Backdoor.CrashCool is a Trojan Horse that allows unauthorized access to the victim machine. By default it opens port 9898 for listening. The worm is written in the Microsoft Visual Basic programming language. Also Known As: Backdoor.CrashCool.a [KAV] Type: Trojan Horse Infection Length: 20,480 bytes, 32,768 bytes, 69,632 bytes Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP Systems Not Affected: DOS, Linux, Macintosh, OS/2, UNIX, Windows 3.x