Questions relating to malicious software

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5
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1answer
408 views

LibreOffice Writer edited document is recognized as virus or spyware

I got MS word document, person asked me to edit it, to add table of contents, to add page numbers, because she doesn't know how to do in MS Office. So I did with LibreOffice writer. But when I saved (...
3
votes
1answer
92 views

What checks should be used when installling non-repository or offline software?

Case 1) Let's say some software isn't available in the repositories and you have to download it from a website and install it. Case 2) You have downloaded a DRM free paid software but can no longer ...
2
votes
1answer
19 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
141 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 ...
1
vote
1answer
104 views

Danger of running infected .pif file with Mono

I (stupidly) ran a .pif file attached in a spam email that I can assume was containing some malware. Basically I double clicked on it and it was opened with Mono. I didn't see anything running and ...
1
vote
1answer
38 views

Is WUBI vulnerable to GOZeus and Cryptolocker etc?

The GameoverZeus (P2PZeus) malware, and associated Cryptolocker, has been blocked temporarily, but may resume its potency. Windows is said to be vulnerable to it, but not Linux. So is Ubuntu under ...
1
vote
1answer
833 views

Chkrootkit findings - what to do?

after my ubuntu runs slower and slower and google regularly asks me for prooving to be human, i had Chkrootkit running. here's what it found: wlan0: PACKET SNIFFER (/sbin/wpa_supplicant [870], /...
1
vote
1answer
302 views

Browsing redirected and ad playing in background - Malware?

Recently i have noticed when browsing a web page will be redirected to something other than what i click on. For instance, when i tried going to www.askubuntu.com via a link on ubuntu.com it ...
1
vote
1answer
170 views

How isolated are Windows and Wubi-Ubuntu installations?

If I install Ubuntu via Wubi, I would like to still use Windows for many things, like playing some games not available on Ubuntu. While using Ubuntu, if I encountered an executable that would ...
0
votes
1answer
41 views

Strange message in terminal - virus?

Should I be worried about this appearing in my terminal repeatedly: 2341:2341:0504/210750:ERROR:data_type_manager_impl.cc(34)] Passwords cryptographer error was encountered: ** Message: Remote error ...
0
votes
1answer
223 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?
0
votes
1answer
112 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 ...
0
votes
1answer
167 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
votes
1answer
60 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
37 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
votes
1answer
323 views

ShopGlider Deals has taken over my Chrome Browser in Ubuntu 14.04 HOW DO I REMOVE IT?

PLEASE HELP! Does anyone know how to completely remove the ShopGlider Ads/Deals malware from Chrome? I'm running Chrome Version 42.0.2311.135 (64-bit) And Ubuntu MATE 14.04. There are no ...
0
votes
1answer
90 views

Completely…I mean COMPLETELY wiping my hardrive

I am new to linux, a total noob to be exact. I am using ubuntu 14.04.2 I am having a problem with people at school who have somehow hacked my computer. I have formatted my hard drive 3 or 4 times ...
0
votes
1answer
261 views

root password request pop-up every 15 minutes

I don't know what application is asking for the root password for every 15 minutes. Is there any way that I can figure it out? I get a screen 'Authentication Required' 'Authentication is required to ...
0
votes
1answer
244 views

ClamAV virus detections documentation

I see ClamAV telling me the names of all the viruses that it has detected on my computer, but it seems to give me very little documentation on what those detections actually mean, and what the viruses ...
0
votes
1answer
306 views

Random Ad pop ups in Chrome

Whenever I'm browsing the web I get these random pop up ads. I really can't understand why, I have ad-block plus. Is it possible that I've been infected with malware or ad-ware? How can I put an end ...
1
vote
0answers
75 views

Can an Ubuntu system get infected by a Macro Virus for MS Office / LibreOffice / OpenOffice?

We are running Ubuntu on several office machines, which are used to handle administrative tasks on a daily basis, e.g. to receive applications via e-mail. We now had the situation that we received "...
1
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0answers
47 views

ClamTK not working

I think I have this same issue. Lately, I noticed I get malware, that redirects me to fake websites while I browse. I installed clamtk and clamav, and it worked. But I recently updated eveything: the ...
1
vote
0answers
34 views

Ubuntu server unexpected command history

Logged into my Ubuntu server (15.10) and when I check the command history, I see a few of these: echo Execute SU command begin: && export LANG=en_EN.UTF-8 && su root -c "echo Start ...
1
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0answers
31 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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0answers
140 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 Iframe....
1
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0answers
46 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 this? ...
1
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0answers
96 views

Firefox keeps redirecting to filestore321.com

My questions was deleted even thought it wasn't answered fully. Firefox keeps redirecting to filestore321.com which is listed as attack site. Why is this happening and what can I do to stop it?
1
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0answers
919 views

Scanning Windows for Rootkits using Linux

I know of ClamAV for viruses, but is there an option for scanning AND getting rid of "rootkits" from Windows from inside Linux i.e. Live boot USB? Also spyware and malware scanning would be nice too. ...
1
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0answers
99 views

Is my computer being hacked? Strange goings-on with menu.lst

I installed my Kubuntu 12.04 in Windows with Wubi. I've never installed any other version of Linux on my Netbook, definitely not Tiny Core Linux. Yet I have the following lines commented out in my ...
0
votes
0answers
48 views

Could I have gotten a virus from this?

So I was browsing a thread in 4chan that had dirty pictures. Yeah haha pervy whatever. There was a link to a page that the user said I could use to download a dirty video. I didn't think it was ...
0
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0answers
22 views

Apparently my computer tries to connect to rzone.de at work?

I just got a call from IT where I work, who told me that my computer apparently tries to connect to rzone.de while at work, and I need to stop that. I have no idea what rzone.de is or does, and I don'...
0
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0answers
27 views

GNUNet Service Transport Always using Upload Network Traffic

The Case: Few moments ago I unintentionally saw an upload indicator in System Monitor, and it always indicating an active upload traffic about 40-60KiB/s but sometimes could exceed 70-80KiB/s (yes i ...
0
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0answers
47 views

Viruses are found whenever i boot into ubuntu

So I ran clamtk and clamav and it resulted in a few viruses being found. I am able to delete these viruses but the next time I boot into ubuntu, it appears that almost always one or two viruses remain....
0
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0answers
30 views

Strange FB Icon App installed automatically via Firefox

I don't know exactly how it happened, but I was browsing Facebook and then I happened to click on a link. It not only opened in a new tab in the browser but a FB icon also appeared on my launcher. ...
0
votes
0answers
37 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 ...
0
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0answers
43 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?
0
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0answers
49 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 ...
0
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0answers
34 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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0answers
35 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. ...
0
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0answers
142 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: ...
0
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0answers
60 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 ...
0
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0answers
36 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 ...
0
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0answers
52 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 ...
0
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0answers
34 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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0answers
60 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 ...
0
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0answers
41 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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0answers
72 views

logrotate broken after security breech

I downloaded a PDF which evidently had Linux malware, which executed when I ran the PDF through firefox, or atril, Im not sure which. I figured it out shortly after running clamav, and I believe (...
0
votes
0answers
42 views

Malware redirects Opera pages, Ubuntu 14.04

I just started getting occasional redirects running Opera 31 under Ubuntu 14.04LTS. I uninstalled Opera then pulled over a backup of my profile, but they're still popping up. They seem to occur ...
0
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0answers
609 views

virus in ubuntu 14.04 adware malware spyware…?

I am using Ubuntu 64 14.04. I have used Ubuntu for many many years, and today I got malware or spyware, although I don't really know what it is. I use chrome Version 44.0.2403.89 (64-bit) the latest ...
0
votes
0answers
41 views

some applications create unknown files with exe and pif extension in external disk and usb stick in wine

I am on Ubuntu 14.04.2 platform. I installed some Windows applications in Wine. I noticed that when I run an application in Wine it creates numerous suspicious random file names with pif and exe ...