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Win32.HLLW.Autoruner2.14155

Added to the Dr.Web virus database: 2014-05-05

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaopooq' = '%HOMEPATH%\vaopooq.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaopooq' = '%HOMEPATH%\vaopooq.exe /m'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaopooq' = '%HOMEPATH%\vaopooq.exe /n'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaopooq' = '%HOMEPATH%\vaopooq.exe /B'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaopooq' = '%HOMEPATH%\vaopooq.exe /w'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaopooq' = '%HOMEPATH%\vaopooq.exe /S'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaopooq' = '%HOMEPATH%\vaopooq.exe /o'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaopooq' = '%HOMEPATH%\vaopooq.exe /H'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaopooq' = '%HOMEPATH%\vaopooq.exe /k'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaopooq' = '%HOMEPATH%\vaopooq.exe /y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaopooq' = '%HOMEPATH%\vaopooq.exe /r'
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>:\yBUz.ico
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\vaopooq.exe
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\vaopooqx.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%\vaopooq.exe'
Modifies file system :
Creates the following files:
  • %HOMEPATH%\vaopooq.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\vaopooq.exe
  • <Drive name for removable media>:\vaopooqx.exe
  • <Drive name for removable media>:\yBUz.ico
  • %HOMEPATH%\vaopooq.exe
  • <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
  • 'ns#.##ayer1532.com':8000
UDP:
  • DNS ASK ns#.##ayer1532.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'