Questions tagged [malware]
Questions relating to malicious software
498
questions
0
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43
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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?
-1
votes
0
answers
65
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Ubuntu 20.04 infected with nood rat malware, clamav is coming back clean. Does anyone know how to manually clean this?
Ubuntu 20.04 is infected with nood rat malware, ClamAV is coming back clean. Does anyone have the process for manual cleaning this?
1
vote
1
answer
58
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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 ...
0
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0
answers
97
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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 ...
-2
votes
1
answer
181
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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 ...
0
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0
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38
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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 ...
2
votes
3
answers
2k
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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-...
0
votes
1
answer
111
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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 ...
0
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1
answer
49
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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?
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0
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223
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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/...
0
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0
answers
259
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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 ...
1
vote
2
answers
240
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What is /var/tmp/php-fpm ? This command is consuming high % of CPU
Somebody kindly explain what kind of a file is /var/tmp/php-fpm and its uses? This command is consuming high CPU percentage when I checked using the top command. The file gets recreated even if I ...
242
votes
24
answers
189k
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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 ...
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0
answers
65
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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 ...
0
votes
1
answer
274
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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 ...
-3
votes
1
answer
197
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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:...
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0
answers
27
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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 ...
0
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0
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262
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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 ...
103
votes
5
answers
165k
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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 ...
0
votes
0
answers
62
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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 ...
0
votes
0
answers
76
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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
...
3
votes
3
answers
3k
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Running Malwarebytes under Wine 1.2.2
How can I get Malwarebytes to run with wine under 10.04? I have wine version 1.2.2 at default settings. Is there anything specific I need to do in order to get Malwarebytes to run? I am using the ...
0
votes
1
answer
54
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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.
0
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0
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482
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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?
25
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5
answers
6k
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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.
2
votes
0
answers
548
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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-...
0
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1
answer
184
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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/...
0
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0
answers
307
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Crypto-mining maleware that disable input and output devices
I recently find my computer monitor sometimes shuts down itself and cannot be wake up by tying on my keyboard or my mouse. I turned off and on the monitor, but it shows 'no input signal'. I changed ...
1
vote
1
answer
118
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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 ...
3
votes
1
answer
889
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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 ...
1
vote
0
answers
1k
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ClamTK not working
I think I have this same issue.
Lately, I noticed I get malware, that redirects me to fake websites while I browse. I installed clamtk and clamav, and it worked. But I recently updated eveything: the ...
1
vote
3
answers
2k
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Remove adwares ( taboola, outbrain etc ) from Chrome/Firefox on Ubuntu
How to remove "around the web" by outbrain or recommended by taboola from google chrome or firefox on ubuntu ?
I tried removing content of
rm -r ~/.config/google-chrome
install and re-install ...
0
votes
0
answers
866
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 ...
1
vote
1
answer
57
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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 ...
0
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0
answers
144
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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 ...
1
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0
answers
58
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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 ...
0
votes
0
answers
105
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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 ...
0
votes
0
answers
1k
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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 ...
1
vote
1
answer
375
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 ...
0
votes
0
answers
55
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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,...
0
votes
1
answer
300
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 ...
0
votes
1
answer
347
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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 ...
0
votes
0
answers
107
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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 ...
219
votes
2
answers
569k
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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?
1
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0
answers
47
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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
^...
0
votes
0
answers
212
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 ...
2
votes
1
answer
569
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 ...
1
vote
2
answers
176
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I possibly installed malware, help please
I was looking for a Twitter app on Ubuntu Software Centre and I downloaded a fake Twitter app from snapcraft. Didn't notice and didn't read the comments before I hit install, like an idiot. The name ...
37
votes
4
answers
39k
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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 ...
2
votes
1
answer
4k
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How to print the location of malware in the terminal with ClamAV?
When I use
clamscan -r --bell -i /
(scan the whole system, output only when warning appear)
I get this warning in the terminal
LibClamAV Warning: PNG: Unexpected early end-of-file.
How can I get the ...