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Can I rely on my AV by setting only the "File Execution" option?


Rnan
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I'm using Eset NOD32 AV program ( version 9 , but it doesn't really matter).

In the "Scan" section I have these options :

m3gqT.jpg

My personal goal is to

  • Still have protection
  • Maximize performance ( without hurting protection)

IMO this can be done , I might be wrong and hence I ask :

Question

Can I set only the "File Execution" option so that only when file is executing , scanning will occur ?

I mean :

  • File open : If I disable this , so file will be read by the "File Execution" phase. so why read it when opening while I can read it when executing ?

  • File Creation : If I disable this , fine so a virus can be in that file and if I send that file to a friend , he will be infected , but let's leave this for now. I'm talking about my PC only. If a virus is in that file , so it will be found when executing.

Considering the above , Is it OK to leave only the "File execution" flag on?

NB

It all boils down to the "file Execution" meaning. 
clicking on txt file , Or an EXE program loading an infected dll , is it "executed" ? I don't think so. The loader read its extension and execute the NOTEPAD process. or is txt file actually executed ?

A clarification is needed here.

Additional Info , I don't know if it help but clicking the "info" :

QZhrx.jpg

 

 

Asked also here:

hxxp://superuser.com/questions/1114031/can-i-rely-on-my-av-by-setting-only-the-file-exeuction-option

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Do not disable any of the "Scan on" events. For instance, leaving only "On file execution" enabled, scripts would not be scanned as they are never executed but only opened for reading and then interpreted. The same holds true for dlls or sys files - they are not executed but loaded by the operating system or other applications.

Are you having some performance issues with other options enabled?

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Are you having some performance issues with other options enabled?

 No i'm not :-)

 

I just want to maximize performance and still keep security.

 

BTW - So according to your saying - I can disable the "File Creation" right? ( Assuming im not sending this file to anyone)

Edited by Rnan
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Are you having some performance issues with other options enabled?

 

BTW - So according to your saying - I can disable the "File Creation" right? ( Assuming im not sending this file to anyone)

 

No. You should leave all options set to defaults for maximum protection, especially if you are not having any performance issues.

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