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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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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0answers
3 views

Android Trojan removal [migrated]

I have the Android smartphone “Lava Iris 455”. My phone is not rooted. Since last week I installed APK file from some website. After a second day I realize that a trojan is installed on my phone. It ...
0
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3answers
13k views

How do I view files inexplicably hidden on an external hard drive?

Yesterday I traded some files with a friend by hooking up an external hard drive to his computer. I had created a folder with some files in it for him and likewise created another folder for him to ...
3
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3answers
3k views

Is Hulu hacked? Or is it my Mac browser?

Do you know why I'm directed to a url on piratenpartij.nl when I try to play Jon Stewart on Hulu.com? I can't figure out if my Mac has a virus, or if it's something on my Chrome browser, or if there'...
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1answer
25 views

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 ...
4
votes
1answer
142 views

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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1answer
1k views

dell desktop going into sleep mode when I start it and not waking up

OS - Windows 7 Home I updated some virtualbox machine stuff (like upgrading the software and deleting some virtual machines and creating some new ones) and then updated some divx (that also installed ...
2
votes
3answers
131 views

What's the most efficient method that I can 'image' all my programs and bulk install them later?

I currently have a virus that I have not been able to fix. Thus, I am restoring to the factory default of Windows 7. I have had many applications installed on my current OS image, which would be a ...
8
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4answers
9k views

Can a virus corrupt a hard disk?

Shorter version: Hard disk corrupt, vendor claims warranty does not apply since it was "due to a virus" and "problems due to software are not covered under the warranty". Longer version: My Dell ...
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0answers
24 views

Browser redirected via malware [duplicate]

I know this may seem lazy to post a question like this here but I've tried everything and getting a bit desperate. Lately my Internet Browser (Chrome) has been redirecting me to random advertisment ...
9
votes
9answers
8k views

UAC being turned off once a day on Windows 7

I have strange problem on my HP laptop. This began to happen recently. Whenever I start my machine, Windows 7 Action Center displays the following warning: You need to restart your computer for ...
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3answers
4k views

CPU usage 99% constantly

My computer is running windows 8, and suddenly started running slowly. When I open the task manager, it tells me that the CPU is using 99% - sometimes the disk usages jumps up as well. The strange ...
117
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5answers
18k views

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?
3
votes
1answer
5k views

How to remove write protection from USB stick

I have followed up the below process in cmd: DISKPART> attributes disk clear readonly Disk attributes cleared successfully. Even if I do that it displays Read-only:yes: DISKPART> attributes ...
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votes
0answers
58 views

Last icon of desktop always selected on Windows startup

When I start my computer last icon of the desktop is automatically selected. When I click on other icons only the last icon is opened. I can open the icons if I press the ARROW or WIN button and ...
4
votes
4answers
2k views

Portable Anti-virus/spyware/malware toolkit

I am trying to remove a plethora of viruses from a friend's computer and was wondering if anyone knew of a portable anti-virus toolkit? What I am thinking of is a live-cd/dvd that may boot up ...
8
votes
5answers
7k views

Download Virus/Malware Purposefully

Where can I download a virus, work, trojan, etc. for analysis? Yes, I'm actually hunting for malware, rather than keeping it at bay and hiding behind antivirus software and firewalls. I plan to ...
3
votes
2answers
2k views

Can a Guest Windows XP account infect the overall system with Virus

I have installed Windows XP SP3 with all default options and created a guest account without any password. I was wondering if this is enough to prevent any user from corrupting the main Windows ...
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2answers
131 views

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 ...
0
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1answer
39 views

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 ...
0
votes
1answer
50 views

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 ...
0
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1answer
67 views

Haven't found DNS Unlocker in the Task Manager. Where could it be?

This morning I found DNS Unlocker on my workstation, and since then I am trying to remove it. I guess, I visit some wrong website yesterday during the lunchtime. I really need help with this. There’s ...
0
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0answers
28 views

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 ...
1
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1answer
182 views

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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0answers
37 views

What is this possible malware or virus bar that keeps saying “Upgrade to premium”?

What is this "Upgrade to premium" that appear every once in a while while I'm browsing, it has shown up on multiple sites. Is it something on my browser or on my mac? I'm using a macbook pro with OS ...
7
votes
2answers
15k views

Google search asks me to enter a captcha, at some point it refused to let me search altogether

Google claimed there was suspicious search activity from my computer when it stopped letting me search altogether. Before that I had to enter a captcha more and more often in order for Google to ...
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0answers
19 views

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 ...
343
votes
18answers
265k views

How can I remove malicious spyware, malware, adware, viruses, trojans or rootkits from my PC?

What should I do if my Windows computer seems to be infected with a virus or malware? What are the symptoms of an infection? What should I do after noticing an infection? What can I do to get rid of ...
0
votes
1answer
63 views

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 ...
0
votes
1answer
19 views

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 ...
0
votes
0answers
16 views

Windows update issues after virus [closed]

Recently I got a virus that locked my PC up so I went and did an 8 pass drive wipe, then reinstalled and formatted the hard drive. But I'm still getting Windows errors. Whenever I fix one problem ...
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3answers
129 views

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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0answers
20 views

My mac is automatically formatting usbs?

I have a feeling that my mac is reformatting disks automatically. For instance, I connected my TDK 16GB usb to my windows machine first to see what was on it (it worked), and then I plugged it into my ...
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0answers
21 views

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 ...
2
votes
5answers
16k views

How do I permanently remove the MSR Privoxy?

So recently I got this "virus" from downloading something. This virus keeps on spamming ads and underlining text on a web page to cause you to click a link that will pop-up a new tab. It usually links ...
17
votes
4answers
2k views

Is it safe to download and burn a disc image on an infected PC?

My PC is infected. If I download and burn linuxmint.iso on the infected PC, will the CD become infected also?
3
votes
2answers
2k views

Is this a virus? Not sure how to read the source code. This is a txt file

<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"><head> <link ...
3
votes
1answer
8k views

Many Personal Files turned into .micro files

Yesterday, I shut down my computer and went to sleep. I woke up today, went to school, came back and now when I turn it on, it shows this .TXT file. Many of my files have turned into .micro files, and ...
0
votes
1answer
37 views

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 ...
0
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1answer
33 views

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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votes
1answer
36 views

Virus folder can't be deleted - WindowsApps [duplicate]

A few months ago I noticed that on my HDD there is a folder called WindowsApps and I tried to delete it because I know that it wasn't system related because my OS is on my SSD. I had no perm over it ...
1
vote
2answers
97 views

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 ...
0
votes
0answers
33 views

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 ...
0
votes
2answers
120 views

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?
1
vote
1answer
3k views

Computer going to sleep while being used

i just got my laptop back from a service, one of the hinges broke and i had it replaced. The problem now is that it keeps going to sleep while i'm using it(not that i'm running a program, i'm typeing ...
0
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1answer
52 views

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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2answers
197 views

Can You Get a Virus Simply by Opening an Email? [closed]

The German Federal Bureau for Security in IT ("Bundesamt für Sicherheit in der Informationstechnik") regularly informs recipients of a newsletter about current IT security threats. On 28 April 2016 ...
0
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0answers
12 views

How do I find the cause of this virus (website opens 20+ windows) [duplicate]

A friend computer has some sort of virus. At least one site (non https) the browser (firefox) tries to open 20+ popup windows. Firefox doesn't open them but occasionally one gets by or the url changes....
0
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1answer
35 views

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 ...
0
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1answer
163 views

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 ...