Microsoft Malware Protection Center (MMPC) is now Windows Defender Security Intelligence (WDSI). Watch out for even more info about threats and protecting you and your Windows computer.
Alert level: Severe Detected with Windows Defender Antivirus
Also detected as: No associated aliases
Windows Defender detects and removes this threat.
This threat can give a malicious hacker backdoor access and control to your PC. They can then steal your passwords and gather information about your PC.
The Win32/Simda family description has more information about this family of threats.