Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'svchost.exe' = '%APPDATA%\System\explorer\svchost.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'AudioHD' = '%APPDATA%\System\explorer\svchost.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'svchost.exe' = '<Full path to file>'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'AudioHD' = '<Full path to file>'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\AudioHD.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Umbrella.flv.exe.lnk
- <Drive name for removable media>:\autorun.inf.lnk
- <Drive name for removable media>:\Umbrella.flv.exe
- <Drive name for removable media>:\8665239.exe
- <Drive name for removable media>:\23953426.exe
- <Drive name for removable media>:\8665239.exe.lnk
Malicious functions:
Creates and executes the following:
- '%APPDATA%\System\explorer\svchost.exe'
Modifies file system:
Creates the following files:
- C:\Umbrella.flv.exe
- C:\autorun.inf
- %APPDATA%\System\explorer\svchost.exe
- %TEMP%\melt.txt
Sets the 'hidden' attribute to the following files:
- C:\Umbrella.flv.exe
- C:\autorun.inf
- <Drive name for removable media>:\Umbrella.flv.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\8665239.exe
- <Full path to file>
- <Drive name for removable media>:\23953426.exe
- %APPDATA%\System\explorer\svchost.exe
Deletes the following files:
- <Drive name for removable media>:\Umbrella.flv.exe.lnk
- <Drive name for removable media>:\autorun.inf.lnk
- %TEMP%\melt.txt
- <Drive name for removable media>:\8665239.exe.lnk
Substitutes the following files:
- <Drive name for removable media>:\autorun.inf.lnk
- <Drive name for removable media>:\Umbrella.flv.exe.lnk
- <Drive name for removable media>:\8665239.exe.lnk
Network activity:
Connects to:
- 'localhost':1111
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_traywnd' WindowName: ''
