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Win32.HLLW.Autoruner1.34800

Added to the Dr.Web virus database: 2013-04-02

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /M'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /k'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /R'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /b'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /u'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /p'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /i'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /X'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /S'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /n'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /c'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /Y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /G'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /d'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /o'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /W'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /L'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /e'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /h'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /F'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tooagoc' = '%HOMEPATH%\tooagoc.exe /T'
Creates the following files on removable media:
  • <Drive name for removable media>:\Pictures.lnk
  • <Drive name for removable media>:\Documents.lnk
  • <Drive name for removable media>:\Video.lnk
  • <Drive name for removable media>:\Music.lnk
  • <Drive name for removable media>:\Passwords.lnk
  • <Drive name for removable media>:\tooagoc.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\tooagocx.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Creates and executes the following:
  • %HOMEPATH%\tooagoc.exe
Modifies file system :
Creates the following files:
  • %HOMEPATH%\tooagoc.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\tooagoc.exe
  • <Drive name for removable media>:\tooagocx.exe
  • %HOMEPATH%\tooagoc.exe
  • <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
  • 'ns#.##deconline.biz':8000
UDP:
  • DNS ASK ns#.##deconline.biz
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''