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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PC infection suspected [duplicate]

I have a feeling that my PC is infected with a RAT (remote administration tool). It all started when I logged on an mmorpg (online game). It's not popular and at this time I had a port open by me ...
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0answers
24 views

PC. Windows 8. Cannot run Windows Defender

I found "Software Informer" in my PC, and I thought it was malware, so I installed some Anti-virus. And now, I "cleaned" "Software Informer" using those Anti-Virus software, and now, when I ...
2
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2answers
51 views

Can Sophisticated Malware, Spyware and Viruses Read Files?

I've recently began encrypting my personal files using veracrypt. I've got my resume, which, obviously contains personal information (name, address, phone number etc.) A little bit of reading here, ...
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0answers
55 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 ...
1
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2answers
41 views

Should quarantined files be deleted?

Windows Defender detected a virus on my computer and quarantined it. Is it better to leave it as it is or to delete it? In general, what are the circumstances under which one must not delete ...
-3
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1answer
47 views

Got a virus sitting right here [duplicate]

Yesterday I tried to update windows the thing failed repeatedly, now I can not open anything that require administrator command. I am looking at two programs installed yesterday in the "Program" ...
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0answers
38 views

How do I determine if this ad pop-up is a malware on my laptop/router or my ISP just being greedy?

Request: Kindly do not mark this question as a duplicate without reading the whole description. I know this sounds like any other malware-infection question, but I request you to please read the whole ...
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0answers
20 views

Infested with White Screen Virus? [duplicate]

A few days ago my screen turned completly white and I was not able to do anything. I had to kill my PC with the power-button and restart it. Everything worked fine so I thought is was just some kind ...
3
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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 ...
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0answers
23 views

Files on my system renamed and file types also changed automatically [duplicate]

Files on my system renamed and file types also changed automatically on Windows 10. When I reasearched online I found that CTB Locker, ransomware are some of the viruses that do that. But I ran my ...
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2answers
102 views

What is RzKLService.exe?

So... I installed Java (I know its unsafe) because I need to use some installers that require Java Runtime. Also, after searching for a program that could do something to me, I saw a site, I clicked ...
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4answers
2k views

Most of my files in my Windows 8 got encrypted; Windows is still running

Around 90% files of my files, including *.doc, *.jpg, got converted into *.micro! There are two files left: help_recover_instructions+iyf.html help_recover_instructions+iyf.txt These files say: ...
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1answer
63 views

Can harddrives destroy motherboards/bioses?

I have a PC that went from bad to worse. It started with harddrives problems that were not treated, and then the memory went bad according to a memtest. Now, the motherboard won't work. I moved the ...
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1answer
19 views

AVG Uninstallation Vault

Will clicking "Remove Virus Vault Contents" during the AVG uninstallation removal process permanently delete the contents in the Virus Vault from the computer, or remove them from the vault by ...
0
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1answer
23 views

AVG errors (freezing, not emptying vault, etc.)

Every time I open the AVG GUI, it works fine. Until I click something. For example: Scan Now. When I do click it, the GUI just crashes. Eventually it turns fine, until a few seconds after. Not ...
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0answers
31 views

Trogan.GenericKD keeps appearing - worth wiping machine?

As the family tech support, I got a call when my folks started having some classic signs that they somehow got a virus. They have Sophos installed through a work program, but I guess it did not catch ...
1
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1answer
86 views

Hacked router affecting linux devices

The router of a friend of mine has been hacked, his android phone can't visit webpages with any kind of ads because it gets redirected to another site (this: ...
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votes
2answers
133 views

How to stop every batch file opening as a process named cmd.exe as seen in task manager

This is very complicated. I'm developing a malicious batch file just to test myself. This will be done at the startup. what I have is Three + Six (hidden) Batch Files. First file makes six other ...
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2answers
79 views

Can a virus from a external drive end up on the host computer? [duplicate]

If I connnect a external drive to a computer that has viruses, and somehow these viruses get on the external drive, like someone copying infected files on it or whatever, and then I connect this drive ...
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0answers
43 views

Possible Virus attack [duplicate]

Recently I scanned my Windows PC using Avast and it showed the presence of some weird malware in the result. It couldn't remove all of them nor it could move all the malware to the chest. Now I am ...
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0answers
35 views

wonderlands.com annoying pop-up redirects [duplicate]

Dear moderators This question is not a duplicate, as it is about a special case, not a general question. please open this up and let the problem be solved, as this relates to so many people. you may ...
1
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1answer
48 views

are there any rootkit/virus/malware/etc.. that a windows 7 factory install could leave behind?

can any sort of malware/ rootkit still be on my computer after a factory install? my dell inspiron running windows 7 had(maybe still does) some sort of malware (a rootkit maybe) at its worst point it ...
0
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1answer
61 views

Unwanted Script being added to all HTML pages in all browsers

I don't know why but this has been happening for a while now: In every browser (Chrome, Firefox, IE) there is always a script attached at the end of the code. That's the script: ...
1
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1answer
110 views

There are no decryptor tools for CryptoWall, right?

Just want to make sure there is no decryptor tools (those that use leaked private keys) for the CryptoWall variation of the virus before we go and do the undoable? And are there any cases of people ...
1
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1answer
32 views

For email client programs, does having the reading pane on indicate the email has been read [closed]

When the reading pane is on and messages can be viewed without opening them, is this the equivalent of reading an email? I mostly use Microsoft Outlook 2013 but I am looking for a general answer for ...
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1answer
155 views

Windows 10: Unable to open processes as Administrator

I'm having a problem I found today: I'm being unable to open any app in Administrator mode in my Windows 10, most notably Task Manager won't open. (any app in normal mode can be open such as Firefox ...
6
votes
3answers
300 views

What just happened to my PC?

I was trying to open a .png picture today and clicked edit instead of open, which in my opinion wouldn't affect anything. However, most likely coincidentally, as soon as I clicked edit, a large number ...
0
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1answer
262 views

Redirect pop-up to wonderlandsads.com malware for webbrowsers [duplicate]

My PC has been infected with a malware that opens pop-up to some ads, mostly in my native language (Persian) but from (wonderlandads.com), when I click on a link or in an input box in StackExchange ...
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2answers
33 views

Is virtual machine isolated from host virus or backdoor from data protection?

I'm wondering whether it's safer to read some data inside a virtual machine in order to protect it. If I have a virus infected windows host, is it trivial for the virus to access the data I read ...
0
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1answer
14 views

Does it help to run stuff in virtual machine for privacy purpose?

Let's say I have windows but I read my e-mails inside a linux virtual machine. Are my e-mails a little more protected from a backdoor affecting windows or is it trivial for the backdoor to access what ...
1
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1answer
334 views

Router logs show constant unknown port mapping (forwarding)?

Do I have a virus or trojan? Should I be worried? What’s going on here? I’m currently running Debian, and there are records like this for every day since these first records showed up. I ...
0
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1answer
80 views

Computer possibly hacked. Now what

I think someone somehow managed to gain remote access to my computer and was able to log into my ebay account and purchase some stuff. I was noticed the suspicious activity, and yanked the power cord, ...
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2answers
2k views

“svchost.exe (LocalServiceAndNoImpersonation)” - Is this a virus/trojan?

Looking at the screenshot you can find that there are two svchost.exe. One is svchost.exe (NetworkService) and other is svchost.exe (LocalServiceAndNoImpersonation) svchost.exe ...
1
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1answer
243 views

periodic error dialog (default Email app related) on Windows 10, appears to be CortanaMapiHelper, should I be concerned?

I'm running Windows 10 64-bit. Periodically (maybe daily?), I get the below dialog appearing on my machine. I normally just click OK and move on. This time, I ran Process Explorer, then used the ...
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votes
2answers
46 views

Are there posibilities for someone to break into my computer other than having installed malware first? [closed]

Mostly interested about OS X, GNU/Linux. Assume a default configuration, not too weak, not too hardened. Exclude downloads of malware or physical access to computer to install malware.
0
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1answer
35 views

can virus cause harddisk bad track?

Last week I found my windows laptop bad track.I bought it less than a year.I dismantled it once to increase a DDR3 Memory about 9 months ago.I always download files from web.Recently I found many ...
2
votes
1answer
231 views

How to lockdown a computer for use in a public area?

So I live in an apartment complex with a few hundred people. There are two all-in-one windows 7 PCs in the lobby for residents to use. Oddly enough they keep mysteriously getting infected with viruses ...
-2
votes
1answer
46 views

Got really annoying Virus [duplicate]

I've got the problem that my little sister got an virus on my laptop, so I had a BSoD all the time, he didn't even boot windows. After a lot changes windows booted and all my data was there too, but ...
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0answers
35 views

How does a person immediately determine whether a link is malicious without clicking it?

I recently started moderating a small Twitch chat, so one of the things I have to deal with is malicious linkage. Whenever someone posts a bad link, even one masked by a shortened URL, someone in ...
0
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1answer
168 views

Weird redirects

We are getting a weird redirct from black-face.com (which I needed for a school assignment) to some other pages always flashing through zeroredirct1 (dot) com. On other computers, it happens for other ...
3
votes
1answer
119 views

Can a virus/malware spread through windows live id shared settings?

I replaced a harddisk in a computer that was previously filled with viruses and malware and reinstalled windows 10 from scratch. When the owner set up their windows live account some settings like ...
1
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1answer
83 views

Weird directory called Future

I've just found a folder on an 8 GB flash stick with some weird stuff going on. The folder is called Future and, according to Properties, it's 71.6 GB. Most of the items in it are dated in the future ...
-1
votes
1answer
39 views

RunDLL Error… Module could not be found [duplicate]

I keep getting this error on my computer and I can't find any way to get rid of it. I've looked all over the internet. Can anyone help? Operating System: Windows 7 When it occurs: Randomly, 3 of ...
0
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1answer
92 views

How to detect if computer is infected with Sality? [duplicate]

TL;DR I have computer running Windows 7 64bit, my ISP informed me that it might be infected with Sailty. I updated system, made sure the anti-virus is up to date, preformed scans and found nothing. ...
0
votes
1answer
81 views

Where can I find samples of MS-DOS/Win9x Viruses to record/test?

Since MS-DOS and Win9x are basically oldies now, I think it's safe to ask this question. Where can I, as a YouTuber, find MS-DOS and/or Windows 95/98 viruses on the internet? I would like to record ...
0
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0answers
16 views

McAfee found 2 viruses but could not fix automatic opening of unwanted firefox and chrome pages and javascript [duplicate]

Having downloaded and installed a sound recording software which contained viruses causing unwanted web pages and javascript panels to pop up, I thought I would get rid of the problem by installing ...
0
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1answer
88 views

Nasty Virus, can't find or remove, prevents from clicking or interacting with forms, even task manager

two days ago I opened a GIF file that apparently wasn't really a GIF file. Now, my left mouse click button is the middle mouse button, forms are unclickable or typable (they are "frozen" but not ...
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1answer
38 views

downloading a .exe from chrome and discarding it [closed]

hi i recently downloaded a file from the internet in .exe form and i thought there was something shifty about it so when you get the option about knowing the risk down the bottom of the browser i ...
0
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1answer
139 views

How to remove ad-type.google.com pop ups from **PC**? (Tradeadexchange redirection.)

Okay, it seems that my router is infected. Whichever device I connect with my router, gets this pop ups. I remember, I managed to free atleast my PC, of this virus. But it again has come back and ...
13
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2answers
2k views

What does this entry in hosts-file mean: 192.168.3.2 NPI2A54EA

I took over a Windows 7 PC from a developer and in the hosts file there was this entry: 192.168.3.2 NPI2A54EB Does anybody know why this would be entered there and if this could be a virus or would ...