absr.exe is created by the Backdoor.Autoupder Virus. This process acts like a trojan and make your system vulnerable. If you find this process on your system it is recommended that you remove it from your system and make sure you have the latest updates of your virus software.
Non-system processes like absr.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues