This malicious VBScript file may be hosted on a Web site and run when a user accesses the said Web site.
It accesses Web sites to download TROJ_AGENT.AGZ. It then executes the downloaded file(s). As a result, malicious routines of the downloaded files are exhibited on the affected system.
It takes advantage of the vulnerability in
Microsoft Data Access Components (MDAC) that allows this script to download and execute malicious files.
More information of the said vulnerability can be found
here.
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