Software :: Removing Virus With Live Cd ?
Mar 20, 2011
I have a Toshiba laptop that cannot boot- I get the message, "Windows could not start because the following file is missing or corrupt. C:windowssystem32configsystem"
I've found out how to use a linux live cd- (KNOPPIX_V3.9-2005-05-27-EN.iso) to back-up files I don't want to lose but now I want to know if there is a way to scan for and kill viruses, fix or replace the files that are so called corrupt instead of having to re-install from the factory OEM recovery CD. This would wipe out everything. I don't have a Microsoft windows CD. OS XP home.
This live cd thingy saved my butt so far....can it also run anti-virus software to fix my windows boot problem?
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May 23, 2011
My Windows machine crashed, and I am at the mercy of my Ubuntu live-CD to solve all of my problems. I am backing up my data as I write this post. I was wondering two things: 1.) Is there a way to scan my Windows partition for viruses through the Ubuntu live-CD? I don't care much about repairing the partition, I just want to know what happened.
2.) And a few non-linux question: If I back up an infected file to an external hard disk, is it possible to infect another computer by merely connecting the disk to it? Is it possible that multiple, or all of my files have been infected? Is there a way I can open files safely on another (Windows) machine without (or at least minimalizing) fear of crashing it?
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Jul 29, 2010
when I attempt to scan anything with clamav from a terminal I get the following error:
ERROR: Can't create temporary directory /var/lib/clamav/clamav-da584cb3f4ee38529f0460ad6f7dc632
Hint: The database directory must be writable for UID 999 or GID 100
Which I take to mean that there are no virus definitions installed. I use the "freshclam" command. Which results in the following error:
ERROR: Can't create temporary directory /var/lib/clamav/clamav-da584cb3f4ee38529f0460ad6f7dc632
Hint: The database directory must be writable for UID 999 or GID 100
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Jul 15, 2010
I have a dual boot computer. The WindowsXP "side" has been infected with a rootkit virus. So far UBUNTU has not been affected to my knowledge. I have not yet removed the virus from the WindowsXP "side". I am thinking of deleting the NTFS partition and have the computer fully dedicated to UBUNTU. Now for my question. Is there a possibility that the virus resides in the MBR and that I need to "rebuild" the MBR to actually remove the virus?
Even more extreme, should I totally re-install UBUNTU in the name of safety and precaution.
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Aug 22, 2009
if there is any free software there used to protect Fedora from spyware and virus?
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May 31, 2011
I know a bunch of commands and I am comfortable using the terminal, I even set a powerpc server but I can't figure out how to remove epiphany on this new computer I'm setting up. I didn't install anything with tasksel. I installed gnome and xorg afterwards... I load it up and 'startx' just fine. then I check around for the programs that were installed. I lik'em gimp, lot's of utilities. gedit. anyway I find epiphany, which I have already established that I dislike, I immediately go to the root terminal (another nice program that comes with gnome) and type apt-get remove epiphany-browser-data the output says it will be deleting gnome... however I have researched and found these are simpy meta packages that don't really matter.... however under the section that states all the packages that will be removed by autoremove there is a huge list... I doubt these packages are safe to remove. how to remove epiphany without removing a huge amount of probably needed software
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Feb 27, 2011
what i did was, remove evolution mail from synaptic, what i wanted to do was just remove the indicator applet from the task bar. i read a bunch of bad stuff about removing evolution from synaptic vs just removing the applet.
im worried. did i break anything or put my security at risk. after, i used a command (older) (sudo apt-get install ubuntu-desktop)to install ubuntu desktop. because i thought that it would fix evolution. then i went to synaptic and installed a package called evolution. i rechecked evolution in applications menu. however, i notice that i have both a checkable evolution and two evolution icons. nothing 'seems' broken. im not sure if it ever was. and evolution calender pops up as normal, as does the the installed plain evolution. they both seems to be an exact copy of the other.
all i really wanted to do was remove the indicator applet. did i make a serious mistake. since ive had ubuntu, ive reformatted a lot because i was worried i made a mistake of some kind. however now im into the more "make a mistake and fix it stage' as im pretty happy with my current desktop and have worked hard to customize it. the command, sudo apt-get remove indicator-messages removed the mail icon. i still am worried that i broke something, or put my security at risk. also, now i have two mail icons. evolution mail and calendar, and another just called evolution.
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Aug 25, 2010
These should be my last pleas for help with regard to Fedora 13. I've been unable to turn off the notifications that appear in the top right corner, despite a decent amount of searching on google. I can't remove any notifications package without removing a bunch of important software along with it. Also, F13 refuses to "Safely Remove" either of my external disks. I have to yank out the usb cord, touching wood each time.
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Feb 5, 2011
I installed ubuntu from a usb, it installed ubuntu good, but i had some problems with drivers ATI and I tought that maybe was because of the usb, so I've decided to wait to get my dvd-burner back, because I have an original cd of ubuntu 10.04 and I was going to use it, so I uninstalled ubuntu from windows 7 (... I just deleted the partition for ubuntu) now I'm having problems at the boot because the grub still there, for the moment I don't have dvd-burner and because of that I can't repair windows 7
What I can do maybe: Install ubuntu again from the usb, that should fix the grub giving me the ability of select OS but, there is nothing that I can do in ubuntu to uninstall the grub?
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Jun 24, 2010
i have a virus in my mp3 that i don't know how to get rid of. the virus is called 'autorun.inf'. even though it doesn't affect Linux (i think) when i mount the mp3, the icon appears as if it was an empty folder. it use to let me delete/copy files into the mp3 but now it doesn't anymore. i cant delete the autorun.inf file or any file!
Ive had this problem before on the same mp3 and what i did was format the mp3 in windows but the thing keeps coming again and again . ive seen a couple 'windows solutions' for this but i dont have windows anymore so...
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Aug 1, 2010
I have a mac, but I have a lot of files on my Ubuntu machine, that i'd like to transfer over, but I would like to make sure they are clean.
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Nov 14, 2010
Being used to the pc i have always used resource draining virus protection programs. now that i have switched to ubuntu 10.10 i wanna kno is there rly any need for virus protection on my linux?
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Aug 21, 2010
Is there any virus freeware for rh?
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Dec 30, 2010
If I tried to run a virus-infected windows program under wine, could it have any negative effect on my wine installation? Considering that wine uses a lot of the same things as windows does, I can imagine this happening.
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Aug 21, 2009
We are usung Fedora 3 for samba server. W32.Imaut Virus detected by Symantec Virus 10.
How to block a virus or any patch.
which antivirus can delete it?
I attached screenshot.
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Feb 16, 2010
I know that running linux makes you safer from viruses, since viruses are mostly windows based, however IMHO there are still chances to get some kind of viruses or better said some malicious code in scripts/cookies via browsing. I'm no expert if this field and would therefore need some of your advice. So the thing that made me think, happened yesterday, when I, as a registred user on forum Allgemeines Forum got an email, from one, who obviously didn't have good intentions. I did report the mail on the forum, here Forum abused?!you can check the thread with original mail I got. I did follow the link in the mail to check what is it about, and saw a script that fired up, pretending that it scans my computer for viruses and as a result showed that I have many viruses on my pc on various places. Quickly I saw it can't be true, since the content on the page displayed was showing as if I had a Win xp system. And when I tried to click to close it, it offered me some exe file to install, at that point I closed the browser and didn't download the file. However I am a bit in doubt if anything else downloaded automatically without my confirmation (a cookie, script,..), which executes with the help of the browser and is not OS dependent. So now I wonder how could I check I didn't get anything malicious? The most threatening I find some potential "key logger" which would monitor my input on password protected areas I browse. Browsing around I found a nice site showing how to protect you browser better Securing Your Web Browser and I tend to follow some of the advices mentioned for firefox. I know that for safe browsing it is not just the browser responsible, but also the user using it. So any your advices from this field would be appreciated and by posting this, I would also like to point at some most tricky ways, that some f****** imbeciles try to use in order to steal private data, so watch out.
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Jan 3, 2010
What is the best protection program against viruses and how they can be revealed on the device
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Sep 12, 2010
Since I am having troubles with sharing folders with win xp in virtualbox, I would like to know whether the following sort of idea is feasible: I want a windows xp system on which I can test my softwares with crack files - and crack files are mostly unlikely not to have viruses. Can it be used nearly full featured kind of virtually, so that this immunity to viruses can be achieved? But usual windows system usually are vulnerable to viruses; hence this question.
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Aug 17, 2009
How to get the Best Anti Virus Software From Internet.
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Jan 5, 2010
I have Debian Lenny with virtual-box and I just installed Windows in it.Can I have some virus and destroy me windows on virtual box in Debian?It is recommended to install some anti virus if I think to use it for a long time?
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Sep 4, 2009
I have been trying to update the gui version 4.10 and the antivirus engine 0.95.1 but to no avail.
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Sep 2, 2010
klamav KDE doesn't work. It won't download updates. So, I want to make a one-click scan. I'v been using shell installers from nvidia. I know the sequence I use in the terminal to get it running. There should be way to do this from the desktop.
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Jan 19, 2010
I've noticed that on a regular basis I see facebook statuses complaining about viruses (e.g. "sorry I haven't been on in a few days... my comp got socked by a virus and I had to reinstall everything")
Lately I've taken to commenting on these with a link to Ubuntu with a short testimonial about how I've been using Ubuntu exclusively for years and have not had any virus problems since (nor have I installed any anti-virus software).
On the flipside, I know that Ubuntu is not the savior to all computer problems, and that it has its own issues, but I just want to let people know that there is a choice out there, and they can choose if they would rather deal with Windows' issues or Ubuntu's issues. For many users, Ubuntu would make a lot of sense.
But I rarely get any response to these comments, and I wonder if I should stop bothering. Do you think this does any good? Maybe it just aggravates people? Maybe they have no idea what I'm talking about and the link I post makes no sense to them?
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Jul 4, 2010
I'm quite new to Ubuntu and I am running Ubuntu Studio 10.04 . I have just installed Klam AV and had it scan my computer . I was surprised to find that it had found two 'viruses' . I don't know if anyone can help me in finding out if they are real or only false positives . The following is the output that I received .
Name of File
/usr/src/fglrx-8.723.1/libfglrx_ip.a.GCC3 and GCC4
Name of Problem
Heuristics.Broken.Executable
Status
Loose
Does anyone know if this is a problem.
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Jul 31, 2010
A while back I had been using ubuntu on a live cd after my windows partition had been taken over by a virus, which at the time I thought had been removed by my anti virus (and then took out winlogon) and I did a system repair instead of a complete reformat because I didn't want to lose all of my files. After repairing, I noticed some things like what looked like fake "this page has been blocked based on your security preferences" on major sites like ....., myspace and facebook. I ran another virus scan with a different AV and strangely it detected a behavioural software keylogger, which after looking it up seemed to be something that could only be installed with physical access to the system, which confused me. Anyway, this is when I started to use the live CD to copy some of my music, videos, pictures etc. onto my flash drive. From what I can remember, I used this USB on my main computer without problems, but the last time I used it (few months ago) I ran a virus scan afterwards, just to feel safe and it came up with a couple java exploit trojans. This was probably just coincidence and I hadn't ran a scan in a day or two, possibly even a false positive as I noticed no decrease to system performance or any odd happenings.
So, my questions are: Is it even possible for a virus from a windows partition to copy itself to a USB flash drive on an ubuntu live cd; and is it possible (if the virus was even capable of this) if I insert the flash drive into my ubuntu computer, it could do anything like transfer across my WLAN to my windows computer, or even copy its files onto ubuntu but be unable to do anything? Which brings me to another question: if I visit a website that may contain drive-by malware or a virus of any type, is it capable of acting at all, such as even trying to transfer itself into my home folder, or does it not even recognize ubuntu at all and do nothing?
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Aug 19, 2010
Unable to send mail thus adjust protocol port and it worked. Things moving slow on computer. Thus ran clamtk virus scanner. It found a virus. Tried to quarantine it but not successful. Have GUI version 4.15 Antivirus engine .95.3. Virus is located at
/home/kim/.mozilla-thunderbird/zrlm4cOj.default/Mail/LocalFolders/Inbox Phishing.Heristics.Email.SpoofedDomain
What do I do to get rid of it?
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Sep 24, 2010
My machine that is running Windows XP got a virus a few months ago. Keep in mind I have NEVER used Internet Explorer.
Symptoms when CONNECTED to the internet: My volume is turned down on start-up. When the volume is on the internet explorer "clicking" noise plays frequently. In task manager there are two "iexplore.exe" processes running. As soon as I kill them they will start up again. They aren't taking up copious amounts of memory, but they are still very present. If left on for long enough pop-ups will start appearing.
Symptoms when NOT CONNECTED to the internet: None.
What I've done: I've ran a handful of the free Anti-Virus programs, e.g., AVG, ComboFix, avast!, and Malwarebytes' Anti-Malware.
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Oct 9, 2010
i have dual boot windows xp and Ubuntu 10.04 so i was wondering if it is necessary to install an anti-virus software?
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Dec 7, 2010
I have Avast Antivirus installed in Ubuntu 10.10. There are options to select folders to scan from 1. Home Directory 2. Entire system and 3. Selected folders. What are the options available to scan only selected drive. OR How to scan only USB stick.
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Jan 15, 2011
Not sure if this is in the right place, but last night I fell victim to a Java exploit in my W7 partition and then had to clean up a very messy virus. It was the "system tool" virus for those of you who are curious. Upon infection I immediately disabled my internet connection and then moved to my Ubuntu partition and from there cleaned up the infection. However, I did not notice it for a little while so it might have had some time to do some damage so I am a little concerned that something might have been hurt.
Since then I have scanned with Microsoft Security Essentials, ClamAV, AVG bootable USB, and MBAM and found one Trojan, which was successfully cleaned up (that Trojan was in my Java temporary files). Does anybody have any suggestions about other measures I can take to ensure that my computer is safe for use?
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