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Svohost.exe Removal In Hjt Log, Winxp Sp1

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#1 RTW DC2


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Posted 10 December 2005 - 06:58 PM

Did some research on the svohost.exe file, appears to be related to a few different trojans out there, Smitfraud being one of them. When running HJT, this entry shows up like this:

F2 - REG:system.ini: Shell=Explorer.exe C:\WINDOWS\System32\svohost.exe

I was not able to delete the file in Safe Mode, but was able to delete it on reboot with Killbox. Now after rebooting and getting to desktop, get message that the file cant be found. Obviously, because I deleted it.

Now, how do I go about removing this entry or cleaning it from the registry without ruining Explorer.exe? I had a similar issue, actually it might be the same exact issue before (posted in here not too long ago), and I believe I removed the entry using HJT and it ended up killing Explorer.exe and making the desktop unusable and eventually had to reinstall. Im assuming it changed System.ini judging by the HJT entry, but if I just delete it I think it will make Explorer.exe not load at startup.

any suggestions?

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#2 Joshuacat


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Posted 10 December 2005 - 09:35 PM

You could post a HiJackthis log in our HijackThis Logs and Analysis forum.
Before you do, please read and follow the instructions in the Preparation Guide for use before posting a HijackThis Log



#3 usasma


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Posted 12 December 2005 - 11:53 AM

HJT only fixes the entry that it points to in the HJT log - it does not fix the cause of the problem. That requires the skill of one of the HJT Log experts - they can zero in on the problem and give you specific instructions on how to remove the source of this problem.
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#4 quietman7


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Posted 12 December 2005 - 02:07 PM

I believe I removed the entry using HJT and it ended up killing Explorer.exe and making the desktop unusable

Most of the entries in a Hijackthis log are required to run a computer and removing essential ones can potentially cause serious damage such as your Internet no longer working or problems with running windows itself. Follow the good advice you have been provided here. If you attempt to fix anything yourself using HJT without knowing specifically what you are doing you may make your entire computer unusable.
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#5 RTW DC2

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Posted 14 December 2005 - 03:08 PM

For what its worth, here is the "fix" I used and it works fine now.

I basically searched the registry for "svohost.exe" and it showed up in the HKLM\Software\Microsoft\Windows NT\Winlogon\Shell key like this: "explorer.exe C:\windows\system32\svohost.exe". I checked another computer and it only showed "explorer.exe" without the reference to the svohost.exe file. I modified the entry, removing "C:\windows\system32\svohost.exe" and it seems to work fine now.

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