Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'system32' = '%WINDIR%\Branding\key.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Steam' = '"%WINDIR%\TVCS\Steam Powerd.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\AUTORUN.inf
Malicious functions:
Creates and executes the following:
- '%TEMP%\RarSFX0\AutoPlay\Docs\backup.exe'
- '%TEMP%\RarSFX0\AutoPlay\Docs\system32.exe'
- '%TEMP%\RarSFX0\Wmp.exe'
- '%TEMP%\RarSFX0\AutoPlay\Docs\startSteam.exe'
Executes the following:
- '%WINDIR%\regedit.exe' /s system32.reg
- '%WINDIR%\regedit.exe' /s key.reg
Modifies file system :
Creates the following files:
- %TEMP%\RarSFX0\AutoPlay\Images\New Picture (2)_1.png
- %TEMP%\RarSFX0\AutoPlay\WMp.cdd
- %TEMP%\RarSFX0\AutoPlay\Icons\Icon_1.ico
- %TEMP%\RarSFX0\AutoPlay\Images\New Picture (2).png
- %WINDIR%\TVCS\key.reg
- C:\AUTORUN.inf
- %WINDIR%\Branding\key.exe
- %WINDIR%\TVCS\Steam Powerd.exe
- %TEMP%\RarSFX1\system32.reg
- %TEMP%\RarSFX0\AutoPlay\Docs\system32.exe
- %TEMP%\RarSFX0\AutoPlay\Audio\Click1.ogg
- %TEMP%\RarSFX0\AutoPlay\Audio\High1.ogg
- %TEMP%\RarSFX0\Icon_1.ico
- %TEMP%\RarSFX0\Wmp.exe
- %TEMP%\RarSFX0\AutoPlay\Docs\AUTORUN.inf
- %TEMP%\RarSFX0\AutoPlay\Docs\startSteam.exe
- %TEMP%\RarSFX0\AutoPlay\Docs\steam.url
- %TEMP%\RarSFX0\AutoPlay\Docs\backup.exe
- %TEMP%\RarSFX0\AutoPlay\Docs\key.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\AUTORUN.inf
- C:\AUTORUN.inf
- %TEMP%\RarSFX0\AutoPlay\Docs\AUTORUN.inf
Deletes the following files:
- %TEMP%\RarSFX1\system32.reg
Miscellaneous:
Searches for the following windows:
- ClassName: 'RegEdit_RegEdit' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'EDIT' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
