0
votes
1answer
36 views

Does ubuntu require antivirus [duplicate]

Does ubuntu require antivirus? If yes then please tell me what's the difference between windows virus and ubuntu virus?
0
votes
0answers
10 views

Questions about how malwares might operate under wine [duplicate]

a recent scan by clamav found that a few exe files in the WINE directory are infected with a trojan (called Ratnim?). A have a few specific questions on what a windows malware can do under linux. 1) ...
1
vote
1answer
26 views

How to clean data when wiping/reinstalling a compromised server?

I have a server that has been compromised, where the logs have been blown out and I have neither the ability nor the time to discover what actual pieces of the system were modified. The server was ...
0
votes
0answers
71 views

Help recovering from a hack and a malware warning

On Thursday (2014/7/24) morning I discovered that one of my Ubuntu systems was hacked. I believe it may have been the malware NetWire. I was able to see some traffic from the internet directed at ...
0
votes
2answers
38 views

ppa and System Security

I have been installing all my software from the Ubuntu Software Center. Recently, I had been installing software from PPAs. Can adding PPAs and installing software from them compromise the security of ...
12
votes
1answer
551 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 ...
3
votes
3answers
365 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 ...
2
votes
1answer
1k views

Virus detected with ClamTK (Possible infection?)

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] ...
3
votes
3answers
2k views

What do sapd, skysapd, sksapd, and ksapd do?

Does anyone know what sapd, skysapd, sksapd, ksapd do? Are they viruses? I tried clamav it didn't recognized them as viruses. I also realized that my /etc/rc.local has multiple copies of this: ...
-1
votes
3answers
585 views

Does ubuntu allow users to run ESET Smart Security?

Does ubuntu allow users to run ESET Smart Security? I am considering upgrading ubuntu from Windows 7 but I'm not sure if it allows the use of outside security programs.
2
votes
1answer
83 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 ...
1
vote
3answers
132 views

Seeing all installed items on server and protecting server from malware

I've got a VPS running Ubuntu 12.04 - I'm not particularly well versed in server management, but can do basic CL stuff. We've got some third parties (from odesk) working on a web app for us that will ...
1
vote
1answer
395 views

Cannot remove script virus in Ubuntu [duplicate]

After I scan via clamav/clamtk, I found 1 possible threat that I cannot remove/quarantine. How to remove virus? Or Is this false positive? ...
2
votes
1answer
3k views

Malware and Backdoor detection Shell Script

I'm trying to build a shell script which can automatically detect malware, backdoors and rootkits and I'm trying to research for it. I found some of the things like find . -name “*.js” | xargs grep ...
21
votes
8answers
3k views

Where can I look for malware that may have been installed on my machine?

I want to analyze my ubuntu box to detect if it was been hacked. My question is: what are all the place where to look to discover if some malicious software are started ? The following is some kind of ...
2
votes
2answers
340 views

Using linux/ubuntu to combat windows flash drive malware?

I had asked this question on ITSecurity @ Stack Exchange also. There may not be may linux distro users in ITSec, but obviously there are many here. So, I think that it might be appropriate to put that ...
2
votes
1answer
67 views

How do I know if an app is safe to use?

Is there any reliable way to know if something that you install is safe? There are virus scanners like clamtk, but those only seem to focus on Windows files. Should I be concerned about viruses / ...
1
vote
1answer
215 views

Can Mal/JavaJar-B infect an Ubuntu/Linux OS?

I've just read about the Mal/JavaJar-B malware that is apparently capable of attacking OS X computers via a security hole in Java. I've also heard a few people mention that it can also affect Linux ...
18
votes
1answer
57k 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?
3
votes
3answers
2k views

Trojan in Ubuntu? DigiNotar

On Wednesday, I installed an old copy of Ubuntu 10.04LTS onto a pristine desktop PC that I built w/ brand new hardware--DSL modem, too--except for the CPU. Then, I downloaded Ubuntu 12.04 from ...
4
votes
3answers
4k views

“Successful su for user by root” - suspicious entries in my /var/log/auth.log?

This post on reddit made me go through my logs. That's when I discovered the following entries which appeared on two non-subsequent days. "user" is my user account. Aug 4 22:50:37 UbuntuSystem sudo: ...
4
votes
2answers
669 views

What additional security measures should I apply for Ubuntu?

So on my Windows 7 install, I've got multiple free malware/virus scanners and a firewall up. But I've heard that Ubuntu (or Linux in general) is much more secure by default. So what additional ...
7
votes
3answers
914 views

Ubuntu installed alongside an infected Windows system

My antivirus scan has found something on Windows 7. No information yet what it is. However I was thinking of installing Ubuntu alongside Windows. Could that be dangerous in terms of Ubuntu catching ...
4
votes
4answers
4k views

Is it risky to download a script with a http://goo.gl/ link?

Following the advise of an answer in Ask Ubuntu, I downloaded and ran a script with a URL starting by http://goo.gl/ Is it risky to use such file? could it be a virus or something else? If yes, what ...
1
vote
2answers
251 views

Will I be prone to viruses? [duplicate]

Possible Duplicate: Do I need to have 'antivirus software' installed on Ubuntu? I replaced windows because of the viruses and such. I was wondering if I had to worry much about them ...
4
votes
3answers
972 views

Did I Somehow Get Infected with Spyware or Virus?

So I Was trying to Install Ubuntu restricted Extras, and well this poped up in the terminal. www.actingcareersnow.comCasting Calls For Kids & Teens. Audition Now! Ages 9 to 29. [1] 3241 ...
-1
votes
1answer
1k views

Why aren't there viruses in all Linux based systems? [duplicate]

Possible Duplicate: Do I need to have antivirus software installed on Ubuntu? I only need an article which explain why We don't have viruses in all Linux based systems? and also explain if ...
39
votes
7answers
11k 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?
16
votes
5answers
11k views

How to detect and remove a Linux trojan?

I recently (re)stumbled upon this: Linux Trojan Goes Unnoticed For Almost A Year (Unreal IRCd) Yes, I know that adding some random PPA/software from an untrusted source is asking for trouble (or ...
14
votes
3answers
2k 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 ...
30
votes
3answers
769 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 ...
26
votes
5answers
7k 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 ...