[SOLVED] windows security on VM

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[SOLVED] windows security on VM

Postby monere on Thu Jan 24, 2013 10:33 am

hi,

can someone tell me whether installed on a virtual machine (like virtualbox for example) Windows is prone to viruses as much as a normal Windows installation? Or is there no such threat for a Windows OS installed this way. If it isn't, what's the explanation for this?
Last edited by monere on Mon Jan 28, 2013 3:41 am, edited 1 time in total.
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Re: windows security on VM

Postby Zalbor on Thu Jan 24, 2013 10:46 am

It's just as possible to get malware as in a regular installation. It simply can't affect your linux host.
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Re: windows security on VM

Postby powerhouse on Thu Jan 31, 2013 9:03 pm

Zalbor wrote:It's just as possible to get malware as in a regular installation. It simply can't affect your linux host.


Absolutely true, BUT - installed as VM, you can easily backup your freshly installed "golden" Windows OS image and when things go bad (virus, etc.) restore that image.

Many virtualization solutions offer snapshots that make it easy to backup or freeze a system image at any time. If disk space is an issue, you may compress these backup images.

Bottom line: It's faster and easier to restore a VM. And if your hardware crashes or you want to migrate to a new PC, you can quite easily take your VM to that new hardware (without the need for a new Windows installation).
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Re: windows security on VM

Postby monere on Fri Feb 01, 2013 7:41 am

powerhouse wrote:
Zalbor wrote:It's just as possible to get malware as in a regular installation. It simply can't affect your linux host.


Absolutely true, BUT - installed as VM, you can easily backup your freshly installed "golden" Windows OS image and when things go bad (virus, etc.) restore that image.

Many virtualization solutions offer snapshots that make it easy to backup or freeze a system image at any time. If disk space is an issue, you may compress these backup images.

Bottom line: It's faster and easier to restore a VM. And if your hardware crashes or you want to migrate to a new PC, you can quite easily take your VM to that new hardware (without the need for a new Windows installation).


Sounds cool!

thanks for the tip :)
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Re: [SOLVED] windows security on VM

Postby perduta on Sat Feb 02, 2013 5:43 pm

monere wrote:hi,

can someone tell me whether installed on a virtual machine (like virtualbox for example) Windows is prone to viruses as much as a normal Windows installation? Or is there no such threat for a Windows OS installed this way. If it isn't, what's the explanation for this?


After researching active virus sites last year my conclusion is that you are virtually immune to modern malware when running in a virtual box. All the so called "Fully Undetectable" (FUD) trojans and viruses that I found out there detected that they are running in a virtual box and obligingly deleted themselves. The ones that didn't were not FUD and easily removed with Microsoft's Security essentials.

However, be very wary of sharing files with the host machine because once you leave the virtual environment said viruses are less obliging ;)

p.s. another thing to do is remove all forms of Java if you don't need it: Most infections got in via Java security deficiencies and drive-by.
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Re: [SOLVED] windows security on VM

Postby monere on Sat Feb 02, 2013 6:43 pm

perduta wrote:
monere wrote:hi,

can someone tell me whether installed on a virtual machine (like virtualbox for example) Windows is prone to viruses as much as a normal Windows installation? Or is there no such threat for a Windows OS installed this way. If it isn't, what's the explanation for this?


After researching active virus sites last year my conclusion is that you are virtually immune to modern malware when running in a virtual box. All the so called "Fully Undetectable" (FUD) trojans and viruses that I found out there detected that they are running in a virtual box and obligingly deleted themselves. The ones that didn't were not FUD and easily removed with Microsoft's Security essentials.

However, be very wary of sharing files with the host machine because once you leave the virtual environment said viruses are less obliging ;)

p.s. another thing to do is remove all forms of Java if you don't need it: Most infections got in via Java security deficiencies and drive-by.


Well, I don't think I will ever remove java since it's needed by so many things. I will keep these tips in mind though.

Thanks :)
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Re: [SOLVED] windows security on VM

Postby zerozero on Sat Feb 02, 2013 7:01 pm

monere wrote:I don't think I will ever remove java since it's needed by so many things.
you will surprised how useless java is really (unless you have a specific site that relies on it)
java is not javascript
just do a small test: go to the plugins page of the browser you're using and disable java, now use your browser as usual for some time: did you miss it? did the lack of the java plugin broke your internet experience?
Image

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Re: [SOLVED] windows security on VM

Postby monere on Sat Feb 02, 2013 7:47 pm

zerozero wrote:
monere wrote:I don't think I will ever remove java since it's needed by so many things.
you will surprised how useless java is really (unless you have a specific site that relies on it)
java is not javascript
just do a small test: go to the plugins page of the browser you're using and disable java, now use your browser as usual for some time: did you miss it? did the lack of the java plugin broke your internet experience?


uhm, I'm assuming you're talking about disabling java in Linux. Cause right now I am in Windows watching some online football and it needs Java to run (or is it flash player??)

Well, never mind! I will do the test anyway, you just got me curious :)
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Re: [SOLVED] windows security on VM

Postby DataMan on Sun Feb 03, 2013 7:21 am

No,

He's talkikng about disabling Java in your browser (applies equally in Windows as well as Linux).

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Re: [SOLVED] windows security on VM

Postby monere on Sun Feb 03, 2013 10:25 am

DataMan wrote:No,

He's talkikng about disabling Java in your browser (applies equally in Windows as well as Linux).

-DataMan


I found an ¨enable javascript¨ setting in firefox preferences under Content tab. Is that what youŕe referring to or??
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Re: [SOLVED] windows security on VM

Postby zerozero on Sun Feb 03, 2013 10:38 am

monere,
this one here
FF > addons > plugins (the last one in my list: is greyed out)
Image
java is not javascript
Image

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Re: [SOLVED] windows security on VM

Postby monere on Sun Feb 03, 2013 11:28 am

zerozero wrote:monere,
this one here
FF > addons > plugins (the last one in my list: is greyed out)
Image
java is not javascript


Oh, I was wrong then :)

Anyway, I looked at my plugins section of firefox add-ons and I have no java in there. I only have Shockwave Flash 11.5...., VLC Web Plugin 2.0.0, and Windows Presentation Foundation 3.5.30...

EDIT: forgot to mention that this is in Windows Vista, if it matters. I didn't look yet in Linux' FF
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