Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
- <Drive name for removable media>:\dll.vbs
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\wscript.exe' //B "%TEMP%\dll.vbs"
- '<SYSTEM32>\wscript.exe' "<LS_APPDATA>\Windows7\dll.vbs"
Executes the following:
- '<SYSTEM32>\schtasks.exe' /Create /TN WindowsUpda2ta /xml %TEMP%\R.jpg
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen %TEMP%\Pictures.jpg
Modifies file system:
Creates the following files:
- %TEMP%\R.jpg
- %TEMP%\dll.vbs
- %APPDATA%\Microsoft\dll.vbs
- %TEMP%\Pictures.jpg
- <LS_APPDATA>\Windows7\dll.vbs
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\dll.vbs
Network activity:
Connects to:
- 'localhost':777
- 'localhost':1036
Miscellaneous:
Searches for the following windows:
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: ''
