Anybody know how antivirus programs implement access control to files?

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Antivirus programs such as Comodo Internet Security have extremely cool access control to files based on program access.
I'm particularly interested in how they interrupt access to files, provide a pop-up asking the user to confirm and then allow/deny access to files based on his reply.

Any ideas how this is done?

Posted 8-Feb-15 9:34am

thorssig

Updated 8-Feb-15 9:36am

v2

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Frankie-C · Accepted Answer · 2015-02-08T10:29:00

Solution 2

AV software make use many different systems, some of system hooks, rootkits (i.e. kaspersky) and AV API's form MS for office products.
If you want take a closer look check clamwin that is an open source AV under GNU license.
About hooking there are some excellent articles here like EasyHook.

Posted 8-Feb-15 10:29am

Frankie-C

Updated 8-Feb-15 10:34am

v2

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thorssig 10-Feb-15 8:58am

will do, thanks 8)