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TrojanDownloader:Java/OpenStream.F
Detected by Microsoft Defender Antivirus
Aliases: Exploit.Java.38 (Dr.Web) Java/TrojanDownloader.Agent.NAM (ESET) Exploit.Java.CVE-2009-3867.gen (Kaspersky) Exploit-CVE2009-3867 (McAfee) Troj/Clsldr-AE (Sophos)
Summary
TrojanDownloader:Java/OpenStream.F is a detection for malicious Java class components that attempt to download and execute arbitrary code. The trojan attempts to exploit vulnerabilities mitigated by Microsoft Security Bulletin MS03-011 and CVE-2009-3867.
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as Microsoft Security Essentials, or the Microsoft Safety Scanner. For more information about using antivirus software, see http://www.microsoft.com/security/antivirus/av.aspx.
Get the latest computer updates
This threat exploits a vulnerability mitigated by a Microsoft Security Update. Updates help protect your computer from viruses, worms, and other threats as they are discovered. It is important to install updates for all the software that is installed in your computer. These are usually available from vendor Web sites.
You can use the Automatic Updates feature in Windows to automatically download future Microsoft security updates while your computer is on and connected to the Internet.
Additional recovery instructions
This threat exploits a known vulnerability in Java software. After removing this threat, make sure that you install the updates available from the vendor. You can read more about this vulnerability from the following links:
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