Win32.HLLW.Autoruner1.56962

Added to the Dr.Web virus database: 2013-09-23

Virus description added: 2013-09-23

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wuaclts.exe' = 'C:\swssetup\systems.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wuaclt.exe' = '%WINDIR%\14785\systems.exe'

Creates the following files on removable media:

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 40
'<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>\reg.exe' ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v wuaclts.exe /t REG_SZ /d "C:\swssetup\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:

%WINDIR%\14785\WINUPDATE.DLL
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\f195d7b8.any[1]
C:\swssetup\systems.exe
%TEMP%\~1.bat
%WINDIR%\14785\systems.exe

Sets the 'hidden' attribute to the following files:

Network activity:

Connects to:

TCP:

HTTP GET requests:

UDP:

Miscellaneous:

Searches for the following windows: