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Below is a listing of some specific issues and solutions for them.
Smitfraud
Trojan - Restoring the taskbar, start menu, and Internet Explorer
- Added 7/2/05 3:00PM
Problem:
After cleaning the smitfraud trojan infection with McAfee
or Kaspersky, explorer.exe and iexplore.exe won't run without
being renamed. The task bar and start menu aren't present
after booting. Windows XP repair installation does not complete
successfully but rather locks up near the end. When trying
to run explorer from the task manager, you get the error "The
system cannot find the file c:\windows\explorer.exe."
Here's
how to fix this issue:
1. CTRL-Alt-Del
to bring up Task Manager.
2. Click File | New Task(run).
3. Type regedit in the Run box and click OK.
4. Browse to the following registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows
NT\CurrentVersion\Image File Execution.options
5. Under
this key there will be subkeys named explorer.exe and iexplorer.exe.
Delete the explorer and iexplorer keys entirely. They should
not be listed under the Image File Execution.Options key.
6. Close the Registry Editor.
7. Restart the computer.
Assuming
no other viruses / adware / spyware / malware are interfering,
the Windows desktop should load fine now.
Update 2/9/06: SmitRem may also be helpful to more automatically remove smitfraud.
lsass.exe
- not enough quota - added 7/29/05 6:00PM
When
repairing or installing Windows XP, you get the message "Not
enough virtual memory or paging file quota is available..."
very briefly and then the computer reboots. This happens in
normal and in safe modes, and continues to happen after attempting
to repair windows too.
Solution:
It is recommended to do a full system backup first using a
drive imaging program such as Norton Ghost. Boot the computer
using the Windows XP CD into recovery mode (press R). Copy
all files from c:\windows\repair to c:\windows\system32\config
one by one. If it asks if you want to overwrite say yes. Reboot
and the system should come up again.
Altnet
Registry Remnants Removal - added 2/9/06 2:20PM
HKEY_LOCAL_MACHINE\SOFTWARE\Altnet
HKEY_LOCAL_MACHINE\SOFTWARE\Altnet\Dashboard
HKEY_LOCAL_MACHINE\SOFTWARE\Altnet\Dashboard\Settings
The above
registry keys cannot be deleted or removed by any antispyware
software. Change permissions on the highest level key first,
and then each subkey in succession. Run regedt32.exe and right
click on each key and click on Permissions. Then click on
the Advanced button. Make sure the first box (Inherit from
parent...) is checked. Click OK and OK. When all the permissions
have been changed then try deleting each entry again in reverse
order, starting with all the subkeys and moving your way up.
Once you're done, close the Registry Editor. If it's still
giving you problems, try deleting them in Safe Mode (or even
another user account). |
