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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18 views

windows 10 very slow, flash player not working, whole environment seems blocked

My PC has been upgraded to Windows 10, some months ago, and recently I'm experiencing a lot of problems: In much cases Flash Player is not working (I'm running it under Google Chrome) The Windows ...
-4
votes
3answers
86 views

Is Linux virus-free? [closed]

Everyone says the Linux open source platform is not affected by virus to as compare to Windows operating system. Linux like any OS is just another program which has design flaws and security ...
0
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1answer
24 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
29 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
20 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
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2answers
77 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
27 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 ...
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votes
0answers
5 views

Unwanted android apps keep reinstalling [migrated]

​Recently I received a phone through a special offer with a company. (see here) The phone doesn't have a brand name printed on it but mentions on the back the name of the company through which I ...
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votes
0answers
26 views

I'm connected to unwanted Ip's derivated from chinese tencent virus. Want to remove them ASAP

I got a virus a couple of days ago and went through a good cleaning process in order to get rid of all that. I used MwB to do most of the work, then proceeded to eliminate the remaining files. I ...
0
votes
2answers
89 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?
0
votes
1answer
30 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
votes
0answers
11 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 ...
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votes
2answers
134 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
votes
1answer
33 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
votes
1answer
11 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
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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
63 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
38 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
51 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 ...
0
votes
0answers
126 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
28 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 ...
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votes
3answers
135 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
0
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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
129 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 ...
0
votes
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
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1answer
99 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 ...
3
votes
2answers
47 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 ...
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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
vote
1answer
94 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 ...
0
votes
0answers
45 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
682 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
47 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
32 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 ...
0
votes
0answers
20 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
107 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
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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
74 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
68 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
73 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 ...
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votes
1answer
32 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
35 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
94 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
120 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
vote
2answers
50 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
232 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. ...
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votes
1answer
74 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
155 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
564 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 ...