Questions tagged [malware]

Questions relating to malicious software

Filter by
Sorted by
Tagged with
0
votes
2answers
55 views

Is snap verified by Ubuntu SnapCraft Team?

Is snap verified by Ubuntu SnapCraft Team similar like Apple in Appstore? Verification about: It contains malware / spyware / virus / stealing information / unnecessary permission usage or not.
2
votes
2answers
276 views

Can a windows file or virus in any way affect bios or Ubuntu?

first of all, this is my first question on this site or anywhere for that mater, so excuse any mistakes or the lack of info I might provide, I'll try my best:). I have recently installed a program on ...
-1
votes
0answers
36 views

How to upgrade from a possibly compromised ubuntu system to a new system?

I have Ubuntu 14.04 on my machine. Since I could have installed applications from some untrusted sources, I suspect that my system could be compromised and could contain malware. Now, if I want to ...
0
votes
0answers
15 views

What security best practices should be followed while downloading and installing software?

Is it necessary to check that the software we are downloading comes from a trustworthy source? Or can software in the official Ubuntu repositories be automatically trusted to be safe? I am especially ...
0
votes
0answers
30 views

AndroiBox of AndroPytool did not work

When I ran andropytool on Ubuntu 18.04, an error occurred that Androibox could not work ''' (droidbox_env) root@d8e5070d137a:/# cd AndroPyTool/ (droidbox_env) root@d8e5070d137a:/AndroPyTool# python ...
0
votes
1answer
49 views

Mystic activity when idle

When my computer is running idle with no programs running i can see unusual spikes in the processor and network activity in the system monitor. I has been like this for quite a while. It happens even ...
1
vote
0answers
27 views

Is there any way to check/verify if a ppa repository is safe, or has been flagged by someone for some reason somewhere on the internet? [duplicate]

You ve got a lot of ppa repos out there, and everyone seems to link add and download from these without checking (i assume). Is there a way to verify safety of a ppa somewhere on the internet ?
0
votes
1answer
52 views

is there a chance that malware will affect my windows partitions? [duplicate]

My question is : Same I dismount? affect my windows partitions? Sorry my english grammar
0
votes
0answers
39 views

Malware lab without virtual machines (Lubuntu as server/gateway)

I would like to set up a malware lab without virtual machines. On one laptop I have Windows 10, on the other Lubuntu, which will be used as a gateway/server. On the latter, I want an ethernet ...
0
votes
1answer
60 views

Spam in Notifications

I'm seeing the following message in my notifications: HA BAШE ИMЯ ПPИШEЛ ФИHAHCOBЬIЙ ПEPEBOД... Google translate gives this as HA YOUR NAME WAS FISHED... I can't clear the notification for some ...
0
votes
1answer
154 views

Clamav False Positive and Linux Viruses statistics

I use Ubuntu Studio 19.10. After to use Clamav (with Clamtk GUI) to scan my PC, I found a lot of LibreOffice files, macros mostly, which Clamav shows as "Possible dangerous threats". But, I guess it ...
0
votes
2answers
81 views

How to stay safe on Ubuntu [duplicate]

I am a complete noob to linux. And I have installed ubuntu on my laptop. My concern is Security. A lot of sources online say I don't need any anivirus software, can someone explain why this is? I ...
0
votes
1answer
44 views

Unidentified JS file on desktop

I noticed just then an unidentified file with a .js extension on my desktop. I double-clicked it before thinking about it and it opened as text with Pluma (my default text editor). Should I be ...
-2
votes
2answers
149 views

Nervous about this application. Could it be Malware? Can i find out?

I don't know what is, I won't click it and you can't right-click the link. How can I figure out what it is, and if it is malware how can I identify it as such?
25
votes
1answer
10k views

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: ubuntu-18.04.3-live-server-amd64.iso-> pool\main\l\linux\linux-modules-4.15.0-55-...
3
votes
0answers
83 views

Ubuntu Hacked - Attempted to Kill Init

I recently got hacked via Omegle. I realised that the person was able to control my cursor and my keyboard as well. So, I shut off my machine as soon as I realised it. I turned it on later, to ...
1
vote
3answers
96 views

chrome popups / malware

I've got a school lab with Ubuntu 18. On some computers, when Chrome is open I'm getting popups saying things like "local weather" or "Sandra transferred $99,999.00 PayPal" and the like. chrome://...
0
votes
2answers
106 views

How can I track down what is giving my desktop spam notifications?

I'm getting desktop notifications when I log in. They look simply like news headlines. I thought they were some new part of Ubuntu. Clicking on these leads me to websites like investing-review.com ...
1
vote
0answers
193 views

Xubuntu 19.10: Chkrootkit; tty's of user processes not found

Every time I've done a fresh install of any Linux system, whether it be any Ubuntu variation, Solus, Debian (installing overnight in Rescue Mode) I seem to run into errors and running Chkrootkit ...
0
votes
1answer
232 views

How do I know if my Ubuntu system has a virus?

I am quite new to the Ubuntu system, currently using Ubuntu 18.04. I've been a Windows user since a kid (but I'm not a technogeek). I was wondering if Ubuntu can be affected by viruses and how can I ...
2
votes
3answers
444 views

How to scan if Ubuntu is infected? server attack

Sometimes I can not enter my website because according to the hosting administrator you tell me that from my IP or from my computer "attacks and port scanning are being launched to various servers ...
15
votes
2answers
2k views

Suspicious connections coming from Firefox (possible malware)

I was playing around with Wireshark when I noticed something very suspicious: every time I open Firefox (official build from Ubuntu repos), it immediately connects to a server with an apparently ...
1
vote
0answers
88 views

Why does libreoffice soffice.bin process CONSTANTLY RECEIVE internet bandwidth ? Malware ? Virus ? What?

Why does libreoffice soffice.bin process CONSTANTLY RECEIVE internet traffic ? This is according to BOTH NetHogs and Gnome System Monitor. I was curious about KB/sec internet IO numbers that ...
0
votes
0answers
56 views

I think my server has become part of a botnet, but ClamAV can't find anything

I know virtually nothing about Ubuntu so please be gentle. Recently my server host has contacted me saying they suspect my server is part of a botnet, specifically one that probes TCP ports. They've ...
0
votes
2answers
52 views

Strange Behavoir After Latest Update

I did the latest Update earlier today. Then hours later I was not using the computer, and it was just sitting there idle with nothing to do. Then I noticed the hard drive light flashing constantly, ...
0
votes
0answers
29 views

Why my Ubuntu keyboard is acting wierd?

It started with my 'U' key suddenly stopped working when i was typing on some search. 'U' key works when i restart computer, but stops working after sometime. I thought at first that the key is ...
0
votes
0answers
56 views

CPU usage drops when opening system monitor

I recently noticed that whenever I open the System Monitor App the usage immediately drops from 8 cores to 1, like shown in the image. The same problem occurs with htop and top. My OS is Ubuntu 18.04 ...
0
votes
0answers
252 views

Weird notifications popping up on desktop. Maybe a virus?

Some weird notifications are popping up on my Ubuntu that I use just for college. For example: Facebook 1 new private message Now... I haven't used facebook for 4 years and I really don't know why I'...
0
votes
0answers
82 views

Is this a fake softeware update? How do I identify a process id of this dialogue?

The dialogue shown in the bottom of the picture just came up. It looks unfamiliar, so I run software updater manually which completed and be seen in the above half of the picture. The reasons the ...
2
votes
2answers
647 views

Can we disable cron services in desktop?

I was reading about EvilGnome and how it hijacks a system. One of the interesting thing I read was how it uses crontab The Linux implant also gains persistence on a targeted system using crontab, ...
0
votes
1answer
82 views

Unable to delete file whose name starts with “sed”

I noticed this file on my desktop "sedxzNQQm", but it does not display in Nautilus from the Desktop directory. Furthermore, when I try to delete the file I get the following error. What is the best ...
1
vote
2answers
470 views

Crypto miner malware

I keep finding my server with a 100% CPU usage, and it's an ambiguously named process that's hidden somewhere in the /etc/ folder running under root (always a different folder). The first time I found ...
1
vote
0answers
97 views

Why does having Google Chrome installed make Firefox run slower?

I have noticed that on Ubuntu 16.04, when I have Google Chrome installed, Firefox is much slower, crashes more often, and takes longer to boot up. These symptoms (slowness, crashing, longer to boot ...
0
votes
1answer
72 views

Will clearing the write bit on my backup drive protect it from malware?

I've been reading about ransomware and how it can infect not only the main drives but also backup drives if they're connected to the network, and that Linux, although more secure than Windows, is not ...
-3
votes
1answer
297 views

How to completely remove anything related to Firefox

My Ubuntu 18.04 device has been infected. there have been fraudulent bank transactions. I need to clean my Firefox completely. Please, help me with steps to completely remove any file related to ...
-1
votes
1answer
105 views

Antivirus/Malware scan tools fro Ubuntu

I suspect that my Ubuntu 18.04 device is infected by a malware or something like that. I have had a fraudulent bank transactions. Can you please help me with the best ways/tools to check if my device ...
-1
votes
1answer
274 views

Installing software via .deb - any real risks?

I'm completely new user of Ubuntu OS, so at first learning some total basics. One of the first things to do - installing Chrome browser, made me already confused. I found a big topic about that (How ...
0
votes
2answers
320 views

How to secure Ubuntu from malware/keylogger running on wine

I have Four questions.. A malware might do many things like modifying/encrypting files, taking screenshot, using webcam and microphone, keylogging etc. 1. The default configuration of mapping Z: to ...
0
votes
1answer
669 views

The download speed of apt-get update progressively becomes slow

My internet connection is perfect, and I had also tried using the best mirror for downloading the updates, yet apt-get update and apt-get upgrade are extremely slow- it gets stuck with "reading ...
0
votes
1answer
134 views

Is there any known viruses/malware that can infect Ubuntu that came from the usb?

I know that most viruses that can infect the OS from having the infected usb inserted into the PC are mostly Windows only, but is there any possibility that there is one that can affect Ubuntu as well?...
0
votes
2answers
73 views

Does zeroing a drive equivalent to 'Nuke it from orbit'? [duplicate]

Say I have two OS on my computer, one is Windows, and another is Ubuntu. My Windows apparently has been infected by nasty malware, and it currently making it unusable. However Ubuntu doesn't seem to ...
0
votes
0answers
48 views

Is running unknown applications in a separate non root account safe?

I'm new to Ubuntu and I have seen people online suggesting to add ppa s and download applications outside the software centre. I know that if I don't trust the publisher it is a security risk. But is ...
0
votes
1answer
80 views

Ubuntu weird process use 60-70 percent of the CPU

Recently I noticed that my VPS is doing a lot of work, I ran 'top' command and I saw a process with a weird name who using 60-70 percent of the CPU (I attached pictures). When I kill those process ...
-3
votes
1answer
133 views

When a document or picture gets infected, does its file type change? [duplicate]

I know infected documents in windows have file extension of .pdf.exe or .jpg.exe . Can you infect a file without changing extension? Is it the same in linux?
17
votes
5answers
12k views

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. ...
1
vote
0answers
29 views

Safest practice for installing software with potential malware [duplicate]

For a project I have been contracted to work on a collaborating Chinese programmer has provided some software to simplify some tasks. I am unaware whether this software package contains malware or ...
3
votes
1answer
465 views

Why is gnome-calculator scanning my home directory?

I'm currently running Ubuntu 18.04.1 and have gnome-calculator 3.30.1 installed. I'm pretty sure that's the one that came bundled with 18.04. Every time I launch gnome-calculator the following ...
1
vote
2answers
318 views

How do you reset firefox without losing your bookmarks/logins?

I've been getting these black-background text popups in the upper right corner when I have firefox running (they appear even when minimized) and when I click on them it takes me to pages. I'm not sure ...
-1
votes
1answer
155 views

What is recommended for fighting threats on an Ubuntu system? [closed]

I'm fairly new to GNU/Linux and I've recently migrated to Ubuntu because I've heard and read it's one of the best distros to try when you're learning Linux. However, I'm looking for something to ...
0
votes
0answers
419 views

on-going ransomware attack

While I have a lot of experience (including driver level programming), this one is new to me. I'd appreciate any pointers as to how to proceed. I was running Ubuntu 16.04 LTS. I updated daily. And ...

1
2 3 4 5
9