The executable osdownloader.exe, “OSDownloader Setup ” has been detected as malware by 11 anti-virus scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. Infected by an entry-point obscuring polymorphic file infector which will create a peer-to-peer botnet and receives URLs of additional files to download. The file has been seen being downloaded from static.opensubtitles.org.