Updating Scan Engine and Pattern Files Parent topic

To ensure that your network is constantly protected against the latest malware, ensure that you update IMSVA components such as the scan engine and virus pattern files on a regular basis. You can choose to perform a manual or scheduled update of the components.
The following table provides a list of all IMSVA update components.

IMSVA Update Components  

Component
Description
Scan engine
The scan engine detects Internet worms, mass-mailers, Trojans, phishing sites, spyware, network exploits and viruses in messages and attachments.
Advanced Threat Scan Engine
The Advanced Threat Scan Engine (ATSE) uses a combination of pattern-based scanning and heuristic scanning to detect document exploits and other threats used in targeted attacks.
Virus pattern
The virus pattern contains information that helps IMSVA identify the latest viruses/malware and mixed attacks.
Spyware/grayware pattern file
The spyware/grayware pattern file identifies spyware/grayware in messages and attachments.
IntelliTrap pattern
IntelliTrap exceptions
The IntelliTrap pattern detects real-time compression files packed as executable files.
The IntelliTrap exceptions pattern contains a list of "approved" compression files.
Antispam engine
The antispam engine detects spam in messages and attachments.
Spam pattern
The spam pattern helps IMSVA identify the latest spam in messages and attachments.
URL filtering engine
The URL filtering engine facilitates communication between IMSVA and the Trend Micro URL Filtering Service. The URL Filtering Service is a system that rates URLs and provides rating information to IMSVA.