Malware
Redosdru
Redosdru is a malware family that primarily acts as a downloader.
Redosdru is a Windows malware family.
Background
Redosdru is a malware family whose main role is that of a downloader. When run, it can write the DLLs it retrieves into the "%ProgramFiles%\AppPatch" directory. To stay resident, it alters the Windows registry, inserting entries that cause it to launch automatically each time the system boots.
Source: Malpedia (Fraunhofer FKIE).