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complete and sophisticated programs,
because they are not limited to the detection of
computing viruses,
but they are also able of blocking infections by themselves,
without taking into account whether the infection is from a web
site or an external device, and they can also detect any type of
harmful software, such as malware,
spyware, etc.
The modus operand of each antivirus
software is different, even when their regular behavior is
based on having a list of the known
viruses
and the way of recognizing them, contrasting the list with the
stored or transferred files from and into the computer. Their
main functions are the vaccination: an installed programs that
resides in the memory, it acts as a “filter”. for all the
programs that are been used, opened to be read or copied, in
real time. |
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Detector: Is the program that examines all
the existent files in the hard drive
or the ones indicated in a certain route or PaTH. It has control
instructions and precise recognition of the viral codes which
allows it to capture its mates that are properly registered and
then, their structure is dismantled extremely fast.
Eliminator: Is the program that acts once the virus’
structure has been dismantled, that is when it proceeds to
eliminate it, and immediately after, it repairs or rebuilds the
files and affected areas. |
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Many people ask, if the
antivirus software
has a list of the harmful codes and uses it
to search for the viruses, then how come the
antivirus does not detect itself as a
harmful code?; this is because the data it
uses to analyze has an exception that keeps
the anti – virus from detecting itself. |
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Nowadays, there are many antivirus software
that use different techniques to search for the viruses, the
most employed one is the one that uses the heuristic mode, this
term involves functionalities such as detection through generic
firms, compiled code recognition, disassemble and the removal of
packages, among others.
another technique employed by antivirus software, is to detect the HIPS mode, this method
basically consists on prevention against external intrusions,
meaning the blockage of entrances that want to sneak into our
nets without an invitation.
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among the most recommended anti – virus software, we find the
following: Kaspersky, a really complete anti – virus software,
it has active checking and prevention. It has tools for
spyware detection and
it cleans up the registers. It performs an extremely complete
scanning, this is why it can be a little bit slow. To download
the free trial you can go directly into their website (http://www.kaspersky.com/anti-virus_trial);
another very good one is the active Virus Shield, this powerful
anti – virus software turns out to be really complete, because
it owns: active analysis of the files in real time, e – mail
scanning, automatic updates, etc. To download it, just go to the
following website: (http://www.activevirusshield.com/antivirus/freeav/index.adp?).
another recommended antivirus software is NOD 32, which
besides completely scanning your system, has damaged files
recovery (http://www.nod32-es.com/home/home.htm). |
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Free antivirus download
Norton antiVirus Free Download
Web:http://www.symantec.com/
O.S.: Windows
Category: antivirus
free download
License:Demo
aVG anti-Virus System Free Download
Web:http://free.grisoft.com
O.S.: Windows
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ESET NOD32 antivirus Free Download
Web:http://www.eset.com
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avira antiVir PersonalEdition Free Download
Web:http://www.free-av.com/
O.S.: Windows
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License:Free
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Web:http://www.kaspersky.com
O.S.: Windows
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License:Demo
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O.S.: Windows
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License:Demo
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O.S.: Windows
Category: antivirus
free download
License:Free
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License:Free
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Category: antivirus
free download
License:Free
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Web:http://global.jiangmin.com/
O.S.: Windows
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free download
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O.S.: Windows
Category: antivirus
free download
License:Demo
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Web:http://www.bitdefender.com
O.S.: Windows
Category: antivirus
free download
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Web:http://www.bitdefender.com
O.S.: Windows
Category: antivirus
free download
License:Demo
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