rty0_7z.exe is a core process of the malicious application, the virus that is very dangerous and active today. If you see the file with this name on your PC please stay away from executing (running) it. Once you do it the PC will be serious infected. According to the information available to us, this process takes direct part in infecting PC with ransomware type of infection. Ransomware is a serious threat today that infects many computers all over the world. In order to terminate the malicious process of this virus (ransomware) you will most probably need to restart your computer into safe mode with networking and then try to download legitimate security software. We recommend you to try GridinSoft Trojan Killer for this purpose. Also, consider another guide if you have troubles unlocking your PC from ransomware infection. Here is the guide you might also find beneficial – http://trojan-killer.net/pc-infected-ransomware-virus/