Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Internet explorer' = '<SYSTEM32>\nvshootls.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Services Network' = '%WINDIR%\mnetwork.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Internet system' = '%WINDIR%\intexplorer.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Explorer system32' = '%WINDIR%\gfesd.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows system' = '%WINDIR%\ncvfd.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Internet explorer' = 'system32\nvshootls.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Services Network' = 'mnetwork.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Internet system' = 'intexplorer.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Explorer system32' = 'gfesd.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows system' = 'ncvfd.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
Malicious functions:
Creates and executes the following:
- <Current directory>\gfesd.exe
- <SYSTEM32>\nvshootls.exe
- <Current directory>\ncvfd.exe
- <Current directory>\mnetwork.exe
- <Current directory>\intexplorer.exe
Modifies file system :
Creates the following files:
- %WINDIR%\gfesd.exe
- %WINDIR%\ncvfd.exe
- %WINDIR%\intexplorer.exe
- <SYSTEM32>\WinInt32.dll
- C:\Autorun.inf
- C:\TimeSheet.exe
- C:\Sheet.exe
- <Current directory>\intexplorer.exe
- <Current directory>\mnetwork.exe
- <Current directory>\ncvfd.exe
- %WINDIR%\mnetwork.exe
- <SYSTEM32>\nvshootls.exe
- <Current directory>\gfesd.exe
Sets the 'hidden' attribute to the following files:
- C:\Autorun.inf
- <Drive name for removable media>:\Autorun.inf
Deletes the following files:
- %TEMP%\~DFE460.tmp
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
