Win32.HLLM.Siggen.2480

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'System' = '<SYSTEM32>\wind32.exe'

Malicious functions:

To complicate detection of its presence in the operating system,

blocks execution of the following system utilities:

Executes the following:

Modifies file system :

Creates the following files:

%WINDIR%\Temp\scs5.tmp
%WINDIR%\Temp\scs4.tmp
%WINDIR%\Temp\scs6.tmp
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\adv67[1].php
%WINDIR%\Temp\scs1.tmp
<SYSTEM32>\dllgh8jkd1q7.exe
%WINDIR%\Temp\scs3.tmp
%WINDIR%\Temp\scs2.tmp
%WINDIR%\Temp\scsA.tmp
%WINDIR%\Temp\scs9.tmp
%WINDIR%\Temp\scsC.tmp
%WINDIR%\Temp\scsB.tmp
<SYSTEM32>\vx.tll
%TEMP%\3.dllb
%WINDIR%\Temp\scs8.tmp
%WINDIR%\Temp\scs7.tmp
%TEMP%\7.dllb
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\null[1].jpg
<SYSTEM32>\dllgh8jkd1q8.exe
<SYSTEM32>\dllgh8jkd1q1.exe
%TEMP%\1.dllb
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\adload[1].php
<SYSTEM32>\wind32.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\rftghjkljhgfdsdfgh[1].php
%TEMP%\4.dllb
%TEMP%\6.dllb
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\tool[1].jpg
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\proxy[1].jpg
<SYSTEM32>\dllgh8jkd1q6.exe
<SYSTEM32>\dllgh8jkd1q2.exe
%TEMP%\2.dllb
<SYSTEM32>\dllgh8jkd1q5.exe
%TEMP%\5.dllb

Deletes the following files:

%WINDIR%\Temp\scs6.tmp
%WINDIR%\Temp\scs8.tmp
%WINDIR%\Temp\scs5.tmp
%WINDIR%\Temp\scs2.tmp
%WINDIR%\Temp\scsA.tmp
%WINDIR%\Temp\scs7.tmp
%WINDIR%\Temp\scsB.tmp
%WINDIR%\Temp\scs9.tmp
%WINDIR%\Temp\scsC.tmp
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\null[1].jpg
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\tool[1].jpg
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\adload[1].php
<SYSTEM32>\dllgh8jkd1q8.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\proxy[1].jpg
%WINDIR%\Temp\scs4.tmp
%WINDIR%\Temp\scs1.tmp
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\adv67[1].php
%WINDIR%\Temp\scs3.tmp

Network activity:

Connects to:

TCP:

HTTP GET requests:

tr###ount.net/pic/tool.jpg
tr###ount.net/pic/proxy.jpg
tr###ount.net/qwertyuiyw12ertyuytre/adv67.php?ad###################################
tr###ount.net/adv/067/adload.php?a1###########################################################################################################################################################################
tr###ount.net/rftghjkljhgfdsdfgh.php?ad##########################
tr###ount.net/pic/null.jpg

UDP:

Miscellaneous:

Searches for the following windows: