Win32.BladeRunner is a backdoor Trojan program.  Beware of this pest because it has many aliases.  This nuisance will enter your system either through a malicious e-mail or possibly through downloading it inadvertently through a peer-to-peer file-sharing program.  Once inside, it will open a port or backdoor which will make it easy for a hacker to slip in.  This new intruder will have its way with your computer.

You can take control back of your system by investing in a spyware remover that really works.  SpyZooka is a terrific choice in spyware remover.  It can clear all spyware in one scan guaranteed.