Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Servicio del Sistema' = '%WINDIR%\Smss.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Gusano_Abaddon\desktop.Ini
- <Drive name for removable media>:\Gusano_Abaddon\Abaddon.exe
- <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
Executes the following:
- '<SYSTEM32>\taskkill.exe' /IM cmd.exe /F
- '<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v Hidden /t REG_DWORD /d 2 /f
- '<SYSTEM32>\reg.exe' add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoFolderOptions /t REG_DWORD /d 1 /f
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Modifies file system :
Creates the following files:
- C:\RECYCLAJE\desktop.Ini
- C:\RECYCLAJE\RECYCLADOR\desktop.Ini
- %WINDIR%\OKI.Ini
- %WINDIR%\Smss.exe
- C:\RECYCLAJE\RECYCLADOR\Abaddon.exe
Sets the 'hidden' attribute to the following files:
- %WINDIR%\OKI.Ini
- C:\RECYCLAJE\desktop.Ini
- C:\RECYCLAJE\RECYCLADOR\Abaddon.exe
- %WINDIR%\Smss.exe
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''