Questions relating to malicious software

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2
votes
2answers
228 views

Ubuntu 11.10 got virus or malware, how to delete entire disk and re install?

Had the Ubuntu sitting idle, came back to find it had linked and connected to malware sites, do not know how. Just want to delete/re install. want to stay with 11.10 the pc itself does not have a ...
1
vote
2answers
376 views

Nasty Ubuntu problem, possibly a virus

I'm not sure how much background to give. If it's too much or too little, I'll edit the post later. (Also, it seems that bug-report questions - possibly including this one - might not get answered ...
0
votes
2answers
39 views

ppa and System Security

I have been installing all my software from the Ubuntu Software Center. Recently, I had been installing software from PPAs. Can adding PPAs and installing software from them compromise the security of ...
0
votes
2answers
658 views

How to remove “Europol” malware that infected Firefox in 13.04

I have recently started using Ubuntu 13.04. The other day I found the Firefox browser blocked by malware. The website was from Europol and said that it had blocked the browser and that 'everything' ...
4
votes
1answer
119 views

LibreOffice Writer edited document is recognized as virus or spyware

I got MS word document, person asked me to edit it, to add table of contents, to add page numbers, because she doesn't know how to do in MS Office. So I did with LibreOffice writer. But when I saved ...
2
votes
1answer
87 views

What checks should be used when installling non-repository or offline software?

Case 1) Let's say some software isn't available in the repositories and you have to download it from a website and install it. Case 2) You have downloaded a DRM free paid software but can no longer ...
1
vote
1answer
30 views

Is WUBI vulnerable to GOZeus and Cryptolocker etc?

The GameoverZeus (P2PZeus) malware, and associated Cryptolocker, has been blocked temporarily, but may resume its potency. Windows is said to be vulnerable to it, but not Linux. So is Ubuntu under ...
1
vote
1answer
588 views

Chkrootkit findings - what to do?

after my ubuntu runs slower and slower and google regularly asks me for prooving to be human, i had Chkrootkit running. here's what it found: wlan0: PACKET SNIFFER (/sbin/wpa_supplicant [870], ...
1
vote
1answer
250 views

Browsing redirected and ad playing in background - Malware?

Recently i have noticed when browsing a web page will be redirected to something other than what i click on. For instance, when i tried going to www.askubuntu.com via a link on ubuntu.com it ...
0
votes
1answer
40 views

What should I do next with infected files and errors?

I scanned my computer for viruses by using clamav: sudo clamscan -r --bell -i /. I received the following result: LibClamAV Warning: cli_scanxz: decompress file size exceeds limits - only scanning ...
0
votes
1answer
49 views

Creating windows 8 bootable usb stick under linux with Winusb (saucy) changes my iso file hashes - is it normal, bug or harmfull behavior?

There is a lot of questions about creation of windows 8 usb stick in linux environment. And a lot of answers pointing to Winusb(saucy) as an app that can do it. I installed it too, using this method: ...
0
votes
1answer
125 views

root password request pop-up every 15 minutes

I don't know what application is asking for the root password for every 15 minutes. Is there any way that I can figure it out? I get a screen 'Authentication Required' 'Authentication is required to ...
0
votes
1answer
125 views

ClamAV virus detections documentation

I see ClamAV telling me the names of all the viruses that it has detected on my computer, but it seems to give me very little documentation on what those detections actually mean, and what the viruses ...
0
votes
1answer
156 views

Random Ad pop ups in Chrome

Whenever I'm browsing the web I get these random pop up ads. I really can't understand why, I have ad-block plus. Is it possible that I've been infected with malware or ad-ware? How can I put an end ...
0
votes
1answer
460 views

Can't remove redirect malware on firefox

I researched and found: mypageresults.com is tabbed as a redirect virus that always slips into computer without user's approval. I can't remove it.I deleted all files of firefox.I removed firefox ...
0
votes
1answer
135 views

New search tab page on Chromium defaults to "fvdsearch? Why?

The URL bar still uses Google by default for search, but if I click ona suggested link or anything like that, it opens a new tab with fvdsearch as the search provider? I don't understand why. Is it ...
0
votes
1answer
361 views

Antivirus: pros and cons of quarantine and deleting (ClamAV particularity). Clean option

What are the pros and cons of qurantine and deleting in an antivirus? Does ClamAV have some particularity on this point? Also, is there some antivirus or anti-malware which allows to clean the ...
0
votes
1answer
165 views

How isolated are Windows and Wubi-Ubuntu installations?

If I install Ubuntu via Wubi, I would like to still use Windows for many things, like playing some games not available on Ubuntu. While using Ubuntu, if I encountered an executable that would ...
0
votes
1answer
329 views

Facebook.com redirecting to SearchMagnified.com

Please need urgent help.I'm on Ubuntu 12.04 and using chromium browser latest build.When ever I go for facebook.com on my browser it redirecting me to SearchMagnified.com. This issue is found only in ...
0
votes
1answer
422 views

What is the label directory to scan hard drive for viruses?

I just downloaded avg antivirus for my pc with linux on it. I was wondering how to find the directory label for the hard drive. I found a page that said that "blkid" was for scanning usb devices. ...
-1
votes
1answer
55 views

severe malfunction: computer unusable(system program problem detected) 14.04, 32 bit

I boot up my computer and sign in and immediately the "system program problem detected" box pops up and i click send report, and then the computer shuts itself down. My son was on a online game site ...
-1
votes
1answer
57 views

can I get rid of virus, by re-imaging the 32 bits desktop with Ubuntu?

Wanted to use Ubuntu to recover data from corrupted external hard drive. So happened have to re-image a 32 bits Vista desktop to get rid of virus. How do I re-image the desktop with Ubuntu ? Do I ...
1
vote
0answers
38 views

Firefox keeps redirecting to filestore321.com

My questions was deleted even thought it wasn't answered fully. Firefox keeps redirecting to filestore321.com which is listed as attack site. Why is this happening and what can I do to stop it?
1
vote
0answers
73 views

Is my computer being hacked? Strange goings-on with menu.lst

I installed my Kubuntu 12.04 in Windows with Wubi. I've never installed any other version of Linux on my Netbook, definitely not Tiny Core Linux. Yet I have the following lines commented out in my ...
0
votes
0answers
32 views

Spyware in Ubuntu? (I've got some issues with Chrome lately)

I've got Ubuntu 14.04 LTS. All the updates are up to date. I've experienced something like a spyware lately, which I thought it couldn't (or shouldn't) happen with Linux. It happens when I'm using ...
0
votes
0answers
31 views

How to tell what a PUA.JS.Xored actually is

Almost every time that I scan my machine with ClamAV I get some results reporting that there is this PUA in my browser's cache: PUA.JS.Xored And I understand that this is encrypted JavaScript of ...
0
votes
0answers
58 views

Ubuntu 14.04 64 bit suddenly lost all data

I was just browsing and scrolling on the web on my Ubuntu laptop while Rhythmbox was on, then suddenly, my screen began blinking.. Icons enlarged while I turn the mouse wheel tho my hands are only on ...
0
votes
0answers
53 views

What is this folder named “PtzuZpSG8d” in my Home directory?

I am running Ubuntu 14.04 LTS. I have a folder named "PtzuZpSG8d" in my Home folder. Honestly, it has been sitting there for a few days. Today, when I tried to shift+delete it, it started preparing ...
0
votes
0answers
100 views

Help recovering from a hack and a malware warning

On Thursday (2014/7/24) morning I discovered that one of my Ubuntu systems was hacked. I believe it may have been the malware NetWire. I was able to see some traffic from the internet directed at ...
0
votes
0answers
464 views

Scanning Windows for Rootkits using Linux

I know of ClamAV for viruses, but is there an option for scanning AND getting rid of "rootkits" from Windows from inside Linux i.e. Live boot USB? Also spyware and malware scanning would be nice too. ...
0
votes
0answers
23 views

Clear Bling Vgrabber malware from Chromium

When asked to bring up my chrome bookmarks, I got the dreaded Vgrabber and Bling. On Windows 8.1 I would likely just run a system restore. I wiped my computer clean when I installed Ubuntu, so I ...