arc.exe is a process that is registered in our malware database as albertino rat. albertino rat is a Remote Administration Tool. Software for controlling user computer remotely from other computer on local network or Internet. To determine whether this file is a real threat or not, please run a malware scan.
Recommendation
Deactivate and eliminate arc.exe immediately. This process is commonly identified as a spyware, virus or trojan.
To remove albertino rat Remote Administration Tool from your PC...