Win32.HLLW.Autoruner1.29244
Added to the Dr.Web virus database:
2012-11-05
Virus description added:
2012-11-05
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Generic Host Process' = '%ALLUSERSPROFILE%\Application Data\scvhost.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Sys.exe
Malicious functions:
Creates and executes the following:
- %TEMP%\Spotify.exe
- %TEMP%\Spotify Installer.exe
Terminates or attempts to terminate
the following user processes:
Modifies file system :
Creates the following files:
- %ALLUSERSPROFILE%\Application Data\scvhost.exe
- C:\Sys.exe
- C:\autorun.inf
- %TEMP%\nsr4.tmp\modern-header.bmp
- %TEMP%\Spotify Installer.exe
- %TEMP%\Spotify.exe
- %TEMP%\nsr3.tmp
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Sys.exe
- <Drive name for removable media>:\autorun.inf
- C:\Sys.exe
- C:\autorun.inf
Deletes the following files:
- <Drive name for removable media>:\Sys.exe
- <Drive name for removable media>:\autorun.inf
- C:\Sys.exe
- C:\autorun.inf
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '#32770' WindowName: ''
- ClassName: 'SpotifyMainWindow' WindowName: ''
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