Troj/Dloadr-LY is a downloader Trojan for the Windows platform.
W32/Tilebot-DL is a worm for the Windows platform.
W32/Tilebot-DL runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.
W32/Tilebot-DL spreads to other network computers by exploiting common buffer overflow vulnerabilities, including LSASS (MS04-011), RPC-DCOM (MS04-012) and ASN.1 (MS04-007) and copying itself to network shares protected by weak passwords.
W32/Tilebot-DL includes functionality to access the internet and communicate with a remote server via HTTP.