Kaspersky has released a beta of their version 2 KAV Mobile. The following features have changed since v1.7:

Optimized antivirus engine and higher performance;
The option to scan individual objects (files or folders);
Quarantine;
Support for unpacking sis files and scanning their contents;
Antispam for SMS/MMS;
Updates can be downloaded using the smartphone’s web browser;
Information on detected viruses can be provided using the smartphone’s web browser.

This is definitely a major improvement over the previous version. This beta is for OS 6.1, 7.0s Series 60 UI and one distribution for Symbian OS 8.0, 8.1 Series 60 UI.

KAV Mobile Beta