Win32.HLLW.Autoruner.52382
Added to the Dr.Web virus database:
2011-06-24
Virus description added:
2011-06-24
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /F'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /B'
- [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\1498880296] 'Name' = '"%TEMP%\2.tmp"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /W'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gaoto' = '%HOMEPATH%\gaoto.exe /X'
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>:\utn.ico
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\gaoto.exe
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\gaotox.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
- %HOMEPATH%\poo1.exe
- %HOMEPATH%\poo2.exe
- %HOMEPATH%\OwjlQblTi.exe
- %HOMEPATH%\gaoto.exe
Executes the following:
- <SYSTEM32>\cmd.exe /c """%TEMP%\7ZSfx000.cmd"" "
- <SYSTEM32>\tasklist.exe
Injects code into
the following system processes:
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
Modifies file system :
Creates the following files:
- %WINDIR%\Temp\3.tmp
- %TEMP%\1.tmp
- %TEMP%\7ZSfx000.cmd
- %TEMP%\Rlb..bat
- %HOMEPATH%\poo1.exe
- %HOMEPATH%\OwjlQblTi.exe
- %HOMEPATH%\gaoto.exe
- %HOMEPATH%\poo2.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\gaoto.exe
- <Drive name for removable media>:\gaotox.exe
- <Drive name for removable media>:\utn.ico
- %HOMEPATH%\gaoto.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- %HOMEPATH%\OwjlQblTi.exe
- %HOMEPATH%\poo2.exe
- %TEMP%\2.tmp
- %WINDIR%\Temp\3.tmp
Deletes itself.
Network activity:
Connects to:
TCP:
HTTP POST requests:
- bo###rspot.in/itscool.php?in##############################################################################################################
UDP:
- DNS ASK bo###rspot.in
- DNS ASK pa###poker.com
- DNS ASK ma###ble.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
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