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Win32.HLLW.Autoruner.58955

Added to the Dr.Web virus database: 2011-09-16

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niegev' = '%HOMEPATH%\niegev.exe /R'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niegev' = '%HOMEPATH%\niegev.exe /V'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niegev' = '%HOMEPATH%\niegev.exe /Z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niegev' = '%HOMEPATH%\niegev.exe /c'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niegev' = '%HOMEPATH%\niegev.exe /T'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niegev' = '%HOMEPATH%\niegev.exe /n'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niegev' = '%HOMEPATH%\niegev.exe /L'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niegev' = '%HOMEPATH%\niegev.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niegev' = '%HOMEPATH%\niegev.exe /u'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'niegev' = '%HOMEPATH%\niegev.exe /i'
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>:\QcK.ico
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\niegev.exe
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\niegevx.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%\niegev.exe 
Modifies file system :
Creates the following files:
  • %HOMEPATH%\niegev.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\niegev.exe
  • <Drive name for removable media>:\niegevx.exe
  • <Drive name for removable media>:\QcK.ico
  • %HOMEPATH%\niegev.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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