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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Virus/Malware/Hijackware Win7 - Hijacks Admin Permissions & More [on hold]

I’ve recently come across a very resilient virus—I use that term extremely lightly because I have no idea what this actually is—that has entirely shut down my computer. My machine is a custom built ...
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25 views

Were my DNS servers changed?

I recently stupidly clicked on a suspicious link and since then, Chrome stalls for a few seconds before reaching a web page. I suspect my DNS servers may have been changed (among other possible ...
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36 views

How to remove crypto-ransomware on my network domain [migrated]

Today some computer on my domain got infected with crypto-ransomware and have infected some folders on file server that only some computers on network have access to. So I presume one or more of five ...
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1answer
29 views

How do I stop chrome from redirecting me due to malicious software [duplicate]

When I click some links in chrome (trusted websites), I get redirected to 'spam' websites that say "your computer has viruses" or something stupid like that. How do I stop it from doing this? I have ...
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1answer
30 views

What is the executable /usr/bin/host on linux good for? Can I kill it?

So I had a compromised /usr/bin/host process running and trying to open HTTP requests out of my machine. I killed it. But now I am wondering. Do I need /usr/bin/host for anything? How do I re-install ...
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2answers
70 views

What is mac process “Wi-Fi”

I am running Mac OS X Yosemite. Today I ran across a process named "Wi-Fi" in Activity Monitor. The name catches my attention so I google around, but found little info about what the process ...
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1answer
28 views

Why does this program give a Windows 8 SmartScreen warning?

Why does this program http://creativeadept.com/download-spintax-editor/ give me a SmartScreen warning in Windows 8 when a Malwarebytes scan and Windows Defender scan found nothing? What is wrong ...
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45 views

Does marking files as readonly make them secure?

In Windows (or any OS, really), does marking a file as "Readonly" make it less susceptible to malware and unwanted manipulation? Additionally, should I still scan readonly files for viruses and other ...
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Is this malware?

I have a machine running Linux Mint (qiana). I noticed it was often slow and when I looked at top I found PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND ...
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1answer
33 views

Automatic password reset prompt on Windows 7?

My wife just told me that earlier today she received a prompt on her laptop to change her password, and complied with the request. Her laptop is running a vanilla install of Windows 7, 64-bit. All ...
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2answers
233 views

How to remove Buzzdock ads from Google search results?

Everytime I search for something on Google, I get this block of Buzzdock ads, as you can see on the screenshot. I am trying to get rid of this. I've already unistalled a program called "Buzzdock 2" ...
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26 views

Computer malware injects scripts causing full of javascript errors

I have a local browser application (written in php, running on usbwebserver) which runs fine on all of my users' computers except for one. When i checked the app, it seems that there have been ...
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132 views

csrss.exe anomalies, is this a rootkit?

I'm seeing a strange anomaly in some systems I support. GMER flags the cdd.dll thread in csrss.exe, and when I run Process Explorer with Elevated Admin rights, I am: unable to view any loaded DLLs ...
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1answer
112 views

How do I permanently get rid of “bigdeal” malware? [duplicate]

I'm very conservative in how I use my computer (no illegal software, no strange downloads) yet still managed to get infected by a very annoying piece of malware. I presents itself mostly in Internet ...
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37 views

Single machine on my network can't load a specific website

One windows 7 machine on my local home network is having trouble loading www.reddit.com I'm on a hardline into a linksys e1200 router. Other devices (laptop, phone, etc) have had no issues (wireless ...
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31 views

Recommended to Update Flash Player Virus [duplicate]

I keep getting this popup on my Internet Browser that tells me "It is recommended that you update Flash Player to view this site..." And it will redirect me to some very suspicious-looking website ...
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2answers
89 views

Reinstall Windows 7 after using DBAN?

I'm preparing to sell a computer. It came with Windows 7 (no install disks). I want to wipe all my data in the most secure way possible, (not just remove links, but overwrite the drive). My goal is ...
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1answer
35 views

random filenames on external hdd drive

i am in big troubble. My friend gaves me his external usb hdd drive and told me, his files are deleted and renamed. I just want to restore the data with the program "recuva" but it dosn't work. I ...
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2answers
367 views

How to remove BUYUNLOCKCODE Ransomware

A ransomware appears to have been circulating for the past few weeks. the data files will be encrypted and a BUYUNLOCKCODE.txt ransom note will be created in all directories where a file was ...
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1answer
30 views

How can I restrict access to a backup drive to only one program in Windows 7?

I got an old computer from some friends, so I decided to wipe it and set it up as a home NAS running Windows 7. My plan is to have two external drives: one as a network-accessible, read/write device ...
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38 views

how can i found the source of a malware that is trying to force-open a website

For the last 3 days i've been seeing this warning from Avast every 2-3 hours : I have no idea how to track this and make it stop, i scanned my computer and avast didn't find anything suspicious, the ...
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2answers
28 views

How do I delete files that are locked when no other app can delete them?

So I found out that I had a Trojan on my external hard drive. My anti-virus app killed it, but it has created a bunch of random files on my computer which cannot be deleted. These are image files. ...
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63 views

Possible malware modification of Windows registry entry

I found a strange entry in Windows registry on two of my PCs, and posted it as a question on Stack Overflow, here: ...
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91 views

Suspicious NetBios Name Service traffic

A friend of mine recently complained about the very bad performance of the Internet connection over her family's LAN. Apparently the Internet connection worked normal most of the time but certain ...
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1answer
223 views

Malicious pop-up in Chrome: “WARNING! Please Install Update To Continue.”

Does anyone know how to get rid of this pop-up: The page at new1getallfilesnow.maynemyltf.netdna-cdn.com says: WARNING! Please Install Update To Continue. OK
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1answer
68 views

Botnet/Virus Removal? [duplicate]

I am not sure what type of virus I have on my computer, and I am not sure if this is the right site to ask this type of question on, but here it goes: About a month ago I downloaded something i ...
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1answer
41 views

who is the administrators? extra admin user thats hidden

Some of my files on win7 64bit I have found have a user called administrators not administrator. This is a second hand laptop so Id like to know how to correct this if its a back door or something ...
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2answers
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How to find which program is reading a file?

I tried delete some file but windows 8.1 reported that access is denied, which other program might read that file, but I don't run any. So it is maybe a harmful program. How can I find out which ...
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3answers
1k views

Removing invisible extension “happysale” in google chrome

The extension "happysale" is showing ads by "gifton" in Google Chrome and Mozilla Firefox, and I seem to be unable to remove it. When I go to extensions in Chrome I can't see it, but when i go to ...
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1answer
246 views

Cleaning a compromised Router?

At the office I noticed malware symptoms on one of the computers. I tried cleaning it and found nothing. Then I noticed I got the same behavior on my phone and the other computer: occasional links ...
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61 views

Manipulating firmware of USB flash drives

As far as you may know, about four month ago, a new malware-like program found that was infected USB device's firmwares. (Take a look here) I want to know, how it is possible to read and modify ...
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2answers
949 views

Stubborn Startup Page - MyStartSearch - mystartsearch.com

Just earlier I opened IE to go check my emails, etc... but my startup page is not google anymore as it previously was. The startup page was instead some "mystartsearches" thing which I had not ...
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Can an infected Android or iOS phone infect a PC running Windows?

I realize that any .apk may not run on Windows via anything other than an emulator, but my instructor insists that it can. Here are my objections: Can I infect the computers at school with my ...
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What are these files that defy file permissions to be inaccessible?

Every once in a while in our environment the AV comes across a malicious file, usually in a users temporary internet files, that no matter what I try, I can't edit, move, copy, or in any way access ...
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27 views

Windows 7 common search engines hosts don't work or responde to icmp

I have a windows 7 computer every site works... EXCEPT google.com, yahoo.com duckduckgo.com The websites IP also does not answer, the webpage keeps trying to load but the HTTP/ICMP request leaves the ...
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2answers
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What is Best-Deals-Products and is it malware?

I have found something that I suspects to be malware/addware. Script is added in every website I visit, even once I made myself. This is added in the : http://puu.sh/dgIF0/0c452eb390.png and iFrames ...
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1answer
172 views

laptop shuts off out of sudden when the fan suddenly stops spinning

My laptop recently got an issue. it will shuts down during loading when I turn it off repeatedly. it got worse during time, previously, if it happens, next try the laptop would work fine, but now, I ...
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1answer
30 views

How to remove pice0chop extensions from Google Chrome?

How do you remove Priceochop 3.9 and proiCechOpe 3.9 from Chrome? Both show up in chrome://extensions and once plagued my browsing experience with advertisements. Now they effectively do nothing as ...
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1k views

How to remove osx kernel extension

I am trying to remove a kernel extension but every time i restart it keeps coming back how to permanently remove it? i believe this com.ab.kl.engine is some sort of spyware output of: kextstat | ...
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Does not setting a wifi password allow malware to more easily jump between computers?

Does not setting a wifi password allow malware to more easily jump between computers? (Some users don't set wifi passwords if intruders aren't able to get within range of their wifi.)
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194 views

Fix 0xC0000005 application crash error?

Almost all my installed programs (Firefox, skype, other 3rd party programs, ...) crash. They all assigned with EventID:1000 and Exception code: 0xc0000005. I have tried to change the memory but ...
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Network adapter shows up in Device Manger but not in ipconfig

I am helping somebody troubleshoot a computer (windows 7) over chat. The computer had malware saying that proxy configuration is preventing the browser from connecting to the Internet. My friend put ...
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1answer
63 views

How can I grant user rights to prevent my mom from installing spyware?

My mother is a schoolteacher, and has an uncanny knack for inadvertently installing spyware/adware/malware whilst surfing the internet. She has a Win8 Laptop, and needs to have access to Office for ...
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101 views

smarvtd process flood the rhel6.5 and network

My RHEL 6.5 has been flood with smarvtd process. I dont what is this process and how it has been in my box. through my search in google is seem like a malware, but not much info for this process, the ...
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4answers
176 views

Can I remove nengine.dll from my machine?

I recently started seeing an error message when starting up my pc: nengine.dll is not a proper application extention. Not recognising this nengine.dll, I did a quick search online and found it's ...
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1answer
5k views

Why do I have two desktop.ini files on my windows 8 desktop?

When I try to delete one of these two shortcuts, a message appears saying, "If you remove this file, Windows or another program may no longer work correctly."! I don't think that it is possible to ...
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161 views

How to know your Mac is not compromised (software and hardware) after lending [closed]

Is there a way to find out if your Mac has been compromised software and hardware wise? I have a pre-unibody MacBook (2007), and it was in someone else's hands once. I want to make sure: the person ...
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4k views

How can I remove the ads by browser shop virus?

I've tried what everyone says to do, like removing the programs and resetting ALL my browsers and reinstalling chrome and firefox, and I've run scans with malwarebytes, adwcleaner, hitman, basically ...
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Is webinternetsecurity a threat to a network and how to remove completely?

I am in IT and one of our computer was detected to have a trojan virus. It was detected as Artemis!294D8BF17879. It turns out to be an application called WebInternetSecurity that appears to create ...
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How can I use Decryptolocker to decrypt all files in a directory?

I have downloaded Decryptolocker and have the key required to decrypt files. The instructions state to use it as: Decryptolocker.exe --key "<key>" <Lockedfile.doc> How can I use it on a ...