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4.1.1.1.3 Advanced scan options

More detailed setup options can be found under Computer > Antivirus and antispyware > Real-time system

protection > Advanced setup.

Additional ThreatSense parameters for newly created and modified files – The probability of infection in newly-

created or modified files is comparatively higher than in existing files. For this reason, the program checks these files

with additional scanning parameters. Along with common signature-based scanning methods, advanced heuristics are

used, which greatly improves detection rates because heuristics can detect new threats before the virus signature

database update is released. In addition to newly-created files, scanning is also performed on self-extracting files (.sfx)

and runtime packers (internally compressed executable files). By default, archives are scanned up to the 10th nesting

level and are checked regardless of their actual size. To modify archive scan settings, deselect the Default archive scan

settings option.

Additional ThreatSense parameters for executed files – By default, advanced heuristics are not used when files are

executed. However, in some cases you may want to enable this option (by checking the Advanced heuristics on file

execution option). Note that advanced heuristics may slow the execution of some programs due to increased system

requirements. While the Advanced heuristics on executing files from external devices option is enabled, if you wish

to exclude some removable media (USB) ports from being scanned by advanced heuristics on file execution, click

Exceptions... to open the removable media drive exclusions window. From here, you can customize the settings by

selecting or deselecting the checkboxes that represent each port.

4.1.1.1.4 Cleaning levels

The real-time protection has three cleaning levels (to access, click the Setup... button in the Real-time file system

protection section and then click the Cleaning branch).

No cleaning – Infected files will not be cleaned automatically. The program will display a warning window and allow the

user to choose an action. This level is designed for more advanced users who know which steps to take in the event of

an infiltration.

Standard cleaning – The program will attempt to automatically clean or delete an infected file based on a predefined

action (depending on the type of infiltration). Detection and deletion of an infected file is signaled by an information

message located in the bottom-right corner of the screen. If it is not possible to select the correct action automatically,

the program offers a selection of follow-up actions. The same happens when a predefined action cannot be completed.

Strict cleaning – The program will clean or delete all infected files. The only exceptions are the system files. If it is not

possible to clean them, the user is prompted to select an action by a warning window.

Warning: If an archive contains a file or files which are infected, there are two options for dealing with the archive. In

standard mode (Standard cleaning), the whole archive would be deleted if all the files it contains are infected files. In

Strict cleaning mode, the archive would be deleted if it contains at least one infected file, regardless of the status of the

other files in the archive.

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