picachu.exe is part of a product called known as D4S and the developer is CHEN PROGRAM STUDY .
If you think that this file contains a virus or another malware, please download a virus scanner.
If picachu.exe is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Installing an antivirus is recommended.
Not all processes can be uninstalled without the help of a 3rd party tool, especially malware. To see if it can be uninstalled, first go to Start > Control Panel > Add/Remove programs and select D4S from the list to remove the process picachu.exe from your computer.
If you have any problems with picachu.exe, you may try using a registry cleaner or a speed-up software to check, analyze, and fix problems that are affecting the performance of your computer.
You may try contacting CHEN PROGRAM STUDY, the developer of picachu.exe and ask for more information.