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Win32.HLLW.Autoruner1.45386
Added to the Dr.Web virus database:
2013-06-28
Virus description added:
2013-07-06
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wuaclt.exe' = '%WINDIR%\14785\systems.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'wuaclt.exe' = '%WINDIR%\14785\systems.exe'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\System\systems.exe
Malicious functions:
Executes the following:
'<SYSTEM32>\attrib.exe' +S +H +R "I:\autorun.inf"
'<SYSTEM32>\attrib.exe' +S +H +R "J:\autorun.inf"
'<SYSTEM32>\attrib.exe' +S +H +R "G:\autorun.inf"
'<SYSTEM32>\attrib.exe' +S +H +R "H:\autorun.inf"
'<SYSTEM32>\reg.exe' ADD HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Windows /v ErrorMode /t REG_DWORD /d "2" /f
'<SYSTEM32>\ping.exe' 127.0.0.1 -n 30
'<SYSTEM32>\reg.exe' ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v wuaclt.exe /t REG_SZ /d "%WINDIR%\14785\systems.exe" /f
'<SYSTEM32>\reg.exe' ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v wuaclt.exe /t REG_SZ /d "%WINDIR%\14785\systems.exe" /f
'<SYSTEM32>\attrib.exe' +S +H +R "G:\system"
'<SYSTEM32>\attrib.exe' +S +H +R "H:\system"
'<SYSTEM32>\attrib.exe' +S +H +R "E:\system"
'<SYSTEM32>\attrib.exe' +S +H +R "F:\system"
'<SYSTEM32>\attrib.exe' +S +H +R "E:\autorun.inf"
'<SYSTEM32>\attrib.exe' +S +H +R "F:\autorun.inf"
'<SYSTEM32>\attrib.exe' +S +H +R "I:\system"
'<SYSTEM32>\attrib.exe' +S +H +R "J:\system"
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\f195d7b8.any[1]
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\googles[1]
%WINDIR%\14785\WINUPDATE.DLL
%TEMP%\~1.bat
%WINDIR%\14785\systems.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
%TEMP%\~1.bat
Network activity:
Connects to:
'localhost':1039
'www.ju##link.dk':80
'localhost':1036
'f1###7b8.any.gs':80
TCP:
HTTP GET requests:
www.ju##link.dk/googles
f1###7b8.any.gs/
UDP:
DNS ASK www.ju##link.dk
DNS ASK f1###7b8.any.gs
Miscellaneous:
Searches for the following windows:
ClassName: 'IEFrame' WindowName: '(null)'
ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
ClassName: 'Indicator' WindowName: '(null)'
ClassName: '' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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