Trojan:JS/BlacoleRef.P is a malicious JavaScript that is used by an exploit kit known as "Blackhole". If the script is run within a vulnerable computer environment, it could lead to the download and execution of arbitrary files.

Trojan:JS/BlacoleRef.N is a malicious JavaScript that is used by an exploit kit known as "Blackhole". If the script is run within a vulnerable computer environment, it could lead to the download and execution of arbitrary files.

Trojan:JS/BlacoleRef.Q is a malicious JavaScript trojan that is used by an exploit kit known as "Blackhole". If the script is run within a vulnerable computer environment, it could lead to the download and execution of arbitrary files.

Trojan:JS/BlacoleRef.T is a malicious JavaScript that is used by an exploit kit known as "Blackhole". If the script is run within a vulnerable computer environment, it could lead to the download and execution of arbitrary files.

Trojan:JS/BlacoleRef.W is a member of the BlacoleRef family, a familiy of obfuscated JavaScripts, often found inserted into compromised websites. This threat is designed to load a hidden IFrame that loads behind the user's browser, redirecting it to an exploit server known as "Blackhole".