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Questions tagged [malware]

Questions relating to malicious software

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Malware in browser on Ubuntu?

By mistake I opened a link in a spam email and, even though the browser (Vivaldi) blocked the page from loading, I wanted to understand if there may have been a malware download or something else. ...
Cornelius_Noctua's user avatar
-2 votes
0 answers
37 views

do I have malware on my laptop? [duplicate]

I cannot update linux/Ubuntu on my laptop at home because there is not enough space in the 'boot' folder. Do I have a malware? Plz look at the pictures! How can I get help to clear it? (I am not IT ...
MLR's user avatar
  • 1
1 vote
1 answer
87 views

Ubuntu 22.04: Server infected by a malware kdevtmpfsi [duplicate]

My freshly created server was infected by the kdevtmpfsi malware. I saw many articles advising how to permanently remove this malware, but none of them worked for me. After trying something and "...
user984621's user avatar
0 votes
0 answers
56 views

Can Linux effectively remove malware from an infected NVMe drive?

If yes, can you please give me the commands for this, and which distro can do better in this context? And can I format it as an external drive or can I format while I am using it as a host system?
Nourdine Dali's user avatar
0 votes
0 answers
173 views

Ubuntu system infected with virus, need help with removal and security

I accidentally exposed my SSH to the public internet with a user that had a very simple password. Hackers exploited this, and now whenever I boot up and connect to the network, my CPU usage jumps to ...
deadmau5v's user avatar
1 vote
1 answer
58 views

Where can I report a malicious app in your store?

I just noticed there are three different "leger live" applications in your snap store. Suspecting a fraud, I downloaded them, and indeed, some of them ask for the seed phrase... (which of ...
Juan Esteban Florez's user avatar
0 votes
0 answers
40 views

Is there an online malware scanner for browser? I recently had my firefox browser locked down by clicking on a picture in Facebook

Is there an online malware scanner for browser? I recently had my firefox browser locked down by clicking on a picture in Facebook.Firefox browser, locked untill hard shutdown, after reboot the ...
Ralph Little's user avatar
-2 votes
1 answer
216 views

How to remove Virus Popup Alerts coming from Chrome? [duplicate]

I have downloaded a PDF book from a site after which every now and then this virus alert pops up as shown in the Image. How to get rid of it? Please suggest any Antivirus which disinfect the virus ...
PVD's user avatar
  • 23
2 votes
3 answers
2k views

Clamscan viruses scanning, too many viruses

I installed ClamAV to check for some malware. It took much time, 4 hours, to scan my PC, and the results are in this screenshot: I am on Ubuntu 22.04 and tried to stay safe, but I wanted to double-...
ilie alexandru's user avatar
0 votes
1 answer
126 views

Problems with the Terminal

I recently had problems with Trojan viruses and malware on my Ubuntu 20.04, and I managed to vaccinate the system using clamav CHkRootkit RKhunter and Linux Malware Detector, but despite having ...
CapoBugbler's user avatar
0 votes
1 answer
59 views

i just have Downloaded spectacle and the app icon shows as gear is this a malicious app or this is just a problem?

I just Downloaded spectacle sudo apt-get install spectacle and the app icon shows as gear. Is this a malicious app or this is just a problem?
Abdueissa's user avatar
0 votes
0 answers
224 views

Livepatch reporting trojan based on Trend - Trojan.Linux.EMPEROR.USELVK623

we have a bunch of machines that are currently flagging a trojan in the livepatch update. Trend is reporting an issue in: /snap/canonical-livepatch/248/canonical-livepatch /snap/canonical-livepatch/...
Toby Anscombe's user avatar
0 votes
0 answers
288 views

How to remove StripedFly malware from Ubuntu 22.04?

I was reading this article, and decided to search for sd-pam in the processes of one of my laptops. I did ps -x | grep -i "sd-pam", and got 2864 ? S 0:00 (sd-pam) 29172 pts/0 ...
An old man in the sea.'s user avatar
0 votes
0 answers
70 views

What if I open Windows Application.exe which contains Viruses in Wine, it will harm my Linux os too? [duplicate]

If I use a Windows program in Wine that is affected by a virus, can it harm my Linux operating system and other files too? How I can avoid Windows viruses in Linux? Or there is another way to run to ...
Zach Khan's user avatar
0 votes
1 answer
301 views

Suspicous windows-like notifications from brave web browser (allegedly)

I almost always never allow websites to send me notifications, however recently I've been getting a lot of notifications from this specific website which is why i became a little bit suspicious, not ...
Razi Falah's user avatar
0 votes
0 answers
27 views

Weird browser-looking application opens itself in Ubuntu 20.04 [duplicate]

Today, a weird aplication, that looks like a default Ubuntu browser (not firefox) opens at random times (it opened two times today) and that never happened before to me. I taked a screenshot and i'm ...
Ruisu Migeru's user avatar
0 votes
0 answers
285 views

How to fix Trojan:EC2/DGADomainRequest.B

I have an EC2 instance which had some WordPress websites. My Ubuntu version is 20.04. A few days ago they were affected by malware and I have removed all malware from these websites, but in my AWS ...
Mohammad Fathi Rahman's user avatar
0 votes
0 answers
63 views

I cannot Reinstall linux without being infected

I have tried for a couple times now to reinstall any version of linux to a PC on my network. I got hacked about 6 months ago by someone on a game, and I haven't been able to comfortably reinstall ...
Kuskie's user avatar
  • 1
0 votes
0 answers
77 views

Linux.BtcMine.717 in canonical-livepatchd

today Dr.Web for Linux (antivirus) is detecting virus in Menace : Linux.BtcMine.717 Détecté par le module : Scanner Heure de détection : 17/6/23 2:42 Μ.Μ. Nom de l’objet : canonical-livepatchd ...
Greg Manset's user avatar
-3 votes
1 answer
198 views

GUI Ubuntu stuck_1

I deployed several years ago open free software Dspace 6 repository docs on Ubuntu 18.04.5 LTS desktop. I deployed Dspace on http, not on https. 1,5 years ago There was situation when The virus (https:...
Maiia's user avatar
  • 15
0 votes
1 answer
57 views

Is it possible to see what processes did last mounted USB device?

Is it possible to see what last mounted USB device? I am afraid, that last device infected my ubuntu machine and want to find out something about that device.
Karolis's user avatar
  • 29
0 votes
0 answers
504 views

Ubuntu 23.04 clamtk: libjson-c.so.3: cannot open shared object file: No such file or directory

I cant use the program for years now. What is wrong here?
jac's user avatar
  • 1
2 votes
0 answers
572 views

BLACKLOTUS UEFI virus: windows cannot avoid but how about Ubuntu?

Windows is facing a serious threat but what about Ubuntu? Is there any way to avoid UEFI in the boot process or not be affected by BLACKLOTUS? https://www.schneier.com/blog/archives/2023/03/blacklotus-...
serros's user avatar
  • 37
0 votes
1 answer
184 views

Linux Malware Detection - Malware in LMD folder found

I recently ran a full scan of my Ubuntu 22.04 LTS system and maldet reported these two files: maldet(3692653): {quar} malware quarantined from '/home/davids/LMD/maldetect-current/maldetect-1.6.4/files/...
sedsiv's user avatar
  • 133
1 vote
1 answer
129 views

Compromised Ubuntu? Weird unauthorised iso file downloads and download attempts

I noticed 2 failed attempts at downloading an iso file in my Downloads, that were attempted without my knowing. It happened while I was using the computer (attempt time 10:06, screenshot 1). The ...
Grace Pine's user avatar
3 votes
1 answer
931 views

How do I know if Ubuntu 22.04 has any virus?

I have a Windows / Ubuntu 22.04 dual boot. I get screen artifacts as shown below. At that moment, what I restarted Ubuntu. When it turned on, it no longer appeared and, until now all the applications ...
AngeM's user avatar
  • 33
0 votes
0 answers
928 views

kdevtmpfsi using the entire CPU

I noticed the cpu on ubuntu is 100% used by a process named kdevtmpfsi Anyone know what this is -is it malware? In /var/spool/cron/crontabs/www-data i came across the following cron job: # DO NOT EDIT ...
adam78's user avatar
  • 131
1 vote
1 answer
58 views

I possibly installed a malware by a misspelled java installation command in the terminal

I was trying to download java, more specifically, JDK version 16. The right command was sudo apt install openjdk-16-jdk, but I end up typing sudo apt install open-jdk-11 instead, the funny thing is ...
HaveMercy's user avatar
0 votes
0 answers
156 views

Files Unexpectedly Identified as Trojans by ClamAV

ClamAV has produced some unexpected results from a recent scan: Are the files in libxkbcommon and node_modules really trojans and exploits, or is this an example of Clam not doing what it's supposed ...
001121100's user avatar
0 votes
0 answers
105 views

my homedisk erased, is this malware or a systemfault?

After trying to save a spreadsheet, LibreOffice was hanging and could not be used anymore. I recently installed 20.045 so I decided to reinstall it. I first made an rsync of my homedirectory which is ...
Newbie's user avatar
  • 731
1 vote
0 answers
58 views

Is this system affected by CVE-2019-7304?

I am analyzing a system that since a month shows two new users in the login screen. After some research I stumbled over the exploit of snap: CVE-2019-7304 I checked the passwd file and found a new ...
rayon's user avatar
  • 111
0 votes
0 answers
1k views

rkhunter warnings

Hi I just ran rkhunters and got a lot of warnings which are not the first ones I found the first time a I ran it. I'll drop here the results to see if someone can help me and tell tell me if they are ...
Dcodewin's user avatar
1 vote
1 answer
385 views

chkrootkit says "grep --color=auto INFECTED," what should I do?

I just installed and ran chkrootkit for the first time and when I ran sudo chkrootkit | grep INFECTED, it returned ![user] 21342 pts/0 grep --color=auto INFECTED I'm a complete novice at this and ...
galleon's user avatar
  • 11
0 votes
0 answers
58 views

key strokes take a long time to register, ubuntu 16.04, ubuntu 18.04, etc

No matter what Ubuntu version or kernel version, some time after install it comes to the point where keystrokes take a long time to register. Sometimes it misses a character or duplicates a character,...
two4two's user avatar
  • 11
0 votes
1 answer
339 views

How to use wine with more security?

This question may sound duplicate but please read. I am trying to make a cross compiled application. So I would like to try mingw64. But while installing it I found that it requires wine. I have heard ...
Sohan Arafat's user avatar
0 votes
1 answer
379 views

What is the Generic Drive that keeps beeping on and off

Symptoms: Once booted and logged in: Computer beeps (same as attaching an external USB drive) then beeps (same as detaching an external USB drive). Frequent. Erratic. (Annoying. Worrisome: is ...
TLMystic's user avatar
0 votes
0 answers
111 views

Ubuntu hogging internet data even when idle

Ubuntu 20.04. I just connected my Ubuntu laptop that has negligible amount of apps installed to my WiFi. It's the only connected device to the router. My router is blinking rapidly, it does that when ...
Vin Raghav's user avatar
1 vote
0 answers
47 views

Possible windows virus infection?

Our IT team reported that a virus scan they did against an ubuntu server came back with: /sys/kernel/boot_params/data: Win.Trojan.Blackhole-36 FOUND When I looked at that file I can see text like ^...
Danbuntu's user avatar
0 votes
0 answers
217 views

New User needs help removing root kit virus

I clicked on a PUP pretending to be Norton and then subsequently installed Malware/Trojan. This virus overwrites the firmware of your router and redirects your DNS (doing a hardware reset does not ...
Peter's user avatar
  • 1
25 votes
5 answers
7k views

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's user avatar
  • 327
2 votes
1 answer
605 views

pmproxy using 100% CPU

For a couple days now, I notice a process called pmproxy using 100% CPU on bootup and stays at 100%. I kill the process and it restarts a couple seconds later. I renamed the folder /usr/lib/pcp and ...
FlyingFish's user avatar
6 votes
0 answers
450 views

Rkhunter still relevant in 2022?

I tried using the RKHunter 1.4.6 (http://downloads.sourceforge.net/project/rkhunter/rkhunter/1.4.6/rkhunter-1.4.6.tar.gz) in Ubuntu20.04 , it is around 4 years old , running it did not find any ...
rkte's user avatar
  • 61
0 votes
1 answer
396 views

LMD on Ubuntu 20.04 Server

Despite haviing ClamAV-Daemon installed, LMD / inotify always execute usr/bin/clamscan for scans, rather than using clamd, causes 100% CPU usage spikes. I've checked the /usr/local/maletect/conf....
nightwatch's user avatar
0 votes
0 answers
84 views

What is that .libs directory in the Desktop

What is that .libs directory in the Desktop created by, usually? I've just seen it for the first time. It contains nothing in it, but I am suspicious of it as I haven't run anything on the Desktop ...
Example person's user avatar
0 votes
0 answers
170 views

How can I ensure that Impress / Powerpoint presentations are virus free?

I use Ubuntu 20.04. I am aware that viruses exists for all operating systems (Linux included). However, it is rather uncommon to get infected on Ubuntu. Besides that, to avoid any malicious software, ...
matandked's user avatar
  • 1,139
4 votes
0 answers
630 views

Finding the unsigned and out-of-tree loaded kernel modules?

I just tried the cat /proc/sys/kernel/tainted command and the return value is 12289. 0 1 A module with a non-GPL license has been loaded, this includes modules with no ...
OneAndOnly's user avatar
1 vote
1 answer
1k views

Question about dual boot

If my Windows gets infected can linux compatible malware pass to Ubuntu? I just wanted to know the method used by the malware since the Ubuntu partition is disabled in Windows. Thanks in advance.
user avatar
0 votes
0 answers
170 views

Does LMD and ClamAV have any packages for sending reports to a monitoring console?

I currently have about forty Ubuntu Servers (mostly 18.04 and 20.04) that I am installing ClamAV and maldetect on so we have at least some monitoring for malware on the systems. What we will likely do ...
S. Nixon's user avatar
  • 411
0 votes
2 answers
764 views

Can a virus be installed just by downloading a file?

Let´s assume that I programmatically download a malicious file, e.g. using wget, and try to import in e.g. R or Python as a text file. If it fails, I delete it using rm. There is any chance that my ...
user3091668's user avatar
0 votes
0 answers
31 views

Antivirus in Ubuntu? [duplicate]

I have recently made a switch to Ubuntu from Windows just because Windows is more prone to viruses. We all know Ubuntu isn't also 100% immune to viruses/intruders. Is there any need of installing ...
Suryanshu Dinkar's user avatar

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