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Win32.HLLW.Autoruner1.18291
Added to the Dr.Web virus database:
2012-06-30
Virus description added:
2012-07-21
Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
<Drive name for removable media>:\pukm.exe
<Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\Explorer.EXE' = '%WINDIR%\Explorer.EXE:*:Enabled:ipsec'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<Full path to virus>' = '<Full path to virus>:*:Enabled:ipsec'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '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)
Windows Security Center
Creates and executes the following:
%TEMP%\~e5d141.tmp 2840 "%TEMP%\""~ef8836"
Injects code into
the following system processes:
a large number of user processes.
Modifies file system :
Creates the following files:
%TEMP%\ntgvny.exe
<DRIVERS>\eirnl.sys
%TEMP%\winoqtogh.exe
C:\wuaae.exe
C:\autorun.inf
%TEMP%\~e5d141.tmp
%TEMP%\00018845_Rar\<Virus name>.exe
%TEMP%\~ef8836\~df394b.tmp
%TEMP%\winidcf.exe
%TEMP%\fvidl.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\pukm.exe
C:\autorun.inf
C:\wuaae.exe
Deletes the following files:
<DRIVERS>\eirnl.sys
%TEMP%\ntgvny.exe
%TEMP%\winoqtogh.exe
%TEMP%\fvidl.exe
%TEMP%\~ef8836\~df394b.tmp
%TEMP%\winidcf.exe
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