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Win32.HLLW.Autoruner.52110
Added to the Dr.Web virus database:
2011-06-19
Virus description added:
2011-06-20
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'nod32update' = '<SYSTEM32>\nod32krn.exe'
[<HKLM>\SOFTWARE\Classes\exefile\shell\open\command] '' = '<SYSTEM32>\Run.exe %1 %*'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\RECYCLER\NOD32_Update.exe
Malicious functions:
Creates and executes the following:
Executes the following:
<SYSTEM32>\ntvdm.exe -f -i6
<SYSTEM32>\ntvdm.exe -f -i5
<SYSTEM32>\ntvdm.exe -f -i4
<SYSTEM32>\ntvdm.exe -f -i9
<SYSTEM32>\ntvdm.exe -f -i8
<SYSTEM32>\ntvdm.exe -f -i7
<SYSTEM32>\ntvdm.exe -f -i1
<SYSTEM32>\regsvr32.exe <SYSTEM32>\mfncom.dll /s
<SYSTEM32>\taskkill.exe /IM winlogger.exe /F
<SYSTEM32>\ntvdm.exe -f -i3
<SYSTEM32>\taskkill.exe /IM sslmsc.exe /F
<SYSTEM32>\ntvdm.exe -f -i2
Modifies file system :
Creates the following files:
%WINDIR%\Temp\scsA.tmp
%WINDIR%\Temp\scs9.tmp
%WINDIR%\Temp\scsC.tmp
%WINDIR%\Temp\scsB.tmp
%TEMP%\5355.03625869751.tmp
%WINDIR%\Temp\scs6.tmp
%WINDIR%\Temp\scs8.tmp
%WINDIR%\Temp\scs7.tmp
C:\autorun.inf
%WINDIR%\Temp\scs10.tmp
%WINDIR%\Temp\scs12.tmp
%WINDIR%\Temp\scs11.tmp
%WINDIR%\Temp\scsE.tmp
%WINDIR%\Temp\scsD.tmp
%WINDIR%\Temp\scsF.tmp
C:\RECYCLER\NOD32_Update.exe
<SYSTEM32>\mfnsp32.dll
<SYSTEM32>\mfnhks32.dll
<SYSTEM32>\mfnsvc.exe
<SYSTEM32>\mfnspinst32.exe
%TEMP%\csrss.exe
%TEMP%\38967.0968055725.tmp
<SYSTEM32>\mfncom.dll
%TEMP%\18282.2823524475.tmp
%WINDIR%\Temp\scs4.tmp
%WINDIR%\Temp\scs3.tmp
%WINDIR%\Temp\scs5.tmp
<SYSTEM32>\nod32krn.exe
<SYSTEM32>\Run.exe
<SYSTEM32>\sslmsc.exe
%WINDIR%\Temp\scs2.tmp
%WINDIR%\Temp\scs1.tmp
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
<SYSTEM32>\nod32krn.exe
C:\RECYCLER\NOD32_Update.exe
<Drive name for removable media>:\RECYCLER\NOD32_Update.exe
Deletes the following files:
<Drive name for removable media>:\RECYCLER\NOD32_Update.exe
%WINDIR%\Temp\scsD.tmp
%WINDIR%\Temp\scsF.tmp
%WINDIR%\Temp\scsB.tmp
%WINDIR%\Temp\scsC.tmp
C:\RECYCLER\NOD32_Update.exe
%WINDIR%\Temp\scs12.tmp
C:\autorun.inf
<Drive name for removable media>:\autorun.inf
%WINDIR%\Temp\scsE.tmp
%WINDIR%\Temp\scs10.tmp
%WINDIR%\Temp\scs11.tmp
%WINDIR%\Temp\scsA.tmp
%WINDIR%\Temp\scs1.tmp
%WINDIR%\Temp\scs4.tmp
<SYSTEM32>\Run.exe
%TEMP%\csrss.exe
%WINDIR%\Temp\scs2.tmp
%WINDIR%\Temp\scs3.tmp
%WINDIR%\Temp\scs7.tmp
%WINDIR%\Temp\scs9.tmp
%WINDIR%\Temp\scs8.tmp
%WINDIR%\Temp\scs5.tmp
%WINDIR%\Temp\scs6.tmp
<SYSTEM32>\nod32krn.exe
Network activity:
Connects to:
TCP:
HTTP POST requests:
www.dd##do1.com/ecb.php?cb############################
UDP:
Miscellaneous:
Searches for the following windows:
ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-c30.c34.430007'
ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-bdc.be4.400005'
ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-c70.c74.440002'
ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-ca8.cac.470008'
ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-c7c.c84.450005'
ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-bcc.bd0.3f0002'
ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b34.b38.3a0002'
ClassName: 'Shell_traywnd' WindowName: ''
ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b3c.b44.3b0005'
ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b84.b88.3e0007'
ClassName: '' WindowName: ''
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