Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %WINDIR%\Tasks\Windows System Cleanup.job
Creates the following files on removable media:
- <Drive name for removable media>:\RECYCLER1\RECYCLER1.exe
- <Drive name for removable media>:\RECYCLER1\dd1.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
Executes the following:
- <SYSTEM32>\schtasks.exe /create /tn "Windows System Cleanup" /sc minute /mo 5 /tr "%WINDIR%\dd1.exe s" /ru System
- <SYSTEM32>\schtasks.exe /create /tn "Windows System Cleanup" /sc minute /mo 5 /tr "%WINDIR%\dd1.exe s" /ru System /F
- %WINDIR%\explorer.exe <Current directory>
Modifies file system :
Creates the following files:
- %WINDIR%\dd1.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
