|Backdoor.Ruledor.c is a part of the backdoor family of malicious programs intended for remote administration.
The victim computer can be remotely controlled and caused to execute some hacker's commands.
Backdoor.Ruledor.c can also download and install other programs unnoticed.
The program creates the directory ClearSearch in the Program Files folder and copies itself to this directory under the name loader.exe.
When the system is started, the program deletes all Browser Helper Objects (BHO) not installed by the program.
Remove it by antivirus (also check How To Remove section)Startup Optimizer.