In some cases, the exploit is re-packed for each different user meaning each victim is hit with a unique malicious file. Malicious files created for this platform can be hidden by re-packing malicious files or embedding “trash” instructions into them. Last year, the number of Adobe Flash Player exploits significantly increased. The new technology is included in Kaspersky Internet Security and Kaspersky Total Security products, allowing the security solutions to uncover malicious files trying to hide themselves with different re-packing methods. The patent is titled, “System and Method for Detecting Harmful Files Executable on a Virtual Stack Machine.” The Calculate MD5 for files in this category (supported by versions earlier than Kaspersky Endpoint Security 10 Service Pack 2 for Windows) is cleared by default.Woburn, MA – Aug– Kaspersky Lab has patented a new technology to reveal malicious files that can be hidden from the detection of security software products. The Calculate SHA-256 for files in this category (supported by Kaspersky Endpoint Security 10 Service Pack 2 for Windows and any later versions) check box is selected by default. If different devices on your network use both earlier and later versions of Kaspersky Endpoint Security 10, select both the Calculate SHA-256 for files in this category check box and the Calculate MD5 for files in this category check box. In this case, you can use the SHA-256 cryptographic hash function for files of the category. You cannot add a category that was created based on the criterion of the MD5 hash sum of an executable file for Kaspersky Endpoint Security 10 Service Pack 2 for Windows or later versions. If any versions earlier than Kaspersky Endpoint Security 10 Service Pack 2 for Windows are installed on your network, select the Calculate MD5 for files in this category (supported by versions earlier than Kaspersky Endpoint Security 10 Service Pack 2 for Windows).In this case, you can use the MD5 cryptographic hash function for files of the category. This may result in failures in the security application operation. We do not recommend that you add any categories created according to the criterion of the SHA-256 hash of an executable file for versions earlier than Kaspersky Endpoint Security 10 Service Pack 2 for Windows. If all instances of security applications installed on your network are Kaspersky Endpoint Security 10 Service Pack 2 for Windows or later versions, select the Calculate SHA-256 for files in this category (supported by Kaspersky Endpoint Security 10 Service Pack 2 for Windows and any later versions) check box.Select either of the options of hash value computing by Kaspersky Security Center for files in the category: Computing of the MD5 hash function is supported by all versions earlier than Kaspersky Endpoint Security 10 Service Pack 2 for Windows. Kaspersky Endpoint Security 10 Service Pack 2 for Windows and later versions support SHA-256 computing. ![]() SHA-256 is a cryptographic hash function: no vulnerabilities have been found in its algorithm, and so it is considered the most reliable cryptographic function nowadays. ![]() Storage of hash values does not increase the database size significantly. ![]() Information about computed hash values is stored in the Administration Server database. Depending on the version of the security application installed on devices on your network, you must select an algorithm for hash value computing by Kaspersky Security Center for files in this category.
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