How we prevent malware in browse field
Can you explore more about browse, what are you facing problems? Although if you are giving upload file facility to a normal user. You can assure following points.
There are six steps to protecting a website from file-upload attacks.
How we scanned by antivirus software before they are opened. using php program
I found a thread on stackoverflow http://stackoverflow.com/questions/10660260/what-are-my-options-to-check-for-viruses-on-a-php-upload
And also see this link how to implement it: https://www.howtoforge.com/scan_viruses_with_php_clamavlib_p2