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win7holic

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see it, why avast between today and yesterday, reduces number of definitions??
i just curious about it
 

Ramblin

New Member
Avast and other antiviruses reduce the number of definitions when
viruses are old and not doing harm. In other words, if a virus is not
infecting people anymore, Why have a definition?

Don't let yourself be impress by companies that show huge numbers
of definitions, large numbers are there only to impress the user.

Bo
 

jamescv7

Level 61
Verified
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That's correct bo.elam.

Probably they will add the most and latest zero day malware as possible and remove others definition since it can be broken or not working anymore.

The better the AV when the definitions are latest zero day malware.
 
G

Guest28

Do not be alarmed about this at all. Others vendors do the same thing it's just not shown. It has been heavily mentioned on the forums and on the blog that avast cleans it's data base once and a great while. [hr]
Here is an explanation of what happens. https://blog.avast.com/2010/09/06/spring-cleaning-in-our-virus-database/
 

new user

New Member
This is optimizing their database.More definitions mean longer scan times. So why have a definition of a virus from 10 years ago? 1 definition can indentify even thousands of viruses.
 

win7holic

New Member
ok thx all for great answer
i never know about it, even i'm a tester :p
i just confused when see it, i never check it before
 

win7holic

New Member
jamescv7 said:
With that case it will not dramatically dropped on its detection rates.
yep, now i'm understand about it :)

@all answered on this thread: thx :D
really appreciate it
 
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