Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
- <Drive name for removable media>:\InstBs.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
Executes the following:
- <SYSTEM32>\attrib.exe +h +s E:\InstBs.exe
- <SYSTEM32>\attrib.exe +h +s E:\autorun.inf
Modifies file system :
Creates the following files:
- %CommonProgramFiles%\System\msadc\Cfile.txt
- %CommonProgramFiles%\System\msadc\a.bat
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\InstBs.exe
- <Drive name for removable media>:\autorun.inf
