Posted 11 May 2011 - 12:54 PM
Hello and welcome to the forum!
Rkill is a program developed by Grinler, the owner of this site.
It does not scan a system for viruses/malware but instead removes malicious programs from memory.
A rar file is basically a compressed file.
What makes you think that this specific file is infected?
In the beginning there was the command line.