Questions relating to malicious software

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20 views

Ubuntu-touch Webbrowser Virus warning

While using the Webbrowser I got suddenly a hint that a virus is on my Ubuntu Touch Device. My Phone made a beep-beep sound and showed this page: Screenshot Is this true or is it a fake?
3
votes
7answers
146 views

How can I open a Microsoft Word document securely?

I got an email in my spamfilter with an attached Microsoft Word document. How can I view that file securely on Ubuntu. The 'from' email header shows that it is from a copy machine, but it could very ...
0
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0answers
29 views

Trying to install Ubuntu on broken PC

I am trying to install Ubuntu on my broken e-machines laptop. The laptop was running Windows 7 before breakdown. I have made myself a bootable USB and am currently running Ubuntu on this PC. The ...
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2answers
54 views

Can I clean up my Windows from Ubuntu?

I have Ubuntu 14.04 and Windows 8 installed on my system. I was doing a clean up on my friend's USB pen drive, which he said had lots of viruses on it. I have Wine installed on my system, and I ...
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1answer
36 views

How do I find out if my server is a spambot?

I am running Ubuntu 14.04 and have an email server and web site hosted. Lately i have been getting tens of thousands of "return to sender and "delayed" email error messages for Viagra spam and such ...
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0answers
22 views

Is there any conflicts between running rkhunter and chkrootkit on one system?

Can I run rkhunter and chkrootkit at the same time on my Ubuntu Linux laptop without having to worry about conflicts?
4
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2answers
1k views

How (in)vulnerable would Ubuntu be to encryption ransomware?

Edit: This is different from the suggested duplicate. The suggested duplicate is about viruses and antivirus in general. This question is specifically about encryption ransomware, how it can run, and ...
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0answers
25 views

How to test rkhunter to make sure its functioning well?

I have a Ubuntu 15.10 Linux laptop PC with rkhunter installed now all I need to do is to confirm it working well like if there is an antivirus on your pc you will go to the eicar site and download the ...
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0answers
32 views

“System Program Problem Detected” causes system hang [closed]

When I started up my computer this morning, I noticed that whenever I went to the dash, the computer just crashed and whenever the "Problem" window showed up, I just clicked cancel, which caused the ...
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0answers
18 views

NTP question on ntpdc -c peers

I just started learning networking. I recently installed ntp on Ubuntu 14.04 running in Virtualbox on OS X. I was just trying to understand how it works. so when I executed ntpdc -c peers command in ...
0
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1answer
32 views

What to do about a false positive in clamtk

I am getting a message from clamtk antivirus after running a scan on the download folder the result said 10 viruses found how can 10 viruses be found if nothing in the download folder but some files ...
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2answers
49 views

how to remove malware from ubuntu server

I have a ubuntu server which have some WordPress sites, yesterday I found one site crashed due to malware. Can any one suggest me how can I remove malware from ubuntu server? Thanks in advance
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0answers
25 views

Suspicous activity cause huge syslog file(over 200G)

I installed a ubuntu 15.10 a few days ago. Two things are running on the ubuntu machine. The first one is "Desktop Sharing", and I use VNC on mac to control the ubuntu machine through IP address. ...
1
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1answer
65 views

How do I find a virus/malware embedded in an mp3?

I'm a basic user running Ubuntu 14.04.3 32 bit. I know I have a virus embedded in 1 mp3 I copied from my friend 2 years ago. It's no problem for this system, but it has killed 2 mp3 players & a ...
2
votes
2answers
113 views

My Ubuntu machine is uploading huge amounts of data to the internet [closed]

I have been using Linux for about 5 years now but i am not very skilled with the commands to monitor and figure out internal issues. I recently was having trouble with the internet. My roommates ...
3
votes
2answers
200 views

ClamTK Anti Virus will not run on Ubuntu 15.10

I have a laptop running Ubuntu 15.10. To protect myself, I have tried downloading and installing ClamTK. It does this without giving any error messages but it doesn't open. I tried on a second ...
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0answers
55 views

ClamAV error message 'Error decompressing SWF file'

Facebook has told me that I have malware on my laptop, so I run ClamAV in my hone directory and it found one infected file. When I try to remove it I get error messages like so: LibClamAV info: ...
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votes
2answers
145 views

I visited a hacked website! Should I be worried? What should I do now?

I am concerned about the security when I run Ubuntu without an anti-virus and visit a hacked website. I feel that this question then should be asked here and not anywhere else. I can't seem to ...
19
votes
7answers
4k views

Redirecting to “http://domain-error.com”

I am being redirected to the website "http://domain-error.com". This is happening in Firefox, Chromium, Google chrome etc. I feel I am attacked by a virus or something similar to that. Update: the ...
1
vote
2answers
52 views

Three infected files in wine-staging. How I should proceed?

An analysis run with clamtk reported three infected files and I wasn't able to remove it from clamtk or in terminal. Its appear in screen as: /opt/wine-staging/lib/wine/fakedlls/clock.exe ...
1
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2answers
125 views

Can Ransomware effect the Linux OS? [closed]

Recently, The Hacker News stated the following: Ransomware threat has emerged as one of the biggest threats to internet users in recent times. Typically, a Ransomware malware encrypts all files on ...
1
vote
1answer
54 views

Is my computer secure?

I was using Rkhunter and this was displayed. [ Rootkit Hunter version 1.4.2 ] File updated: searched for 175 files, found 141 baymax@vostro:~$ sudo rkhunter -c --enable all --disable none --rwo ...
0
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0answers
52 views

I seem to have adware on my ubuntu phone browser. HELP

So various words in the browser are highlighted green and link to ads, also new tabs with ads seem to open frequently. I've seen something very similar on a Windows computer, but no idea how to tackle ...
6
votes
1answer
688 views

Will a Virus or Malware inside a User Account or Guest Account Affect the Entire Ubuntu System?

When I started out with Linux, and while studying the file structure and access permissions of Linux systems, a thought formulated in my mind, that as long as you operate only within your less ...
1
vote
1answer
52 views

Is it safe to run an infected program under wine with another user? [duplicate]

I want to run some windows applications under Wine/PlayOnLinux. let's say they are infected or they have some malicious behavior. Is it safe to create another user account and run these program under ...
1
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0answers
23 views

Possible infection? Alot of unknown connections

I watched a video a while ago about some guy getting infected through some exploits and all those things. He believed he was infected by doing sudo netstat -natp Which displayed a bunch of unknown ...
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1answer
84 views

keyboard input meathods (ibus?) crashed, and icons randomly rearranging

Well, I got another issue, and it's this: One day, a mysterious window randomly popped up after a while after login, and after doing some basic stuff and using Kazam, I rebooted, and my icons began ...
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0answers
28 views

Protection against infected ISP

Today I faced a scary situation. I visited some websites and there was many ads popping up which warned me that something is wrong. I started my investigation and find out that some javascript files ...
2
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2answers
73 views

How to prevent keyloggers / viruses on my system?

So this keylogger is being sold on HF doesn't rely on any dependencies or anything like that so it's able to infect linux systems. Thread link: http://hackforums.net/showthread.php?tid=5043535 If ...
2
votes
1answer
16 views

Newtabtvplussearch removal

my daughter managed to get the newtabtvplussearch malware on our machine, and i can only find solutions to remove it for windows and mac. I am running chrome, any suggestions to remove it would be ...
1
vote
1answer
51 views

Alright Ubuntu community, I have a few questions [closed]

I have a few questions. To be honest, I am in love with this community. The support here is awesome. So, I am 14, and I am thinking of getting Ubuntu, due to it being free, even for future versions. ...
0
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0answers
51 views

Will duel booting Ubuntu and Windows give you virus protection

a friend of mine believes that if he duel boots Ubuntu and Windows it makes some unique boot sequence that no virus can infect ether the Ubuntu or Windows portions I'm pretty sure he doesn't what he ...
-1
votes
1answer
45 views

Mime is this a virus?

I run analisis with clam Tk and this file is always tagged as a threat... /usr/share/mime/mime.cache Should I remove it from terminal or what should I do with it?
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0answers
103 views

Scanning with ClamAV returns 10820 errors - Infected Joomla site with Trojan Iframe.MA

My server seems to have been infected with a Trojan. I run a Ubuntu 14.04.3 LTS When I approach one of the sites on my server my windows eset scanner blocks the link. Throwing a "Trojan ...
0
votes
2answers
134 views

Remove Search.bitcro.com virus from google chrome in Ubuntu 12.04

Google chrome redirect to other links when I search in google. Search.bitcro.com seems to be a browser hijacker. I have seen many solutions to solve it in windows but none in ubuntu. How do I remove ...
0
votes
1answer
73 views

Cursor Unwanted Behaviour

I am running Ubuntu 14.04 on an Acer laptop. The cursor often unwantedly moves and jumps to different locations, drags and drops items, or randomly clicks on things. Could anyone suggest a ...
1
vote
1answer
49 views

Find source of outgoing traffic

My web server has been infected by a bot that is brute-force attacking Wordpress sites. I can see the outgoing POST requests and their content, but I am not able to find the script, pid or user that ...
0
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0answers
24 views

some of my txt's changed to a lisp

Hello I have a few txt's on my desktop but some of them changed to a .lisp could this be possible malware? Could there be hidden code in the format or some sorta backdoor?
0
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1answer
164 views

Ads by LaSuperba showing on every browser

A few days ago an ad "Powered by LaSuperba" is showing on every broser of my Ubuntu 14.04. My main browser is google-chrome, but it happens on Firefox and Opera aswell. I noticed that it doesn't ...
0
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3answers
183 views

TurboYourPC_Setup.exe

I think I already know the answer but I will ask anyway. I clicked on something that downloaded this malware using my Opera browser - then clicked on the file from the browser (by accident I was ...
0
votes
1answer
53 views

“Not authenticated” ghost packages

I'm trying to reinstall gwaei via synaptic (because all I get is "segmentation fault"). I "completely remove"d the packages. Now on reinstall, synaptic tells me Warning You are about to ...
0
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0answers
52 views

Virus? Firefox is Erasing Everything I Type!

In Ubuntu 14.04.3 (64 bit), I'm experiencing a very strange behavior in Firefox, where it is erasing everything I type into textarea and text-input fields. Right now I'm having to use Chromium to ...
1
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0answers
37 views

Notification adware on Chrome

I remember visiting thecustomizewindows . com and clicking on some kind of pop up. I didn't install any new extensions recently, though I'm not sure exactly how I got this. How can I get rid of ...
0
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0answers
36 views

Are there block-level root kit scanners?

Let's assume I have a drive image of a machine that may or may not have been compromised. I'd like to scan this drive image from another machine that is trusted. The "most obvious" way to do this ...
0
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2answers
52 views

Can Ubuntu computers have network viruses

I know Ubuntu doesn't have viruses but if you do download something that has a virus that could infect windows, could it spread through the network and infect a windows PC on the same wireless network ...
0
votes
1answer
52 views

istartsurf on chomium

A few days ago I noticed that I'd got the istartsurf malware in Chromium on my Ubuntu laptop despite being careful of which software I'm installing, but anyway. So I reinstalled Ubuntu on my laptop ...
0
votes
1answer
31 views

Server tries to connect to other servers

I have an Ubuntu 14.04 server and I have discovered in the /var/auth.log that it tries to connect to other servers. This is the log file: Aug 31 08:04:49 server_name sshd[16316]: error: connect_to ...
0
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1answer
61 views

Malware present in my Ubuntu, says some tabs in Chrome

I have been getting some new tabs like the two titled "WARNING - SECURITY..." with voiceover saying something to the effect: "You probably have installed some software that puts your computer's ...
4
votes
1answer
7k views

How to get rid of the DNS Unlocker adware?

From this morning I'm witnessing unfamiliar ads apearing in different pages while using Firefox which they say "Ads by DNSUnlocker". I searched for it and it seems this is a known adware infecting ...
1
vote
1answer
318 views

Can ClamAV detect Linux malware as well as Windows malware?

I have seen this asked here and there, but I just can't find an answer on it, does ClamAV scan for Linux viruses as well as Windows ones? Or does it at least have heuristics capabilities which would ...