Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\Microsoft Update.lnk
Creates the following files on removable media:
- <Drive name for removable media>:\x.exe
Malicious functions:
Creates and executes the following:
- '%TEMP%\is-SSI81.tmp\GWLOJX.tmp' /SL5="$100E0,3504148,395264,%TEMP%\GWLOJX.exe"
- '%TEMP%\GWLOJX.exe'
Modifies file system:
Creates the following files:
- %TEMP%\GWLOJX.exe
- %TEMP%\Data.txt
- %TEMP%\aut2.tmp
- %TEMP%\aut1.tmp
- %TEMP%\bzwfrwv
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\x.exe
Deletes the following files:
- %TEMP%\aut2.tmp
- %TEMP%\bzwfrwv
- %TEMP%\aut1.tmp
Network activity:
UDP:
- DNS ASK sh###4.ddns.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
