VIRUS WARNING:

Your antivirus may CLAIM to detect the "Psyme" trojan in this script.
The "Psyme" trojan according to McAfee:
... contains instructions to download a remote executable, save it 
to a specified location on the local disk, and then execute it ... by 
exploiting the ADODB.Stream object.
According to Symantec, psyme is a:
... Trojan horse that downloads and executes a file. It uses a known 
exploit of ADODB stream...

Unfortunately, the above descriptions are EXACTLY what this script does. 
It downloads the Symantec intelligent updater file by using the 
ADODB.Stream object, saves the updater file to your local disk, then 
executes it in order to update your antivirus. Any script that does these 
things kinds of is going to be detected as a trojan by your antivirus 
program! While I could rewrite the code to obscure what it does and 
fake out the antivirus programs, that would make it more difficult for 
you to read. 

If you read the code, you'll see that this script is NOT a trojan and 
only does what it's supposed to do: Update your antivirus. You'll just 
have to tell your antivirus program to trust this script.


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Downloading Notes: 

All three files contain the same code. Download the most convenient one.

VBS FILE
IE may try to run the VBS file instead of downloading it! You'll 
have to right-click and select "Save Link" or "Save Target" to save 
the file to your hard drive. 

TXT FILE
Be sure to save the downloaded file with a VBS file extension. If your 
Windows has the default behavior of hiding file extensions, you will 
have to quote the file name. For example, don't save it as test.vbs, 
but as "test.vbs". Using quotes forces Windows to honor your file 
extension.

ZIP FILE
No problems. The zip file may (or may not) contain other information 
or directions.