When RKill is run it will display a console screen similar to the one below: Please note that the other file names at the link above are RKill as well, but just renamed in order to allow it run by certain malware.
RKill can be downloaded from the following location:
Some great free tools that you can use to scan your computer after running RKill include MalwareBytes' Anti-Malware, SuperAntiSpyware, and Dr.Web CureIt. If there is a problem after running RKill, just reboot your computer and you will be back to where you started before running the program. Instead, after running RKill you should scan your computer using your malware removal tool of choice. If you do, these malware processes that are set to start automatically, will just start up again. Since RKill only terminates processes and does not remove the offending files, when it is finished you should not reboot your computer.
For a list of changes in Rkill, please see the change log at the bottom of this post. Each registry backup will contain a time stamp so that the backups are not overwritten on subsequent runs of Rkill.
When changing Windows Registry entries it will create a backup of these entries and save them in the rkill folder on your desktop. When scanning the Registry, Rkill will search for malicious Image File Execution Objects, DisallowRuns entries, executable hijacks, and policies that restrict your use of various Windows utilities. So in summary, RKill just kills 32-bit and 64-bit malware processes and scans the registry for entries that would not allow you to run various legitimate programs. Just kill known malware processes and clean up some Registry keys so that your security programs can do their job. It was created so that we could have an easy to use tool that kills known processes and remove Windows Registry entries that stop a user from using their normal security applications. RKill is a program developed at that was originally designed for the use in our virus removal guides. If you need help removing specific malware you can follow the steps here or ask in the Am I Infected? forum. This topic is not to be used as a support topic for removing malware. Even though false positives may occur, this should not be considered a problem as you can always launch the programs again or reboot your computer as no files are removed by running RKill. This topic was created to provide a very brief introduction as to what RKill does and to provide a way a way for people to report false positives of processes that are terminated.