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How to properly scan your computer for malware
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Introduction

• Desktop virtualization is a transformative
  platform technology that can deliver
  cost-effective, manageable network and desktop
  access to workers with diverse computing needs.
• Problems with Standard Antivirus Protection
• The VMware Solution to Antivirus Protection
• Vmware vshield endpoint architecture in brief
• Antivirus protection for the entire virtual
  desktop infrastructure

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Problems with standard antivirus protection -

• The typical top-down virus scanning model
  involves agents executing on every desktop
  performing antivirus scanning and signature file
  updates, with access to an auto-update server.
  During these operations, it is not uncommon for
  system resource usage to spike or become overly
  committed. Performance in the desktop environment
  is severely impacted by these antivirus storms.

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The vmware solution to antivirus protection -

• Vmware vshield endpoint is the solution to the
  problems inherent in antivirus scanning in a
  large-scale virtual desktop implementation. In a
  horizon view environment, vshield endpoint
  consolidates and offloads all antivirus
  operations into one centralized security virtual
  appliance (SVA). Vmware recommends the following
  partners who have integrated their antivirus
  solutions with vshield endpoint
• 1. Bitdefender 2. Kaspersky
  3. Mcafee
• 4. Sourcefire 5. Symantec
  6. Trend micro

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Vmware vshield endpoint architecture in brief -

• Vmware vshield endpoint is integrated with
  vsphere and protects virtual machines against
  viruses. Administrators can centrally manage
  vmware vshield endpoint through the included
  vshield manager console, which integrates with
  vmware vcenter server for unified security
  management in the virtual datacenter. Each
  virtual machine to be protected requires only a
  small-footprint vshield endpoint driver, which is
  part of the vmware tools installation for the
  virtual machine.

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Antivirus protection for the entire virtual
desktop infrastructure -

• The vshield endpoint solution from vmware
  partners provides complete protection for virtual
  machines running in a production horizon view
  environment. For storage and other servers
  connected to the virtual desktop infrastructure,
  vmware recommends a complementary solution from a
  vmware antivirus software partner. The following
  sections provide best practices for managing
  antivirus protection for these three
  componentsthe virtual machines, the security
  server, and storage.
• In a horizon view environment, you have three
  focal points for antivirus protection -
• 1. virtual machines 2. view security server
  3. storage

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Articles for virus countermeasures -

• 1. Vaccine software - Those who are using
  antivirus software must perform scan using the
  latest virus-scanning engine and virus definition
  files. Day by day, new viruses are detected one
  after another even though some of them may look
  exactly the same as existing viruses, they are in
  fact subspaces of a specific virus. So the
  antivirus software should be kept updated so it
  can properly deal with such new viruses.

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Articles for virus countermeasures -

• 2. Email attachment files - Computer viruses
  are often contained in email attachments. Even if
  the email is from your close friend, scan the
  attached files for viruses before opening them.
  The number of incidents caused by emails
  containing forged sender information is
  increasing. In order to protect your computer
  from such emails, you must also be careful with
  emails from unknown sources and forged service
  providers.

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2. Email attachment files -
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2. Email attachment files -
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Articles for virus countermeasures -

• 3. Downloaded files - various files such as
  image files, music files and video files can be
  downloaded from the internet, but there is a
  possibility of a malicious program or instruction
  code being embedded in those files. To avoid
  this, be sure to scan downloaded files before
  using them.

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3. Downloaded files -
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Articles for virus countermeasures -

• 4. For applications - when using mailer
  software to send or receive emails, or a web
  browser to access web sites on the internet,
  utilize the security functions/ settings supplied
  with the application software.

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Articles for virus countermeasures -

• 5. Security patches - recent viruses exploit
  vulnerabilities in the operating systems and
  application software. If there is any
  vulnerability, your computer can be infected with
  viruses only by previewing emails or accessing
  the internet. For example, vulnerability in
  mailer software allowing the automatic execution
  of attachment files can be exploited by viruses,
  which can cause a broader damage. Such
  vulnerabilities are detected at short intervals,
  so it is important to periodically visit the
  vender's web site and check for any related
  information on the application

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Articles for virus countermeasures -

• 6 . Symptoms of virus infection - if you have
  encountered symptoms listed below, you computer
  may have been infected with computer viruses. Do
  not overlook them and scan your computer for
  viruses.

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6 . symptoms of virus infection -

• System or application software often gets hosed
  (freezes), or the system does not start.
• Files disappear. Unknown files exist.
• Strange icons appear on the task bar.
• Attempts are made to access the internet without
  any operation.
• Emails are sent without the users consent.
• Can intuitively sense that there is something
  wrong with the computer.

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Articles for virus countermeasures -

• 7. In case of emergency - data corrupted by
  viruses cannot be restored by using antivirus
  software. Make it a rule to back up data on a
  regular basis so you can restore the system from
  any damage caused by virus infection. In
  addition, keep in a safe place the original
  CD-ROMs of application software. Should the
  contents of the hard drive be damaged, you can
  restore them using the CD-ROMs.

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7. In case of emergency -
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Articles for virus countermeasures -

• 8. Should your computer be infected with a virus
  - scan your computer for viruses using the
  latest virus definition files. If you have been
  able to identify the name of the virus but do not
  know how to eliminate it, visit the web site of
  your antivirus software manufacture and look for
  information related to the virus, and then follow
  the instructions presented on the web page. If
  you have no antivirus software at hand but can
  access the internet, you can still use
  free-online scan services provided by some
  venders to identify the name of the virus. If
  identified, look for the information on the virus
  and follow the instructions presented on that web
  page.