Win32/Randex is a family of worms that targets PCs running Microsoft Windows 9x, Windows NT 4.0, Windows 2000, Windows Server 2003, and Windows XP. T
he worm scans randomly-generated IP addresses to attempt to spread to network shares with weak passwords. After the worm infects a PC, it connects to an IRC server to receive commands from the attacker. If your PC is infected by this worm, you might notice crashes or slowdowns during normal operation.