Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Svchost' = '%WINDIR%\svchost.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\system.exe
Malicious functions:
Creates and executes the following:
- %WINDIR%\svchost.exe
Executes the following:
- %WINDIR%\explorer.exe <Current directory>
Searches for windows to
detect analytical utilities:
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
- ClassName: '' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'Regmonclass' WindowName: ''
- ClassName: '' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'GBDYLLO' WindowName: ''
- ClassName: 'OLLYDBG' WindowName: ''
- ClassName: 'FilemonClass' WindowName: ''
- ClassName: 'pediy06' WindowName: ''
Modifies file system :
Creates the following files:
- C:\system.exe
- C:\autorun.inf
- %WINDIR%\svchost.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\system.exe
- C:\system.exe
- %WINDIR%\svchost.exe
- C:\autorun.inf
Deletes the following files:
- %TEMP%\~DFA604.tmp
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: '18467-41' WindowName: ''