SYSTEM AND METHOD FOR VIRUS-CHECKING DATA DOWNLOADED FROM NETWORK AT SERVER SIDE Russian patent published in 2012 - IPC G06F11/00 G06F12/16 

FIELD: information technology.

SUBSTANCE: parameters of downloaded data, as well as parameters which characterise the data server from which data are downloaded are determined, based on which the probability of the downloaded data containing a malicious code is determined. Development of the algorithm and depth of antivirus checking is selected depending on said probability. If the probability is high, then the data will be completely downloaded onto a proxy server and the data will be checked for viruses, while a web page is sent to a computer displaying the progress of downloading the data onto the proxy server and their subsequent antivirus checking. The data reach the computer only after antivirus checking. If the probability of the downloaded data containing a malicious code is low, then antivirus checking will be performed while downloading the data onto a proxy server and the checked data will be sent in batches to the computer until antivirus checking is complete.

EFFECT: optimising antivirus checking of data downloaded onto a proxy server by selecting an antivirus checking algorithm depending on the level of general probability of the downloaded data containing a malicious code.

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