[Tomdarkness]

From a quick glance it would appear it tries to execute:

C:\Users\<username>\AppData\Roaming\AdobeUpdate-Setup1.84.exe

Just appears to be a rudimentary attempt at obfuscating the executable path.

The question is, how come the JVM is allowing Runtime.getRuntime().exec() to be called.

[ewoodrich]

According to an up thread commenter, it's digitally signed which allows a prompt to the user for elevated permissions.

[arethuza]

An evil wee signed applet.