It's not Israel, but a company based in this country acquired the once-popular instant messaging service ICQ in 2010 and runs the games portal My.com.  
WikiZnanie was once a credible Wikipedia rival in this country.  A company from this country once used an iframe to launch a DDoS attack against antigate.com but antigate soon started routing the traffic to the porn site xHamster.  The founder of its largest homegrown social network resigned in a 2014 letter he later claimed was an April Fool's Day prank.  It's not Israel, but a company based in this country acquired the once-popular instant messaging service ICQ in 2010 and runs the games portal My.com.  The social networking site (*) VK is based in this country, as is the Google rival, Yandex.  With an American-born collaborator, a man born in this modern-day country developed BackRub, the first product to use the PageRank algorithm.  Many dash cams in this country captured a February, 2013 meteor strike.  For 10 points, name this country home to mail.ru.
WikiZnanie was once a credible Wikipedia rival in this country.  
Russia [do not accept the Soviet Union, none of those clues apply to it; the BackRub clue is about Sergey Brin] 