Sulunch
From HandWiki
Win32/Sulunch is a group of Trojans that perform a number of common malware behaviors, its defined as dangerous and executes commands from an attacker. it is recommended to remove this software immediately.
Known Antivirus-software able to detect this threat
Microsoft security essentials: Alert level Severe and detected as Trojan:Win32/Sulunch
References
Microsoft Security Essentials and http://www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=Trojan%3aWin32%2fSulunch