This indicates detection of network traffic that may be generated by the W32/Pushdo virus.
W32/Pushdo is malicious program that acts as a trojan downloader. Its main purpose is to download a wide variety a malicious content and to disclose some system information to a remote controller.
Any unprotected Windows system
System Compromise: Remote attackers can gain control of vulnerable systems.
Use antivirus software to scan and clean computers that may be infected.