Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = '%APPDATA%\Microsoft\Internet Explorer\shell32.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\RECYCLER\desktop.ini
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks execution of the following system utilities:
- Registry Editor (RegEdit)
blocks the following features:
- User Account Control (UAC)
Executes the following:
- '<SYSTEM32>\net.exe' stop ERSvc
- '<SYSTEM32>\net1.exe' stop dnscache
- '<SYSTEM32>\sc.exe' config dnscache start= disabled
- '<SYSTEM32>\reg.exe' add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoRun" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\net.exe' stop dnscache
- '<SYSTEM32>\taskkill.exe' /IM cmd.exe
- '<SYSTEM32>\reg.exe' add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /t REG_SZ /d "http://cm##p.com" /f
- '<SYSTEM32>\reg.exe' add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "DisableRegistryTools" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\sc.exe' config ERSvc start= disabled
- '<SYSTEM32>\net1.exe' stop ERSvc
- '<SYSTEM32>\sc.exe' config SharedAccess start= disabled
- '<SYSTEM32>\net1.exe' stop SharedAccess
- '<SYSTEM32>\net.exe' stop SharedAccess
- '<SYSTEM32>\attrib.exe' +R +S +H "%APPDATA%\Microsoft\Internet Explorer\shell32.exe"
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run" /v "Policies" /t REG_SZ /d "%APPDATA%\Microsoft\Internet Explorer\shell32.exe" /f
- '<SYSTEM32>\reg.exe' add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoFolderOptions" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\reg.exe' add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v "NoFolderOptions" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\reg.exe' add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "HideFileExt" /t REG_DWORD /d "1" /f
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t REG_DWORD /d "0" /f
- '<SYSTEM32>\reg.exe' add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" /v "Hidden" /t REG_DWORD /d "2" /f
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoRun' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoFolderOptions' = '00000001'
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- C:\Symbian Ringtone.exe
- C:\iPhone Ringtone.exe
- %APPDATA%\Microsoft\Internet Explorer\shell32.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\RECYCLER\desktop.ini
- %APPDATA%\Microsoft\Internet Explorer\shell32.exe
- <Full path to virus>
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: '(null)' WindowName: '(null)'
