Re: Unknown user. Possible Trojan Horse! Need Help!

From: Roger Abell [MVP] (mvpNOSPAM@asu.edu)
Date: 03/04/03


From: "Roger Abell [MVP]" <mvpNOSPAM@asu.edu>
Date: Mon, 3 Mar 2003 17:17:19 -0700


A permission grant to a SID such as you see with
S-1-5-21-220523388-1580818891-1343024091-1003
is for an account that has been deleted.
You may remove the ACE grant with no effect since
it is a grant to a non-existing account.

-- 
Roger 
"Tom H" <tom_hermansen@yahoo.com> wrote in message news:02ee01c2e1d9$635801a0$a101280a@phx.gbl...
> I am running Win XP Pro on a Dell Dimension 8100 logged 
> on as the Administrator.
> 
> I have been trying unsuccessfully to install Norton 
> System works.  When installing Antivirus, I get a message 
> saying "Error 1321 The istaller has insufficient 
> privelages to modify this file. C:\\windows\system32
> \drivers\symdir.inf"  
> 
> I checked the properties on this file, and under 
> Security, in addition to the SYSTEM user, a mysterious 
> user is displayed.  The name of the unknown user is S-1-5-
> 21-220523388-1580818891-1343024091-1003 and it has 
> control of the file.  This user does not show up in 
> Computer Management under Local Users and Groups / 
> Users.  
> 
> Could this be a trojan or other type of melicious remote 
> user preventing the proper installation of Norton 
> Antifvirus?  Any help would be greatly appreciated.


Relevant Pages

  • Re: Running Programs under a Limited User Account
    ... >Such applications need to be installed in each specific ... >whom you wish to grant access. ... be sure the account to which you wish to grant ... Install the applications ...
    (microsoft.public.windowsxp.accessibility)
  • Re: granting all users access to games
    ... Most applications weren't designed for this type of multi-user environment. ... Such applications need to be installed in each specific user's account to ... be sure the account to which you wish to grant access is set to ... Install the applications to the same folder ...
    (microsoft.public.windowsxp.basics)
  • Re: ADMTv3 Questions
    ... the permission grant to a user account is grant by the SID ... If persmissions are assigned to built-in groups in the domain to be ... SIDs exist in the destination domain. ...
    (microsoft.public.windows.server.migration)
  • Re: *** HELP *** Problems Accessing Simple VB.NET Access Database
    ... you can grant Write permissions for the ASPNET account. ... permissions for an individual file or for directory hierarchies. ... I add an OleDBConnection called OleDBConnection1 to Form18b.aspx. ...
    (microsoft.public.dotnet.languages.vb)
  • Re: more user account options?
    ... and these custom groups can be used to grant some ... installing applications that install for all users instead ... > If not is there any way to give a limited account user ...
    (microsoft.public.windowsxp.security_admin)