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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4
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191 views

Files were encrypted by virus, and old (win 7) OS is gone - What Do?

So for the past few weeks I have been planning on switching from windows 7 to Ubuntu (14.04) with windows running in a VM for whenever I need it. 2 days ago my antivirus complained to me that I had a ...
3
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0answers
143 views

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 ...
3
votes
0answers
97 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,...
3
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0answers
78 views

Puzzling apparition - RealPlayer rpchrome150browserrecordhelper.dll

I was trying to build and run an application I wrote a long time ago. It was not playing well with the new versions of the open source software it links to. At least two of the open source packages ...
2
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0answers
277 views

Multiple instance of rundll32.exe found, but what are they doing ? Suspious?

I recently found there are always two instance of rundll32.exe running on my computer. I was able to retrieve info about modules that are using them, but what are these modules? Am I infected by a ...
2
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0answers
468 views

CPU burning hot causing internet connection to slow down (or cut off)

I have an HP pavilion g6, 64 bit. I dualboot it, installing windows 7 and a linux distro. nowaday I'm running crunchbang linux distro. When I'm working on any linux distro, i don't remember having ...
2
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0answers
92 views

anti-virus software and Flash's AVHardwareDisable

This site claims that [The AVHardwareDisable setting] in flash configuration file has been changed by anti-virus software which disables camera/microphone access for all sites. The article ...
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33 views

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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69 views

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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0answers
50 views

Windows And Application Settings Disabled By Administrator/Organizer on a PERSONAL computer

I am not able to change some of the settings because they are enforced by my Administrator/organizer, but the catch is that my laptop is a private/personal computer that I purchased myself and is not ...
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0answers
92 views

unChkDsk a decompression bomb

I'm trying to remove a decompression bomb spotted by Avast from a friend's computer, but I can't make it. I tried several things : MalwareBytes -> clean Adwcleaner -> clean BitDefender -> clean ...
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82 views

Canon MX420 series MP Drivers

A couple months ago I realized there's an alien software installed in my computer, Canon MX420, I know because I am using EPSON and not Canon, so I decided to uninstall it but it failed, reason, used ...
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0answers
85 views

Audio hacked. System may be compromised?

My speakers are making a sound like someone talking from other computer. Like the sound that online game players do. It's only noise, strange microphone noise. Have I been hacked? I checked all ...
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0answers
319 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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253 views

Effectiveness of SD Card write protect switch as protection from viruses

Given that the SD card write protect switch simply indicates to the OS that it is switched, and doesn't prevent writes to the medium, how effective is enabling write protect against viruses? Are ...
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0answers
136 views

Chrome redirecting to developer.yahoo.com/yql/console

I was trying to reach nintendo.com and chrome redirected me to developer.yahoo.com/yql/console for a few minutes. All other domains were okay. Another person in my office was able to access the site ...
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0answers
86 views

To what extent does splitting a virus into different files reduce the chance of detection by VirusTotal?

I have a 60 MB file that I want to scan for viruses. VirusTotal's max file size is 20MB. If I zip the 60 MB file into 3 smaller chunks and upload each of them to VirusTotal, to what extent will it ...
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0answers
1k views

suddenly windows 7 asks for username and password

I think my computer has been infected with a kind of virus or malware. Yesterday I locked my windows and went out of house, at return as I tried to use it again it asked for a password! (I'm pretty ...
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420 views

Remote Procedure Call (RPC) service has failed

My windows XP machine becomes very slow. And started to show message : This system is shutting down. Please save all work in progress and log off. Any unsaved changes will be lost. This ...
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0answers
104 views

How does persistent cache works in modern anti-virus softwares?

I'm talking about Avast! and ESET's NOD32/SS here. Avast! introduced this feature like a year ago (can't remember the exact date). ESET did it in version 7. Just recently. Basically they both scan ...
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0answers
404 views

rr.com appended to URL and I don't know why

I've been having some pretty bad and intermittent internet connectivity issues. I keep getting timeouts on my browsers, or what appears to be timeouts on my browsers. In Chrome it's generally error 21....
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0answers
417 views

Windows explorer seemingly not running on startup with Windows XP

For some strange reason, the start menu, taskbar and desktop icons are not running on my computer. I can still run task manager, and the locking screen and screensaver still work. According to the ...
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0answers
429 views

How to print power point files with animation?

My power point file has animation on one slide that when printed will be a "mess". Is there a way to print the slides in which each step of the animations are printed into 1 slide?
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0answers
11 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 ...
0
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0answers
36 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 ...
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0answers
17 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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19 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 ...
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234 views

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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29 views

Virus keeps appearing. How can i find the security hole?

I just started working with this client recently, and when i got into his server, it was full of viruses. At least 4 of his cpanel users had viruses on their websites (completely managed by him). The ...
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0answers
49 views

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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23 views

Power management issue with laptop

I have been having the following issues ever since installing a virus back in 2014: Cannot wake up from sleep, Shutdown doesn't shutdown the computer itself only the OS, and restart restarts ...
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0answers
71 views

Decrypting CryptoWall files

My computer has been infected with the CryptoWall virus and many important pictures and videos on my computer have been encrypted. When i start Windows i get a message that says that RSA 4096 ...
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0answers
24 views

How to analyze a suspicious traffic under linux machine?

Often under Linux machine, networks are protected by firewalls. This protection, though necessary, do not detect external attacks. Indeed, a Firewall is designed to block unwanted network flows while ...
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154 views

Decrypt files encrypted by LeChiffre ransomware

Over the weekend, my personal server got hit with the LeChiffre ransom ware. Unfortunately, they were able to get in due to an insecure Active Directory account. I've since disabled all accounts and ...
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0answers
27 views

Dialog Box pops up every few days

This dialog box pops up automatically every few days, I have no idea what it is. I ran a full scan with my anti-virus but it didn't detect anything.
0
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0answers
50 views

CPU is fixed at 100% usage

I would like to start by saying that I'm aware that there are a lot of questions with the same title but I would like to say that they are very specific to their own problem. Unfortunately my problem ...
0
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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 ...
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0answers
57 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 ...
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0answers
44 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
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 ...
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36 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 ...
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149 views

Windows 7 C: drive filling up automatically

I have around 24 GB of free space, but within ten minutes of starting up the computer this free space starts filling up automatically. This continues until free space is down 0 KB, whereupon it says ...
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0answers
194 views

How to remove Google search Result redirect virus in all browsers?

I have a virus redirects the google in all browsers when i click search to another search engine(Google Custom search) I tried many solutions found in another questions or in google but nothing ...
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0answers
836 views

Proxy keeps changing to 127.0.0.1:8118 automaticaly [Windows 10]

it seems that my proxy is always changing automatically randomly. If I disable manual proxy configuration it turns on again. I've tried to delete some registry keys but the same keys appear again. ...
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0answers
26 views

Invalid Installed application named real?

Whenever I enter the program your uninstaller in my laptop, the following message of a newly installed application is shown: with the following properties: I press the AutoFix button and ...
0
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0answers
61 views

Windows Possible Malware

Service Host : Local System is using a lot of system resources.This happens often. One time Windows Explorer consumed more than 90% CPU and RAM.I wasn't able to open Microsoft Safety Scanner website. ...
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0answers
118 views

Should I Clean install or clone os due to a virus on old hdd?

Some time ago, my desktop got a virus that would not allow the computer to boot up completely. I believe I contracted the virus via sites such as Softonic trying to download music and video softwares. ...
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27 views

System freezes, kind of - Windows 8.1

About once or twice a day I get some freezing going on. My internet runs slower and is choppy, Media Player will continue to run but the controls freeze. Task Manager completely freezes and doesn't ...
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0answers
86 views

Internet Explorer 11 browser recently became sluggish and unresponsive in that when I entered a valid URL I would get a blank browser window

In the last 3 days, I noticed my Internet Explorer 11 browser recently became sluggish and unresponsive in that when I entered a valid URL I would get a blank browser window each time. I have a new 64-...
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0answers
25 views

Better understanding program detected as virus w/ sandbox

My AV solution detected a program as a virus. Can someone point me in the right direction to learn more about the following points? 1) What exactly about the program was determined as the triggering ...