Virtual Machines/Virus Software

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  1. Layback Bear's Avatar
    Posts : 983
    Windows 7/64 Professional
       #11

    I'm not a VM user but I do have a question.

    After installing your operating system on a VM can't one just also install a anti virus program on the VM to protect it?
    It should probable be the same anti virus program that is used on the host system.
    MSE/MSE
    Avast/Avast
    ect.

    Now you would have your host computer protected and your VM operating system protected.

    If this is a dumb question slap the snot out of me.
      My Computers

  2. whs's Avatar
    whs
    Posts : 1,935
    Windows 7
       #12

    That's why I said this - an "external source" can be of course also a USB stick.

    anything from the internet or another external source that is being transferred from the virtual partition to the host can be infected
      My Computer

  3. Layback Bear's Avatar
    Posts : 983
    Windows 7/64 Professional
       #13

    I agree and understand what you are posting WHS
    I was just wondering if a AV program installed on the host and one on the VM is workable.
    Can it be done and would it be helpful?
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  4. whs's Avatar
    whs
    Posts : 1,935
    Windows 7
       #14

    Sure, an AV program on both the host and the guest is useful and workable. they are 2 independent systems. If the VM guest is a Windows system, it is highly recommended to install an AV program. If it is a Linux system, I would say it's optional.

    I run all my Linux guests without an AV program. But whenever I transfer data from the Linux guest to the Windows host, I first scan that data with malware scanners - usually Virus Total.

    On nice thing about a VMware Player guest system is that it is really only a folder on the host system. That folder is easy to copy as a backup - no need for images. Dumping a possible infected system and recovering with the backup is a matter of a few clicks.
      My Computer

  5. lehnerus2000's Avatar
    Posts : 1,809
    W7 Ultimate SP1 (64 bit), LM 19.2 MATE (64 bit), W10 Home 1703 (64 bit), W10 Pro 1703 (64 bit) VM
       #15

    whs said:
    That's why I said this - an "external source" can be of course also a USB stick.

    anything from the internet or another external source that is being transferred from the virtual partition to the host can be infected
    I was simply reinforcing your statement. :)

    whs said:
    Sure, an AV program on both the host and the guest is useful and workable. they are 2 independent systems. If the VM guest is a Windows system, it is highly recommended to install an AV program. If it is a Linux system, I would say it's optional.
    I actually run a different AV program on my VMs, than I do on my Real OS.

    whs said:
    On nice thing about a VMware Player guest system is that it is really only a folder on the host system. That folder is easy to copy as a backup - no need for images. Dumping a possible infected system and recovering with the backup is a matter of a few clicks.
    If your new clean VM is small enough, you can burn the copy to a write-once optical disc.
      My Computer

  6. whs's Avatar
    whs
    Posts : 1,935
    Windows 7
       #16

    I was simply reinforcing your statement. :)
    Thank you. Very useful.

    I actually run a different AV program on my VMs, than I do on my Real OS.
    Since they are 2 completely different systems, that is no problem.

    If your new clean VM is small enough, you can burn the copy to a write-once optical disc.
    I guess you can do that, especially if you have Blue Ray. But I would recommend an external disk or a large USB flash drive.
      My Computer

  7. Layback Bear's Avatar
    Posts : 983
    Windows 7/64 Professional
       #17

    Thank you whs. Now I understand that one can have a VM with it's own security programs and they can be different programs from the host programs.

    So if I'm understanding correctly a VM can have any level of security one chooses to install. That is good.
    I do understand that one still must be careful of what they do and how because anything can get infected if the user doesn't use good practices.
      My Computers

  8. Layback Bear's Avatar
    Posts : 983
    Windows 7/64 Professional
       #18

    I have been thinking. Don't run off it's not that bad.

    If a computer person does their normal proper security practices of making sure the Host and VM are clean of infection their should be no problem transferring things back and forth.

    If the person sitting in that nice chair behind the keyboard doesn't do their job it doesn't much matter if its a VM or any other kind of network/domain, Home Group, Work Group. If that chair sitter doesn't do their due diligent and kept up with proper security practices moving infected files around is always going to be a problem no matter what the set up is. I'm thinking a VM can be as secure as any other set up if it done properly.

    Can we get a
    Hell Yes and agree on that.
      My Computers

  9. whs's Avatar
    whs
    Posts : 1,935
    Windows 7
       #19

    the Host and VM are clean of infection their should be no problem transferring things back and forth.
    The problem is that you are not always aware of an infection - especially coming with stuff you downloaded from the web. A proper scanning of downloaded files is always recommended.
      My Computer

  10. lehnerus2000's Avatar
    Posts : 1,809
    W7 Ultimate SP1 (64 bit), LM 19.2 MATE (64 bit), W10 Home 1703 (64 bit), W10 Pro 1703 (64 bit) VM
       #20

    whs said:
    I actually run a different AV program on my VMs, than I do on my Real OS.
    Since they are 2 completely different systems, that is no problem.
    I knew that they wouldn't clash. :)

    I'm hoping that using two different AV engines/programs provides extra protection.
    Downloads can be scanned by the VM and then by my Real PC.

    whs said:
    If your new clean VM is small enough, you can burn the copy to a write-once optical disc.
    I guess you can do that, especially if you have Blue Ray. But I would recommend an external disk or a large USB flash drive.
    I read an article recently that suggested some new malware has been created and it can find VM files on your PC and damage/infect them (I'm not sure how).

    If your Master Copy is on "Read-Only" storage it should be safe. :)
      My Computer


 
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