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Win32.HLLW.Autoruner1.52340
Added to the Dr.Web virus database:
2013-07-17
Virus description added:
2013-07-26
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'System' = '<SYSTEM32>\dllcache\lsoss.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'xpserve' = '<SYSTEM32>\xpserve.exe'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
blocks execution of the following system utilities:
Registry Editor (RegEdit)
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\%61%33%2E%68%74%6D[1]
<SYSTEM32>\dllcache\lsoss.exe
<SYSTEM32>\xpserve.exe
Sets the 'hidden' attribute to the following files:
Network activity:
Connects to:
'www.ka##k.cn':80
'localhost':1035
TCP:
HTTP GET requests:
www.ka##k.cn/%61%33%2E%68%74%6D
UDP:
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
ClassName: 'IEFrame' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: '' WindowName: '(null)'
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