Win32.Expiro.89

Technical Information

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\ImapiService] '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\idsvc] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\dmadmin] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\COMSysApp] 'Start' = '00000002'

Changes the following executable system files:

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

Infects the following executable files:

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

Malicious functions:

Executes the following:

'%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\infocard.exe'
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {96A77890-CB67-4972-8054-DEFA3681787A} -Comment "NGen Worker Process"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {A97B81A0-0628-4E53-81DD-82E42ACEA1FD} -Comment "NGen Worker Process"
'<SYSTEM32>\dllhost.exe' /Processid:{02D4B3F1-FD88-11D1-960D-00805FC79235}
'<SYSTEM32>\cisvc.exe'
'%WINDIR%\Microsoft.NET\Framework\v2.0.50727\mscorsvw.exe'
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe'

Modifies settings of Windows Internet Explorer:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1406' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1609' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '2103' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2103' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2103' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1406' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1609' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1406' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2103' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1406' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1609' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '1609' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1609' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '2103' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '1406' = '00000000'

Modifies file system :

Creates the following files:

<SYSTEM32>\nfpbpnfh.tmp
%PROGRAM_FILES%\Windows Media Player\gdjdlioa.tmp
<SYSTEM32>\fmqmbngp.tmp
%PROGRAM_FILES%\Internet Explorer\dgbnlmbg.tmp
<SYSTEM32>\leabffci.tmp
%PROGRAM_FILES%\Outlook Express\fmpkkcel.tmp
<SYSTEM32>\nhhfpdaj.tmp
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\WPF\pfkqhlhn.tmp
<SYSTEM32>\ldgapdni.tmp
<SYSTEM32>\aqijdaim.tmp
<SYSTEM32>\cfncfhan.tmp
<SYSTEM32>\lncjookl.tmp
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\{571c7873-cd35-cf2d-b846-20687f011a38}\components\rooka.js
<SYSTEM32>\jgpijieg.tmp
%WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\d34-0\MSBuild.exe
%PROGRAM_FILES%\Windows NT\nccafaqk.tmp
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\{571c7873-cd35-cf2d-b846-20687f011a38}\chrome\content.jar
<SYSTEM32>\fpmbpkfn.tmp
%PROGRAM_FILES%\Outlook Express\npginame.tmp
<LS_APPDATA>\wsr33zt32.dll
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\{571c7873-cd35-cf2d-b846-20687f011a38}\install.rdf
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\{571c7873-cd35-cf2d-b846-20687f011a38}\chrome.manifest
%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\ccnejjfe.tmp
<SYSTEM32>\eqgdpaeo.tmp
<SYSTEM32>\kehmopgg.tmp
<SYSTEM32>\dldnbblp.tmp
%WINDIR%\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{C44CE8F8-5EDF-4169-9571-1190187D1B73}.crmlog
<SYSTEM32>\bhamndkn.tmp
<SYSTEM32>\bnhbhlho.tmp
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\pkfepbkg.tmp
<SYSTEM32>\gahhkqcm.tmp
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\jednhlbo.tmp
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\pcolghhp.tmp
<SYSTEM32>\koihkmnj.tmp
<SYSTEM32>\aopmifog.tmp
<SYSTEM32>\ddbcjfjm.tmp
<SYSTEM32>\wbem\qakmaakn.tmp
<SYSTEM32>\okblanad.tmp
<SYSTEM32>\oopgpllc.tmp
<SYSTEM32>\jmffehdp.tmp
<SYSTEM32>\blnkhepi.tmp
<SYSTEM32>\ljbmfnde.tmp
<SYSTEM32>\imkopcni.tmp
<SYSTEM32>\kbodbope.tmp

Deletes the following files:

<SYSTEM32>\aqijdaim.tmp
<SYSTEM32>\cfncfhan.tmp
%PROGRAM_FILES%\Windows Media Player\gdjdlioa.tmp
%PROGRAM_FILES%\Outlook Express\fmpkkcel.tmp
<SYSTEM32>\ldgapdni.tmp
<SYSTEM32>\wbem\qakmaakn.tmp
<SYSTEM32>\okblanad.tmp
<SYSTEM32>\nhhfpdaj.tmp
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\WPF\pfkqhlhn.tmp
<SYSTEM32>\nfpbpnfh.tmp
<SYSTEM32>\lncjookl.tmp
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions.sqlite.new
%PROGRAM_FILES%\Windows NT\nccafaqk.tmp
<SYSTEM32>\jgpijieg.tmp
<SYSTEM32>\fpmbpkfn.tmp
<SYSTEM32>\leabffci.tmp
<SYSTEM32>\fmqmbngp.tmp
%PROGRAM_FILES%\Outlook Express\npginame.tmp
%PROGRAM_FILES%\Internet Explorer\dgbnlmbg.tmp
<SYSTEM32>\ddbcjfjm.tmp
<SYSTEM32>\eqgdpaeo.tmp
<SYSTEM32>\bhamndkn.tmp
<SYSTEM32>\kehmopgg.tmp
%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\ccnejjfe.tmp
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\jednhlbo.tmp
<SYSTEM32>\bnhbhlho.tmp
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\pkfepbkg.tmp
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\pcolghhp.tmp
<SYSTEM32>\gahhkqcm.tmp
%WINDIR%\Registration\{02D4B3F1-FD88-11D1-960D-00805FC79235}.{BF4C4D5C-6924-41E8-9BF1-DCC37DF6F31D}.crmlog
<SYSTEM32>\oopgpllc.tmp
<SYSTEM32>\imkopcni.tmp
<SYSTEM32>\koihkmnj.tmp
<SYSTEM32>\aopmifog.tmp
<SYSTEM32>\kbodbope.tmp
<SYSTEM32>\blnkhepi.tmp
<SYSTEM32>\dldnbblp.tmp
<SYSTEM32>\ljbmfnde.tmp
<SYSTEM32>\jmffehdp.tmp

Miscellaneous:

Searches for the following windows:

ClassName: 'Shell_TrayWnd' WindowName: ''

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Technical Information