Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,C:\RECYCLER\S-1-5-21-2052111302-484763869-725345543-1003\smss.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '' = 'C:\RECYCLER\S-1-5-21-2052111302-484763869-725345543-1003\smss.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '' = 'C:\RECYCLER\S-1-5-21-2052111302-484763869-725345543-1003\smss.exe'
Changes the following executable system files:
- <SYSTEM32>\dllcache\taskmgr.exe
- <SYSTEM32>\taskmgr.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\RECYCLER\S-1-5-21-2052111302-484763869-725345543-1003\desktop.ini
- <Drive name for removable media>:\RECYCLER\S-1-5-21-2052111302-484763869-725345543-1003\smss.exe
Malicious functions:
Executes the following:
- '<SYSTEM32>\wbem\wmiadap.exe' /R /T
- '%WINDIR%\explorer.exe' C:
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Internet Explorer\Main] 'Window Title' = 'Towards Victory With Unity©-[E-Fac RUHUNA®]'
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
- C:\RECYCLER\S-1-5-21-2052111302-484763869-725345543-1003\smss.exe
- C:\Autorun.inf
- <SYSTEM32>\taskmgr2.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Autorun.inf
- C:\Autorun.inf
Deletes the following files:
- <SYSTEM32>\PerfStringBackup.TMP
- <SYSTEM32>\wbem\Performance\WmiApRpl.ini
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '' WindowName: ''
