Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = 'userinit.exe%APPDATA%\appconf32.exe,'
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\syswow64\tstheme.exe
- %WINDIR%\syswow64\svchost.exe
- %WINDIR%\syswow64\werfault.exe
the following user processes:
- iexplore.exe
Modifies settings of Windows Internet Explorer
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2500' = '00000003'
Modifies file system
Creates the following files
- %APPDATA%\appconf32.exe
Sets the 'hidden' attribute to the following files
- %APPDATA%\appconf32.exe
Deletes itself.
Network activity
UDP
- DNS ASK dr###pontis.com
Miscellaneous
Executes the following
- '%WINDIR%\syswow64\tstheme.exe'
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\tstheme.exe' ' (with hidden window)
