Montags and Clarisse's realtionship is weird. If she had not died I think they would have become a lot closer throughout the book. Clarisse seemed to bring out a different side of Montag. They way she would ask him questions and make things for him.
JKS stands for Java KeyStore. It is a repository of certificates (signed public keys) and [private] keys. You can export a certificate stored in a JKS file into a certificate file. You can use the keytool utility found in Java distributions to maintain your JKS trust and key repositories.
Trojan.Win32.Sharik.qjc is a Trojan that targets the Windows platform. This malware uses mapped memory sections to inject itself into legitimate processes and adds necessary Registry entries for maintaining persistence. Furthermore, this malware sends out information to a remote server.