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Win32.HLLW.Autoruner1.11003
Added to the Dr.Web virus database:
2012-01-17
Virus description added:
2012-01-18
Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\irts.cmd
<Drive name for removable media>:\explorer.exe
<Drive name for removable media>:\Autorun.ini
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\fucking\what\explorer.exe' = '%PROGRAM_FILES%\fucking\what\explorer.exe:*:Enabled:Windows Messanger'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\nmopr89.exe' = '%APPDATA%\nmopr89.exe:*:Enabled:Windows Messanger'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\fucking\what\explorer.exe' = '%PROGRAM_FILES%\fucking\what\explorer.exe:*:Enabled:ipsec'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
To complicate detection of its presence in the operating system,
forces the system hide from view:
blocks the following features:
User Account Control (UAC)
Creates and executes the following:
%PROGRAM_FILES%\fucking\what\explorer.exe
Executes the following:
<SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\nmopr89.exe" /t REG_SZ /d "%APPDATA%\nmopr89.exe:*:Enabled:Windows Messanger" /f
<SYSTEM32>\notepad.exe
<SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
<SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%PROGRAM_FILES%\fucking\what\explorer.exe" /t REG_SZ /d "%PROGRAM_FILES%\fucking\what\explorer.exe:*:Enabled:Windows Messanger" /f
Injects code into
the following system processes:
a large number of user processes.
Modifies file system :
Creates the following files:
%PROGRAM_FILES%\fucking\what\Uninstall.ini
%TEMP%\wineopp.exe
%APPDATA%\data.dat
%PROGRAM_FILES%\fucking\what\Uninstall.exe
%TEMP%\$inst\2.tmp
%TEMP%\$inst\temp_0.tmp
%PROGRAM_FILES%\fucking\what\explorer.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\irts.cmd
<Drive name for removable media>:\explorer.exe
<Drive name for removable media>:\Autorun.ini
Deletes the following files:
%TEMP%\wineopp.exe
%TEMP%\$inst\2.tmp
%TEMP%\$inst\temp_0.tmp
Network activity:
Connects to:
UDP:
DNS ASK ur#.##rvehttp.com
'<Private IP address>':1037
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: ''
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