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Win32.HLLW.Autoruner1.35747
Added to the Dr.Web virus database:
2013-04-23
Virus description added:
2013-04-30
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe] 'Debugger' = '<SYSTEM32>\svchost.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run] 'dlnajjbdfa' = '%WINDIR%\system\llwzjy081129.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\QQDoctor.exe] 'Debugger' = '<SYSTEM32>\svchost.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\DrRtp.exe] 'Debugger' = '<SYSTEM32>\svchost.exe'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Executes the following:
'<SYSTEM32>\ntsd.exe' -c q -p 1392
Injects code into
the following user processes:
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\mydown[1].asp
%WINDIR%\mydown.asp
%WINDIR%\system\mvjaj32dla.dll
%WINDIR%\system\llwzjy081129.exe
%ALLUSERSPROFILE%\jjjydf16.ini
Deletes the following files:
%WINDIR%\mydown.asp
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\mydown[1].asp
Deletes itself.
Network activity:
Connects to:
'www.ty##re.cn':80
'localhost':1035
TCP:
HTTP GET requests:
www.ty##re.cn/cs/518/mydown.asp?ve#########################################
UDP:
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_WebcheckMonitor' WindowName: ''
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: '#32770' WindowName: 'Windows ??????????'
ClassName: 'MS_AutodialMonitor' WindowName: ''
ClassName: 'CabinetWClass' WindowName: ''
ClassName: 'IEFrame' WindowName: ''
ClassName: '' WindowName: ''
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