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Backdoor.Optix trojan


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#1 gammapi

gammapi

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Posted 17 April 2005 - 10:48 AM

If anyone might be able to provide some assistance, I would be grateful. I have contracted the Backdoor.Optix trojan and I cannot get rid of it. I use Norton AntiVirus and it located the file causing the problem but I cannot delete it. It seems that when my computer boots, a command file (windows.com) is loaded from C:\Windows\System32 and begins a process that runs in the backgroud. So long as the process is running, I cannot delete the file. But when I end the process via the Windows Task Manager, the windows.com file disappears. I cannot remove the Norton warning and multiple scans have failed to properly remove the trojan.

There is also an executable (yahooupdate.exe) that is related but also disappears when I click on it.

Any advice?

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#2 phawgg

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Posted 17 April 2005 - 11:21 AM

Welcome to bleepingcomputer.com, gammapi.
The best thing to do would be the post a HijackThis log, and go from there.

Click on this-->How to run & post a HijackThis log tutorial

An alternative might be to try doing the deletion in safe mode.

http://www.bleepingcomputer.com/forums/How...Mode-tut61.html

It is possible more is involved than just what you describe, so if
a log is posted, we can check for any additional factors present.
patiently patrolling, plenty of persisant pests n' problems ...




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