What is a.bat? Should I remove it?

a.bat is a batch file used by malicious parasites to launch other harmful components or run a destructive payload. It is similar to an executable file, but doesn’t run own processes. The a.bat file is an automatic script that simultaneously executes a lot of different commands. Such commands can delete files, damage the system, or perform other dangerous actions. DO NOT execute this file!
The a.bat file is installed and used by Kiman.
Please note that the a.bat file actually may be a fully legitimate part of the operating system or legitimate software. Often parasites use files with unsuspicious names, but malicious functionality. You should always carefully check the file before deleting it. It may not be related with malware, but can be required by your essential programs to work properly. a.bat is a batch file that contains a set of system commands, which can be used by a particular parasite to manipulate files, corrupt installed software, alter system configuration or launch other pest components. a.bat is actually a specific text file that acts in a similar way to a regular executable. However, it contains no malicious code, but only commands and therefore cannot run own processes.
The a.bat file is installed and used by Kiman.b.
In some cases a presence of a.bat does not mean that your system is infected. The file may actually belong to some fully legitimate applications and therefore must stay intact. If you are in doubt, please scan the a.bat file using you regular spyware remover or antivirus program.