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Openstream.T


Aliases:


Openstream.T
Java/Openstream.T

Malware

W32

Summary

Openstream.T is Java applet based trojan downloader, that will download and execute a trojan that will download spyware and adware into the system.



Disinfection & Removal

Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.



Technical Details

Openstream.T comes in a signed Java JAR file, that will download and activate if user uses a web browser that supports Java. Before letting the trojan to execute the Java runtime, will ask user whether he wants the signed Java application to run.

If user answers no, the trojan will not execute.

If user answers yes, the trojan will download an Win32 EXE trojan that will download further trojans.

Openstream will run basically under any browser which supports Java, and probably also under other operating systems than Windows. However as the only payload the trojan has is downloading Win32 EXE, the trojan is harmless in other operating systems than windows.



Detection

Detection in F-Secure Anti-Virus was published on December 26th, 2004 in update:

Detection Type: PC
Database: 2004-12-26_01



Description Created: Jarno Niemela, March 14th, 2005;



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