Questions relating to malicious software

learn more… | top users | synonyms (1)

-3
votes
0answers
29 views

Can malware (virus, trojans, etc.) operate within Ubuntu which is not connected to Internet? [closed]

Pretty much sums the question. I have newest Ubuntu installed on a laptop which has a network problem, so can't install scanner either. Can malware (virus, trojans, etc.) operate within Ubuntu which ...
1
vote
2answers
49 views

What are the dangers of using an unsupported Ubuntu version? [closed]

Non-LTS versions of Ubuntu only receive security updates for up to 9 months after their release (for Ubuntu 15.10, until 07/2016) and are not recommended for use after the expiration of the support. ...
0
votes
1answer
45 views

Remove adwares ( taboola, outbrain etc ) from Chrome/Firefox on Ubuntu

How to remove "around the web" by outbrain or recommended by taboola from google chrome or firefox on ubuntu ? I tried removing content of rm -r ~/.config/google-chrome install and re-install ...
0
votes
1answer
18 views

How do I create a Quarantine directory from which programs cannot execute?

I have recently installed clamav, and I think I'd like to use the "move infected files option" to move any infected files it finds to my quarantine directory (/virusScan/quarantine, and yes, I own it) ...
0
votes
0answers
47 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 ...
4
votes
8answers
1k views

A adware has infected 2 browsers

A weird adware is popping up every time I open a .com website and shows ad or redirects the page. In chrome, I'm not even able to open an ordinary .com page because it immediately redirects to ...
0
votes
1answer
59 views

virus threat detected in /usr/lib/shim

I recently ran a virus scan with clamtk and was pleased that not much came up except for one system folder: /usr/lib/shim with the following files being flagged: fallback.efi.signed MokManager.efi....
0
votes
1answer
40 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
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'...
1
vote
1answer
1k views

What should I do next with infected files and errors?

I scanned my computer for viruses by using clamav: sudo clamscan -r --bell -i /. I received the following result: LibClamAV Warning: cli_scanxz: decompress file size exceeds limits - only scanning ...
1
vote
1answer
305 views

How to remove coolrom.com malware from ubuntu? [duplicate]

I've been dumb and downloaded the malware from coolrom that inputs some sort of """search engine""" in firefox. I'm trying everything to clean that but without success. Someone knows how should I do ...
3
votes
1answer
731 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 ...
0
votes
1answer
47 views

What is gstatic and why did it show up in my spreadsheet?

I'm running 14.04 LTS. I have a LibreOfficeCalc spreadsheet that I save to Dropbox. Today when I opened the sheet, near the last row containing data is a vertically oriented web address, in red text,...
2
votes
4answers
2k views

Getting Adware/Malware popup on Chromium

For the past few days I'm getting a pop up from www.adultcameras.info in the Chromium browser on Ubuntu 14.04. I don't recall installing any new software or extension in Chromium. I even uninstalled ...
2
votes
1answer
325 views

ClamAV found 34 threats

Less than 2 weeks since I installed Ubuntu and today when I ran the ClamAV it found 34 threats. They are all sorts of different threats: Packer.PrivateExeProte Tool.Packed Trojen.EmbededJS Exploit....
6
votes
6answers
15k views

watchdog/0 process using all my CPU suddenly

I have a fresh installation of Ubuntu 12.04, I have been running it for about a week. Suddenly today I noticed my computer freezes every 5 seconds. I restarted the computer and I still get this. I ...
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
vote
2answers
108 views

How to remove a browser virus in google chrome Ubuntu 14.04

Whenever I am opening Chrome I am redirected to demo.opera-mini.net/public/ page. I google it and found most solutions related to registry config edit to remove it from Windows environment as they are ...
0
votes
1answer
85 views

How to remove “tradeexchange.com” link opening everytime in Chrome[ubuntu 15.10]

I am on Ubunbtu 15.10. In either Firefox or Chrome, everytime i click a link, a rouge link called "tradeexchange.com" opens. I tried everything - but i am unable to remove this. I cleared all the ...
0
votes
0answers
25 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 ...
166
votes
24answers
98k views

Do I need to have 'antivirus software' installed? [closed]

I thought that there was no need to scan for viruses either in Ubuntu or any Linux distros until I found virus scanner packages 'clamtk' and 'klamav' in Ubuntu software center yesterday. This leads ...
1
vote
0answers
74 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
vote
0answers
45 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 ...
2
votes
2answers
8k views

ClamAV PUA.Win32.Packer.PrivateExeProte-7

I ran ClamAV on my system and it reported two detections. It reported PUA.Win32.Packer.PrivateExeProte-7 in: /usr/lib/mono/4.0/mscorlib.dll /urs/lib/mono/4.5/mscorlib.dll It says Action taken: ...
0
votes
1answer
67 views

Is it necessary to use Antivirus software? [duplicate]

If I don't use any Anti-Virus is there any problem ? To keep my data safe what should I do ?
1
vote
1answer
65 views

How does ubuntu ensure software security bfrom external developers [duplicate]

I was reading on the hack against the Transmission Bittorrent Client. http://arstechnica.com/security/2016/03/first-mac-targeting-ransomware-hits-transmission-users-researchers-say/ It got me ...
1
vote
1answer
60 views

ClamAV only scans one directory. What should I do?

I was scanning my PC with ClamAV earlier today, only to find out that it only scanned one directory. Here is what it said: joshua@joshua-LIFEBOOK-S6x20:~ > sudo clamscan / /initrd.img: Symbolic ...
0
votes
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....
2
votes
3answers
5k views

Cryptolocker virus

As you guys know cryptolocker is a Trojan which targets computers running Microsoft Windows and destroys files but.. is cryptolocker still a threat and can it infect my files in Ubuntu?
-1
votes
1answer
70 views

NON-DUPLICATE: ttf-mscorefonts-installer NO terminal, no hidden window, just hang [closed]

The large thread >>asked Dec 4 '10 by Magic<< on this ms vs linux snafu instructs how to use the curses window to find the accept, yes button. In this case, the apt-get command process just ...
0
votes
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
1answer
36 views

Can an infected USB infect my PC through sudo and/or home?

Can an infected USB infect my PC through sudo and/or home if it is under sudo (like cleaning it with sudo sgdisk --zap-all dev/sdb, sudo dd if=/dev/zero of=/dev/sdb, or even looking/changing ...
0
votes
1answer
72 views

How easy is it to get Linux.Ekoms.1?

I read about this malware, one of the biggest specimens of malware on the Linux news right now. How easy is it to get? Paranoia has gotten the better of me. According to the sites I visited, it is ...
0
votes
1answer
222 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
188 views

How to install rkhunter in ubuntu?

Ok I know the question sounds strange but I need help installing rkhunter the accurate way and do I need to follow all the steps in this article https://help.ubuntu.com/community/RKhunter?
5
votes
3answers
6k views

ClamAV: PUA.Win.Exploit.CVE_2012_0110 FOUND (/usr/share/mime/mime.cache)

I recently scanned my system with (I am running the latest version of ClamAV and my definitions are up-to-date): sudo clamscan -r --detect-pua --infected --bell / And this one was of the results: /...
3
votes
7answers
186 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 ...
2
votes
2answers
127 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 ...
89
votes
1answer
203k views

How do I scan for viruses with ClamAV?

I installed ClamAV via Terminal (Ctrl+Alt+T) with: sudo apt-get install clamav but how can I scan for viruses?
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
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 ...
28
votes
5answers
70k views

How do I clear everything (data, viruses) from a thumbdrive?

Say I used some thumbdrive on a public Windows computer and I copy some data to my Ubuntu computer with it. I cannot be completely sure that the Windows computer was clean, and it might have put ...
0
votes
2answers
109 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 ...
0
votes
1answer
93 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 ...
0
votes
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
votes
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 ...
4
votes
2answers
2k 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 ...
0
votes
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 ...
1
vote
1answer
133 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 ...
19
votes
7answers
8k 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 ...