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Win32.HLLW.Autoruner2.18596
Added to the Dr.Web virus database:
2014-12-13
Virus description added:
2014-12-13
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'UserInit' = '<SYSTEM32>\userinit.exe,%HOMEPATH%\My Documents\MSCONFIG\windows.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'System(32bits)' = '%HOMEPATH%\My Documents\MSCONFIG\windows.exe'
Creates the following files on removable media:
<Drive name for removable media>:\mmst.pif
<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'
<Auxiliary element>
[<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 execution of the following system utilities:
Windows Task Manager (Taskmgr)
blocks the following features:
User Account Control (UAC)
Windows Security Center
Creates and executes the following:
'%HOMEPATH%\My Documents\MSCONFIG\windows.exe'
Executes the following:
'<SYSTEM32>\attrib.exe' "<Current directory>" +s +h
'<SYSTEM32>\notepad.exe'
'<SYSTEM32>\attrib.exe' "<Full path to virus>" +s +h
Injects code into
the following system processes:
a large number of user processes.
Modifies file system :
Creates the following files:
%TEMP%\hmkny.exe
<DRIVERS>\hkiqg.sys
%TEMP%\winpwrh.exe
C:\nhsrcx.pif
C:\autorun.inf
%TEMP%\000201DA_Rar\<Virus name>.exe
%HOMEPATH%\My Documents\MSCONFIG\windows.exe
%TEMP%\00025D1A_Rar\windows.exe
%TEMP%\00025CCC_Rar\windows.exe
Sets the 'hidden' attribute to the following files:
C:\nhsrcx.pif
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\mmst.pif
%HOMEPATH%\My Documents\MSCONFIG\windows.exe
<Full path to virus>
C:\autorun.inf
Deletes the following files:
<DRIVERS>\hkiqg.sys
%TEMP%\hmkny.exe
%TEMP%\winpwrh.exe
%TEMP%\000201DA_Rar\<Virus name>.exe
%TEMP%\00025CCC_Rar\windows.exe
%TEMP%\00025D1A_Rar\windows.exe
Deletes itself.
Network activity:
Connects to:
'<Private IP address>':200
'od####.no-ip.biz':200
UDP:
Miscellaneous:
Searches for the following windows:
ClassName: '#32770' WindowName: ''
ClassName: 'SysListView32' WindowName: ''
ClassName: 'Indicator' WindowName: ''
ClassName: '#32770' WindowName: '<Auxiliary name>'
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