Win32.BlackAngel is a backdoor Trojan program.  It is a spyware program with numerous aliases and the ability to enter your system through secret and stealth means.  This pest is often distributed via e-mail and can be installed inadvertently through a malicious e-mail attachment.  Once opened, you have been infected.  When inside your system, Win32.BlackAngel will allow a hacker to enter and take over your PC.  It is important to remove this pest as soon as possible.

To restore your system to its prior state, you can trust in SpyZooka.  SpyZooka is an excellent spyware remover that promises to get rid of not only Win32.BlackAngel but any spyware you might have on your computer.