[SCHEDULE 13G (Amendment No. 1)* QIHOO 360 TECHNOLOGY CO. LTD. (Name of Issuer) American Depositary Shares, each 2 representing 3 Class A Ordinary Shares, par value $0.001 per share (Title of Class of Securities) 74734M109 (CUSIP Number) January 10, 2012 ** (Date of Event which Requires Filing of this Statement) [ ] Rule 13d-1(b) [X] Rule 13d-1(c) [ ] Rule]