ing ▁An Tu Tu ▁apps , ▁have ▁been ▁b anned ▁from ▁the ▁Google ▁Play ▁Store ▁due ▁to ▁dangerous ▁ad ware ▁and ▁mal ware ▁found ▁in ▁these ▁apps . ▁ ▁History ▁ ▁Form ation ▁ ▁The ▁company ▁was ▁established ▁in ▁ 2 0 1 0 ▁as ▁a ▁mer ger ▁of ▁King soft ▁Security ▁and ▁C one w ▁Image , ▁and ▁grew ▁to ▁be ▁the ▁second - larg est ▁internet ▁security ▁software ▁provider ▁in ▁China , ▁according ▁to ▁i Res earch . ▁ ▁The ▁company ▁is ▁located ▁at ▁ 1 st ▁Y ao ji ay uan ▁South ▁R d , ▁Ch ao y ang ▁District , ▁Be ij ing , ▁China . ▁ ▁Initial ▁public ▁offering ▁In ▁ 2 0 1 4 , ▁C heet ah ▁Mobile ▁launched ▁an ▁IP O ▁s elling ▁ 1 2 ▁million ▁American ▁De pos it ary ▁Sh ares ▁at ▁US $ 1 4 ▁per ▁share , ▁and ▁thereby ▁raised ▁US $ 1 6 8 ▁million . ▁The ▁IP O ▁was ▁managed ▁by ▁Morgan ▁Stanley , ▁J P ▁Morgan ▁Ch ase ▁& ▁Co ., ▁and ▁Cred it ▁Suisse ▁Group . ▁King soft ▁and ▁Ten cent ▁are ▁major ▁invest ors ▁in ▁C heet ah ▁Mobile , ▁holding ▁ 5 4 % ▁and ▁ 1 8 % ▁respectively . ▁ ▁Post ▁IP O ▁ ▁In ▁the ▁late ▁ 2 0 1 5 , ▁C heet ah ▁Mobile ▁announced ▁that ▁it ▁had ▁entered ▁into ▁a ▁global ▁strateg ic ▁partners hip ▁with ▁Y ahoo . ▁The ▁company ▁incorpor ated ▁Y ahoo ' s ▁search