Win32.Expiro.104

To ensure autorun and distribution:

Creates the following services:

[<HKLM>\SYSTEM\ControlSet001\Services\NetDDE] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\MSIServer] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\mnmsrvc] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\RDSessMgr] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\WmiApSrv] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\VSS] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\TlntSvr] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\idsvc] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\clr_optimization_v2.0.50727_32] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\ClipSrv] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\CiSvc] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\clr_optimization_v4.0.30319_32] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\ImapiService] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\dmadmin] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\COMSysApp] 'Start' = '00000002'

Changes the following executable system files:

<SYSTEM32>\vssvc.exe
<SYSTEM32>\wbem\wmiapsrv.exe
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\WPF\WPFFontCache_v0400.exe
<SYSTEM32>\ups.exe
<SYSTEM32>\scardsvr.exe
<SYSTEM32>\smlogsvc.exe
<SYSTEM32>\tlntsvr.exe
<SYSTEM32>\magnify.exe
<SYSTEM32>\mobsync.exe
<SYSTEM32>\tourstart.exe
<SYSTEM32>\rcimlby.exe
<SYSTEM32>\notepad.exe
<SYSTEM32>\narrator.exe
<SYSTEM32>\osk.exe
<SYSTEM32>\utilman.exe
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
<SYSTEM32>\dllhost.exe
<SYSTEM32>\dmadmin.exe
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\mscorsvw.exe
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\aspnet_state.exe
<SYSTEM32>\cisvc.exe
<SYSTEM32>\clipsrv.exe
<SYSTEM32>\imapi.exe
<SYSTEM32>\netdde.exe
<SYSTEM32>\sessmgr.exe
<SYSTEM32>\locator.exe
<SYSTEM32>\msiexec.exe
%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\infocard.exe
<SYSTEM32>\mnmsrvc.exe
<SYSTEM32>\msdtc.exe

Infects the following executable files:

<SYSTEM32>\magnify.exe
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\WPF\WPFFontCache_v0400.exe
<SYSTEM32>\osk.exe
<SYSTEM32>\narrator.exe
<SYSTEM32>\ups.exe
<SYSTEM32>\tlntsvr.exe
<SYSTEM32>\wbem\wmiapsrv.exe
<SYSTEM32>\vssvc.exe
<SYSTEM32>\utilman.exe
%PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE
<SYSTEM32>\tourstart.exe
<SYSTEM32>\rcimlby.exe
%PROGRAM_FILES%\Outlook Express\msimn.exe
%PROGRAM_FILES%\Windows Media Player\wmplayer.exe
%PROGRAM_FILES%\Outlook Express\wab.exe
<SYSTEM32>\mobsync.exe
<SYSTEM32>\notepad.exe
<SYSTEM32>\dllhost.exe
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
<SYSTEM32>\imapi.exe
<SYSTEM32>\dmadmin.exe
<SYSTEM32>\cisvc.exe
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\aspnet_state.exe
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\mscorsvw.exe
<SYSTEM32>\clipsrv.exe
%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\infocard.exe
<SYSTEM32>\locator.exe
<SYSTEM32>\sessmgr.exe
<SYSTEM32>\smlogsvc.exe
<SYSTEM32>\scardsvr.exe
<SYSTEM32>\msdtc.exe
<SYSTEM32>\mnmsrvc.exe
<SYSTEM32>\netdde.exe
<SYSTEM32>\msiexec.exe

Malicious functions:

Executes the following:

Modifies file system :

Creates the following files:

<SYSTEM32>\njhdbefg.tmp
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\WPF\fdeliipb.tmp
<SYSTEM32>\gicjhbco.tmp
<SYSTEM32>\gndfaikn.tmp
<SYSTEM32>\nfdgmlpc.tmp
<SYSTEM32>\fpfhopio.tmp
<SYSTEM32>\wbem\cinnckfo.tmp
<SYSTEM32>\dgacceae.tmp
<SYSTEM32>\lcdhncbb.tmp
%PROGRAM_FILES%\Internet Explorer\fpnofcnd.tmp
<SYSTEM32>\hgagdbaa.tmp
<SYSTEM32>\pcgmfalb.tmp
%PROGRAM_FILES%\Outlook Express\mdkdamab.tmp
%PROGRAM_FILES%\Windows Media Player\gaihghbi.tmp
%PROGRAM_FILES%\Outlook Express\flfaanlc.tmp
<SYSTEM32>\kabenflq.tmp
<SYSTEM32>\iimmdoob.tmp
<SYSTEM32>\bciacpok.tmp
<SYSTEM32>\mijoedma.tmp
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\nlinglki.tmp
%WINDIR%\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{CB0012E6-AADE-4B6E-8D4F-02BA808F16CC}.crmlog
<SYSTEM32>\omoonaik.tmp
<SYSTEM32>\pmbpqpkj.tmp
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\cjpkqeip.tmp
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\fmgdjejg.tmp
<SYSTEM32>\ipblhfdg.tmp
<SYSTEM32>\lgpljlph.tmp
<SYSTEM32>\pphdgeko.tmp
<SYSTEM32>\fcnkhphi.tmp
<SYSTEM32>\nkjfalpd.tmp
<SYSTEM32>\akadllkn.tmp
<SYSTEM32>\aigcbigl.tmp
%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\jkpphiqj.tmp
<SYSTEM32>\ekednpkg.tmp
<SYSTEM32>\lhlijfdc.tmp

Deletes the following files:

<SYSTEM32>\njhdbefg.tmp
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\WPF\fdeliipb.tmp
<SYSTEM32>\gicjhbco.tmp
<SYSTEM32>\gndfaikn.tmp
<SYSTEM32>\nfdgmlpc.tmp
<SYSTEM32>\fpfhopio.tmp
<SYSTEM32>\wbem\cinnckfo.tmp
<SYSTEM32>\dgacceae.tmp
<SYSTEM32>\lcdhncbb.tmp
%PROGRAM_FILES%\Internet Explorer\fpnofcnd.tmp
<SYSTEM32>\hgagdbaa.tmp
<SYSTEM32>\pcgmfalb.tmp
%PROGRAM_FILES%\Outlook Express\mdkdamab.tmp
%PROGRAM_FILES%\Windows Media Player\gaihghbi.tmp
%PROGRAM_FILES%\Outlook Express\flfaanlc.tmp
<SYSTEM32>\kabenflq.tmp
<SYSTEM32>\iimmdoob.tmp
<SYSTEM32>\bciacpok.tmp
<SYSTEM32>\mijoedma.tmp
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\nlinglki.tmp
<SYSTEM32>\omoonaik.tmp
%WINDIR%\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{BF4C4D5C-6924-41E8-9BF1-DCC37DF6F31D}.crmlog
<SYSTEM32>\pmbpqpkj.tmp
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\cjpkqeip.tmp
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\fmgdjejg.tmp
<SYSTEM32>\ipblhfdg.tmp
<SYSTEM32>\lgpljlph.tmp
<SYSTEM32>\pphdgeko.tmp
<SYSTEM32>\fcnkhphi.tmp
<SYSTEM32>\nkjfalpd.tmp
<SYSTEM32>\akadllkn.tmp
<SYSTEM32>\aigcbigl.tmp
%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\jkpphiqj.tmp
<SYSTEM32>\ekednpkg.tmp
<SYSTEM32>\lhlijfdc.tmp

Miscellaneous:

Searches for the following windows: