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Win32.HLLW.Siggen.7893
Added to the Dr.Web virus database:
2016-10-15
Virus description added:
2016-10-15
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\svchost.exe
Malicious functions:
Executes the following:
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\z0jmyxyr.cmdline"
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES4.tmp" "%TEMP%\vbc3.tmp"
'<SYSTEM32>\ntvdm.exe' -f -i1
'%TEMP%\svchost.exe'
Modifies file system:
Creates the following files:
%TEMP%\z0jmyxyr.out
%TEMP%\z0jmyxyr.cmdline
%TEMP%\z0jmyxyr.0.vb
%TEMP%\z0jmyxyr.exe
%TEMP%\RES4.tmp
%TEMP%\vbc3.tmp
%TEMP%\MSNPSharp.dll
%TEMP%\svchost.exe
%TEMP%\$RECYCLE.BIN.exe
%TEMP%\S.resources
%TEMP%\0M8x1A.resources
%WINDIR%\Temp\scs2.tmp
%WINDIR%\Temp\scs1.tmp
Deletes the following files:
%TEMP%\z0jmyxyr.exe
%TEMP%\z0jmyxyr.out
%TEMP%\z0jmyxyr.0.vb
%TEMP%\z0jmyxyr.cmdline
%WINDIR%\Temp\scs2.tmp
%WINDIR%\Temp\scs1.tmp
%TEMP%\vbc3.tmp
%TEMP%\RES4.tmp
Miscellaneous:
Searches for the following windows:
ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b3c.b40.380001'
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