Questions relating to malicious software

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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 ...
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?
33
votes
5answers
10k views

What if I run a virus/trojan Windows EXE on Ubuntu with Wine?

I've got a file said to contain information I was looking for. Unfortunately it is an executable instead of DOC (as it was meant to be) and the site I've download it from looks suspicious for me. If I ...
36
votes
3answers
10k views

Do Wine Viruses only work while Wine is running?

I heard Linux can get viruses through Wine,and I was curious if the viruses work only while Wine is running. In other words, could I stop a virus from doing it's thing by just quitting Wine?
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 ...
40
votes
7answers
12k views

What is the Ubuntu “built in virus protection”?

At ubuntu.com there is this "only in ubuntu" that says "Built in virus protection": What is the Ubuntu built it protection? What is the program in charge of this and how does it work?
40
votes
3answers
1k views

Is there any guarantee that software from Launchpad PPAs is free from viruses and backdoor threats?

As Linux continues to grow and develop, and the more we use Linux, the greater the threat from viruses. We also know that a virus/threat in Linux (if any) would have difficulty running or spreading ...
46
votes
11answers
15k views

Can a Windows virus transfer to Ubuntu?

Before I removed Windows 7 from my computer and replaced it with Ubuntu, I had over 257 threats that never would go away. I don't know if the trojan horse I had also could transfer over to Ubuntu. Can ...
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: /...
5
votes
3answers
14k views

Why aren't viruses an issue? [duplicate]

Possible Duplicate: Do I need to have antivirus software installed on a Linux distro? I'm using ubuntu right now and I think it's really good. Really. But I'm wondering about viruses. I ...
7
votes
6answers
9k views

Popup ad virus on both chrome and firefox

A pop-up ad box appears whatever site I am opening. Tried resetting settings, disabling extensions, removing all users on chrome. It seems it is not about chrome since same thing happens on Firefox ...
1
vote
1answer
2k views

PUA.Phishing.Bank Found

I scanned my machine (with the latest version of ClamAV) after looking at some images which were loaded from external sites and those sites seem to be dodgy hacking sites, and these were some of the ...
14
votes
3answers
3k views

Ubuntu vulnerable to malware sites?

I just browsed a site a while ago that was flagged as an "attack site" or has malware, but Firefox didn't warn before I went into it. Only when I opened a new tab with another page from the site did ...
6
votes
2answers
1k views

Where should I start in tracking down Firefox malware

Switched my sister to Ubuntu because I got tired of re-installing the other OS every 6 months. Now she managed to get some malware in her Firefox on Ubuntu. Without access to the computer (or when I ...
4
votes
4answers
4k views

remove youradexchange malware from chrome

Does anyone have experience removing the 'youradexchange.com' browser hijack on ubuntu? I find a lot of information regarding this for Windows, but there is nothing for linux. When I am using Chrome, ...
1
vote
4answers
2k views

What is the best AntiVirus application available for non-technical users?

I am looking for an AntiVirus for Ubuntu, and have researched potential products. I do not want a paid product, but i do want a user friendly interface. I do not want rants about how unnecessary it ...
0
votes
2answers
9k views

How to remove malware?

I use ubuntu 32 bit and chrome's infected with the softwareupdaterlp virus. I don't really know what steps I should take aside from resetting/re-installing chrome. Would really appreciate any tips on ...
4
votes
1answer
3k views

Virus detected with ClamTK (Possible infection?) [duplicate]

I did a routine scan of my system, with ClamTK. The the anti-virus reported 3 detections. The names of the three detections are: 1.[PUA.Phishing.Bank] 2.[PUA.Phishing.Bank] 3.[PUA.Script.Packed-1] ...
12
votes
1answer
834 views

How to deal with malware on my laptop?

I am fairly certain that my Ubuntu 13.10 laptop is infected with some sort of malware. Every once in a while, I find a process /lib/sshd (owned by root) running and consuming lots of cpu. It is not ...
4
votes
1answer
8k 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 ...
5
votes
2answers
4k views

Could Autorun Virus, affect my PC via Wine?

I have installed wine and i am afraid that viruses will affect my PC now. I will not open any other .exe file other than mine one (which i use everyday)
4
votes
0answers
293 views

Are Virus/rootkits via ubuntu updates possible? [duplicate]

Possible Duplicate: How is the system kept secure? What security policies exist in place for packages and scripts? I fear that just like on Windows there might be ways to catch a malware/...
3
votes
3answers
758 views

Should Ubuntu users be concerned about “Operation Windigo”?

Should desktop users of Ubuntu (and other Linux distros) be concerned about the malware-infection drive described as "Operation Windigo"? What threat does it pose to us immediately and are there any ...
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 ...
3
votes
1answer
687 views

How do I remove the brontok virus that has infected my Ubuntu via Wine?

My laptop runs on Ubuntu and was recently infected with the brontok virus it managed to infect my Ubuntu - through my flash drive - because I have Wine installed. I had used the USB in an infected ...
3
votes
4answers
6k views

How to scan my flash drives for Windows viruses while on Linux? (Not ClamAV) [closed]

I know that maybe it sounds like a duplicate but it isn't because I see that the other questions describe totally different situations than mine. Apart from the other users, I don't have a Windows ...
2
votes
2answers
1k views

Are there keylogger viruses that affect Ubuntu?

I just within the last few hours had my Amazon and Gmail accounts hijacked. Purchases were made through my Amazon account that I didn't authorize...in fact, I wasn't even in my room. According to ...
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: ...
2
votes
1answer
858 views

Can Ubuntu/Linux machines be infected by the Shylock trojan?

I've heard of this trojan that can now spread through Skype. I use Skype regularly and also access my online banking account occasionally on my machine. Should I be worried? I also run ClamAV and a ...
1
vote
1answer
2k views

Virus PUA.Script.PDF.EmbededJS-1

ClamTK reported a thread named PUA.Script.PDF.EmbededJS-1 when I scan my documents, but did not provide more details. Is it a Windows virus or Linux virus, what this virus does, how this spreads? I ...