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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12 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, ...
0
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0answers
10 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 ...
0
votes
2answers
100 views

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

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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1answer
27 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
10 views

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? ...
0
votes
2answers
68 views

Does Anti-Ransomware software work? [on hold]

Both malwarebytes and bitdefender have created Anti-Ransomware software. Its principle should be just stopping any encryption happen in files. Does the software work and make it much safer?
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0answers
12 views

How to remove hidden folder shortcut malware [duplicate]

How to remove the virus/worm which creates a shortcut that runs a payload whose name is randomly generated. It puts the current content under a hidden folder. And displays the boobytrapped shortcut ...
3
votes
1answer
56 views

Is my router infected? DNS settings affected

I see that when I browse on my mobile devices (phones, tablets) in my network, the browser gets redirected to malware/adware that says my device is damaged and I should repair it, install some ...
2
votes
1answer
24 views

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 ...
0
votes
1answer
48 views

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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0answers
61 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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votes
2answers
27 views

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 ...
-3
votes
3answers
116 views

Received a .vbs on Skype and ran it

I received a .vbs file on Skype and ran it.. Please let me know if it does anything? the code contained
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votes
0answers
221 views

How to remove Cerber virus from my PC

.Cerber - This malware affected most of important data in my laptop (Pics, Videos, Pdf files etc). I tried to scan with antiviruses but all in vain.How to recover the data?
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votes
0answers
15 views

What kind of virus I get? [duplicate]

I think my window7 hit by some virus. My desktop background go black, all desktop icon are disappeared. Folders on desktop are all empty,but the folders are still there. All shortcut icons on ...
3
votes
0answers
100 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 ...
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0answers
25 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 ...
1
vote
1answer
89 views

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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votes
0answers
9 views

Hidden processes causing huge increase in ios data usage? [migrated]

On my first iphone the data usage was both reasonable and logical at the beginning, but a couple months in and I was seeing a ridiculous increase of >5x usage. I started off average 5-8 gb/month and ...
3
votes
2answers
45 views

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 ...
-1
votes
1answer
39 views

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 ...
1
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1answer
86 views

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 ...
-1
votes
0answers
49 views

Is deploy.static.akamaitechnologies.com a virus?

I was using a program called TCPView to view network activity and see if anything nefarious is connecting to my computer. I noticed that every once in a while a good amount of data was transmitted to ...
0
votes
0answers
41 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 ...
4
votes
4answers
563 views

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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votes
2answers
36 views

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 ...
1
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0answers
30 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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votes
0answers
17 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 ...
0
votes
1answer
74 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 ...
1
vote
0answers
68 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 ...
3
votes
2answers
67 views

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 ...
0
votes
0answers
63 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 ...
3
votes
0answers
63 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 ...
-1
votes
1answer
28 views

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 ...
-1
votes
1answer
31 views

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 ...
0
votes
2answers
71 views

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) ...
0
votes
1answer
38 views

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?
0
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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 ...
0
votes
0answers
109 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 ...
1
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2answers
45 views

How to overcome antivirus false positive error

We develop software which will upload the files to a website. We are facing the false positive error from different antivirus vendors. We have update file, downloader exe(which download the files from ...
5
votes
1answer
226 views

Can my Linux-mint become vulnerable after updating?

According to Linux Mint's blog post: The website of linux-mint is hacked and some ISOs are replaced with backdoored operating system. I am installing my operating system from a few weeks ago. ...
-4
votes
1answer
68 views

Is virtualbox a virus? [duplicate]

I know a lot of people have asked this before, but I just wanted to clarify, because when I was in my virtual desktop, and I went on a site and my antivirus on my host machine went off saying that ...
4
votes
1answer
147 views

How to remove cryptowall encryption

Please help me urgently, Because My all files are encrypted by unknown virus named, 'CryptoWall encryption'. I attached one screenshot, which is provided by this virus.
2
votes
2answers
563 views

Purpose of :A when creating virus (Ethical Hacking please)

I am studying how to make simple virus (for Ethical Hacking in Virtual Computer) This video gives demonstration, https://www.youtube.com/watch?v=vkxtOr2RLbY In short, you create .bat file with ...
0
votes
0answers
25 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
votes
0answers
48 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 ...
1
vote
0answers
48 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 ...
-4
votes
1answer
179 views

Fat fingered YouTube, got some “fatal-crash” website [closed]

So I was typing in “youtube” (in Chrome using a Windows 7 machine) and fat fingered it to “gyoutube,” I ended up at some site with the address http://fatal-crash.xyz with a bunch of additional stuff. ...
0
votes
1answer
37 views

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 ...
0
votes
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 ...