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Win32.HLLW.Autoruner.56395

Added to the Dr.Web virus database: 2011-08-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /r'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /p'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /k'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /O'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /Y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /A'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /Z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /F'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /U'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /D'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /T'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /g'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /b'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /c'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /M'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /h'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /N'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /e'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /X'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /s'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giearum' = '%HOMEPATH%\giearum.exe /W'
Creates the following files on removable media:
  • <Drive name for removable media>:\Documents.lnk
  • <Drive name for removable media>:\Passwords.lnk
  • <Drive name for removable media>:\Pictures.lnk
  • <Drive name for removable media>:\Video.lnk
  • <Drive name for removable media>:\Music.lnk
  • <Drive name for removable media>:\vje.ico
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\giearum.exe
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\giearumx.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%\giearum.exe 
Modifies file system :
Creates the following files:
  • %HOMEPATH%\giearum.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\giearum.exe
  • <Drive name for removable media>:\giearumx.exe
  • <Drive name for removable media>:\vje.ico
  • %HOMEPATH%\giearum.exe
  • <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
  • 'ns#.##ayer1253.com':8000
UDP:
  • DNS ASK ns#.##ayer1253.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''

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