updater.dll has 33 known versions, the most recent one is 7.0.302.0 . The average file size is about 239 KB. It is an authenticode code-signed executable issued to ESET by the certification authority VeriSign. Numerous variations of updater.dll have been installed with both ESET NOD32 Antivirus and ESET Smart Security.
ESET Smart Security Update Engine is the software updater program which runs in the background of Windows and automatically starts up when your PC boots. It checks for software udpates and automatically downloads and installs them if found. ESET's use of assembly language in its products contributes to their low system requirements and disk space utilization. ESET calls its scanning engine ThreatSense, and makes extensive use of generic signatures and heuristics.
United States installs about 12.84% of ESET Smart Security.