Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA Media Center Library' = '%WINDIR%\winlogon.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA Media Center Library' = '%WINDIR%\winlogon.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\DrivesGuideInfo.lnk
- <Drive name for removable media>:\DrivesGuideInfo\autorun.exe
- <Drive name for removable media>:\DrivesGuideInfo\S-1-7-21-1439977401-7444491467-600013330-9141\Desktop.ini
- <Drive name for removable media>:\DrivesGuideInfo\S-1-7-21-1439977401-7444491467-600013330-9141\autorun.exe
Malicious functions:
Creates and executes the following:
- '%WINDIR%\winlogon.exe' 0
Modifies file system :
Creates the following files:
- %WINDIR%\winlogon.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\DrivesGuideInfo\S-1-7-21-1439977401-7444491467-600013330-9141\Desktop.ini
Deletes the following files:
- %TEMP%\~DFCD73.tmp
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''