How to Properly Scan Your Computer for Malware ? - PowerPoint PPT Presentation

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How to Properly Scan Your Computer for Malware ?

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Title: How to Properly Scan Your Computer for Malware ?


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How to properly scan your computer for malware ?
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Malware -
A Malware is a moniker for software that has
been created with malicious intent. The three
most common types of malware are viruses, worms,
and trojan horses. These terms are often used
interchangeably, but they are actually very
different. Each is a type of malicious software,
but they differ in how they infect and affect
computers. Malware
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Malware -
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Phishing -
While not actually malware, phishing has recently
become a real security concern. Users are
directed to a seemingly trustworthy website and
defrauded into giving up personal information,
such as credit card details, passwords, etc.
Anti-phishing measures have been implemented in
the current version of most browsers including
Internet Explorer 7, Firefox 2, Netscape 9, and
Safari 3. The anti-phishing measures generally
involve checking URLs against a list of known
phishing websites.
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Phishing -
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How can I prevent my system from being infected?
The two most important things you can do to
ensure your system is secure keep Windows
Updates up-to-date and run a trusted antivirus
program. Running Windows Updates will give you
the latest security patches and prevent system
vulnerabilities from being exploited. An
antivirus program is the most reliable method of
detecting and eliminating malware. Keep in mind
that an antivirus program is only as good as its
latest update, so the key to maximizing security
is to allow it to automatically update and
auto-protect.
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How can I prevent my system from being infected?
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Malware detection techniques -
  • There are techniques used in detecting malware
    activities in the system .
  • a. Static analysis detection technique - it is
    the procedure of analyzing software without
    executing it. During static analysis the
    application is break down by using reverse
    engineering tools and techniques, so as to
    re-build the source code and algorithm that the
    application has created. Static analysis can be
    done through program analyzer, debugger and
    disassembler.

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Malware detection techniques -
b. Dynamic analysis detection technique - The
process of analyzing the behavior or the actions
performed by the application while it is
executing is called dynamic analysis. Dynamic
analysis can be done through monitoring function
calls, tracking the information flow, analyzing
function parameters and tracing the instructions.
Generally a virtual machine or sandbox is used
for this analysis the doubted application is
usually run into a virtual environment. If the
application behaves unusually it is categorized
as malicious.
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Malware detection techniques -
c. Hybrid analysis detection technique - This
technique is the combination of both static
analysis and dynamic analysis. The procedure it
follows it that it first checks for any malware
signature if present in the code under inspection
and then it monitors the behavior of the code.
Hence this technique combines the advantages of
both the above techniques.
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Malware detection techniques -
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