Troj/Dloader-YP is a downloader Trojan.
Troj/Dloader-YP may be copied to the Windows system folder with a filename equivalent to the name of a system DLL found in that folder, where the DLL extension is replaced with an EXE extension.
W32/Rbot-RF is a network worm and IRC backdoor Trojan for the Windows platform.
W32/Rbot-RF spreads using a variety of techniques including exploiting weak passwords on computers and SQL servers, exploiting operating system vulnerabilities (including DCOM-RPC, LSASS, WebDAV and UPNP) and using backdoors opened by other worms or Trojans.
W32/Rbot-RF can be controlled by a remote attacker over IRC channels. The backdoor component of W32/Rbot-RF can be instructed by a remote user to perform the following functions:
start an FTP server
start a Proxy server
start a web server
take part in distributed denial of service (DDoS) attacks
capture screen/webcam images
download/execute arbitrary files
start a remote shell (RLOGIN)