TuneUp raised $4.3m in September from IDG and venture capital firm KPG Ventures and has raised $8.5m in aggregate since 2007, including the latest $2m.

US-based TuneUp has extended its series C round by $2m to $6.3m after fuding by IDG Ventures, the corporate venturing unit of media company International Data Group.

TuneUp raised $4.3m in September from IDG and venture capital firm KPG Ventures and has raised $8.5m in aggregate since 2007.

Separately, IDG Capital Partners, the media group’s China-based corporate venturing unit, is raising two funds with its venture capital partner, Accel Partners. If Accel hits its targets for the two China…