan.Gen.SMH to be exact). I removed it from the quarantine but I ...
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Youtube link gave me a virus?
I was watching a Youtube video, and I then clicked on a "View all replies" link under a comment. I tried this again 2 times, and none of the clicks had worked. Immediately afterwards, three console ...
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Force Desktop OneDrive to Prompt for Password
I use the Windows 8 implementation of "Desktop OneDrive" to create and access files stored in my OneDrive account. My OneDrive login is also my Windows login so that when I'm using my computer all my ...
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Use ClamAV to scan large files
We have a Linux VM running Xubuntu with ClamAV installed.
We would like to scan files larger than 4Gigs, using the clamscan command preferably. I can use the --max-filesize=x and --max-scansize=x ...
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90-100% Disk usage after command window popped up (unprompted), some commands/processes showed and disappeared
It happened pretty quickly and I didn't notice exactly what happened in that command window (MS-DOS style). I ran Norton Power Eraser, Malwarebytes and have Norton Anti-Virus on all the time. When it ...
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How do I stop this active malware alerted by Avast?
I am not knowledgeable on how to find adware/malware beyond scanning for it with whatever protection software I have. I avoid suspicious websites and often get popups from Avast if a page is infected ...
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How can I view command prompt history after the window is closed on Windows 10?
I saw in the morning a command prompt window for just one second. After the command finished the window was closed.
I would like to see, what command was run before it closed. Is it possible?
I know,...
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Infection with virus just by extracting an archive (zip/rar/iso)?
is my Computer compromised with a Virus, when extracting an archive like zip/rar/iso with WinRAR, which contains an (Virus-)downloader.exe even when i didn't start the executable? and the Anti Virus ...
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WD external hard drive some folders can not be viewed due to a possible virus?
Now I am using a windows 8.1, Samsung laptop, with WD Elements 1tb. The problem is one day some folders in my external drive decided to not show up. I figured it might be due to some virus affecting ...
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Why does antivirus on my host machine act up when VirtualBox is infected with a virus?
I'm testing vulnerability and severity of certain viruses on my Oracle VirtualBox (Windows XP) and virtual machines internet connection is set to NAT.
The issue is that my actual HOST PCs (Win10) ...
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Reinstalling Windows and removing viruses from other partitions
Does reinstalling a fresh Windows 10 on partition C remove viruses from other partitions, e.g. D & E, of my hard drive?
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