Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,'
- [<HKCU>\Control Panel\Desktop] 'SCRNSAVE.EXE' = '<SYSTEM32>\ssmypics.scr'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad] 'SysTray' = '{35CEC8A3-2BE6-11D2-8773-92E220524153}'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\HidServ] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\stisvc] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks the following features:
- Windows Security Center
Executes the following:
- '<SYSTEM32>\mmc.exe' "<SYSTEM32>\devmgmt.msc"
- '%WINDIR%\regedit.exe' /s %WINDIR%\Temp\shi.reg
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoSaveSettings' = '00000000'
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1C00' = '{00,00,01,00}'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1201' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'WarnOnZoneCrossing' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1004' = '00000001'
Forces autoplay for removable media.
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- %TEMP%\aut4.tmp
- %WINDIR%\Temp\shi.reg
- %WINDIR%\Temp\run.bat
- %WINDIR%\Temp\hosts.exe
- %TEMP%\aut5.tmp
- %WINDIR%\Temp\KbNumLock.exe
- %TEMP%\aut1.tmp
- %TEMP%\aut2.tmp
- %TEMP%\aut3.tmp
- %WINDIR%\Temp\deldrivers.exe
Deletes the following files:
- %TEMP%\aut4.tmp
- %TEMP%\aut5.tmp
- %TEMP%\aut3.tmp
- %TEMP%\aut1.tmp
- %TEMP%\aut2.tmp
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'RegEdit_RegEdit' WindowName: '(null)'
