Hi Tech
In a nutshell, they were accused of paying bribes and creating viruses to be “detected” by Rising AV. Many reports are no longer current but here are a few links that still work.
http://www.marbridgeconsulting.com/marbridgedaily/archive/article/38515/rising_implicated_in_beijing_psb_corruption_case?sk=0ff7c73301382906f9eb22321cc07862&p=2&high=on
http://www.marbridgeconsulting.com/marbridgedaily/2009-02-20/article/23886/rising_denies_allegations_it_framed_competitor
http://chinadigitaltimes.net/china/yu-bing/