Win32.Expiro.81

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

Changes the following executable system files:

<SYSTEM32>\mstsc.exe
<SYSTEM32>\calc.exe
<SYSTEM32>\sndrec32.exe
<SYSTEM32>\mspaint.exe
<SYSTEM32>\sndvol32.exe
<SYSTEM32>\osk.exe
<SYSTEM32>\narrator.exe
<SYSTEM32>\utilman.exe
<SYSTEM32>\accwiz.exe
<SYSTEM32>\mobsync.exe
<SYSTEM32>\mshearts.exe
<SYSTEM32>\freecell.exe
<SYSTEM32>\sol.exe
<SYSTEM32>\wupdmgr.exe
<SYSTEM32>\spider.exe
<SYSTEM32>\charmap.exe
<SYSTEM32>\ntbackup.exe
<SYSTEM32>\usmt\migwiz.exe
<SYSTEM32>\odbcad32.exe
<SYSTEM32>\Restore\rstrui.exe
%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\infocard.exe
<SYSTEM32>\dmadmin.exe
<SYSTEM32>\imapi.exe
<SYSTEM32>\msiexec.exe
<SYSTEM32>\mnmsrvc.exe
<SYSTEM32>\cisvc.exe
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\aspnet_state.exe
<SYSTEM32>\clipsrv.exe
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\mscorsvw.exe
<SYSTEM32>\vssvc.exe
<SYSTEM32>\tlntsvr.exe
<SYSTEM32>\wbem\wmiapsrv.exe
<SYSTEM32>\magnify.exe
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\WPF\WPFFontCache_v0400.exe
<SYSTEM32>\sessmgr.exe
<SYSTEM32>\netdde.exe
<SYSTEM32>\locator.exe
<SYSTEM32>\smlogsvc.exe
<SYSTEM32>\scardsvr.exe

Infects the following executable files:

<SYSTEM32>\charmap.exe
<SYSTEM32>\ntbackup.exe
<SYSTEM32>\mspaint.exe
<SYSTEM32>\Restore\rstrui.exe
%CommonProgramFiles%\Microsoft Shared\MSInfo\msinfo32.exe
<SYSTEM32>\usmt\migwiz.exe
<SYSTEM32>\calc.exe
<SYSTEM32>\accwiz.exe
%PROGRAM_FILES%\Outlook Express\msimn.exe
<SYSTEM32>\sndvol32.exe
<SYSTEM32>\sndrec32.exe
<SYSTEM32>\mstsc.exe
%PROGRAM_FILES%\Windows NT\Accessories\wordpad.exe
C:\Far2\Far.exe
<SYSTEM32>\wupdmgr.exe
%PROGRAM_FILES%\Movie Maker\moviemk.exe
%CommonProgramFiles%\Microsoft Shared\Speech\sapisvr.exe
%CommonProgramFiles%\Microsoft Shared\DW\DWTRIG20.EXE
%CommonProgramFiles%\Microsoft Shared\DW\DW20.EXE
<SYSTEM32>\mshearts.exe
<SYSTEM32>\freecell.exe
<SYSTEM32>\odbcad32.exe
%PROGRAM_FILES%\MSN\MSNCoreFiles\Install\msnsusii.exe
<SYSTEM32>\spider.exe
<SYSTEM32>\sol.exe
<SYSTEM32>\mobsync.exe
<SYSTEM32>\mnmsrvc.exe
<SYSTEM32>\imapi.exe
%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\infocard.exe
<SYSTEM32>\sessmgr.exe
<SYSTEM32>\netdde.exe
<SYSTEM32>\msiexec.exe
<SYSTEM32>\clipsrv.exe
<SYSTEM32>\cisvc.exe
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\aspnet_state.exe
<SYSTEM32>\dmadmin.exe
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\mscorsvw.exe
<SYSTEM32>\locator.exe
<SYSTEM32>\osk.exe
<SYSTEM32>\narrator.exe
<SYSTEM32>\magnify.exe
%PROGRAM_FILES%\Windows Media Player\wmplayer.exe
%PROGRAM_FILES%\Outlook Express\wab.exe
<SYSTEM32>\utilman.exe
<SYSTEM32>\tlntsvr.exe
<SYSTEM32>\smlogsvc.exe
<SYSTEM32>\scardsvr.exe
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\WPF\WPFFontCache_v0400.exe
<SYSTEM32>\wbem\wmiapsrv.exe
<SYSTEM32>\vssvc.exe

Malicious functions:

Executes the following:

'%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\infocard.exe'
'<SYSTEM32>\msiexec.exe' /V
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {7AC40532-9FDC-4A77-8E2E-290139664436} -Comment "NGen Worker Process"
'<SYSTEM32>\dmadmin.exe' /com
'<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] '2103' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1406' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1609' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1609' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1609' = '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\2] '2103' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1609' = '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\1] '1406' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '1406' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '1609' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '2103' = '00000000'

Modifies file system :

Creates the following files:

<SYSTEM32>\sndvol32.vir
<SYSTEM32>\sndrec32.vir
<SYSTEM32>\mstsc.vir
<SYSTEM32>\mspaint.vir
<SYSTEM32>\usmt\migwiz.vir
<SYSTEM32>\charmap.vir
<SYSTEM32>\ntbackup.vir
<SYSTEM32>\calc.vir
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\{571c7873-cd35-cf2d-b846-20687f011a38}\chrome.manifest
<LS_APPDATA>\wsr30zt32.dll
%PROGRAM_FILES%\Outlook Express\msimn.vir
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\{571c7873-cd35-cf2d-b846-20687f011a38}\install.rdf
<SYSTEM32>\accwiz.vir
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\{571c7873-cd35-cf2d-b846-20687f011a38}\components\rooka.js
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\{571c7873-cd35-cf2d-b846-20687f011a38}\chrome\content.jar
<SYSTEM32>\wupdmgr.vir
%PROGRAM_FILES%\Movie Maker\moviemk.vir
%PROGRAM_FILES%\MSN\MSNCoreFiles\Install\msnsusii.vir
C:\Far2\Far.vir
%CommonProgramFiles%\Microsoft Shared\Speech\sapisvr.vir
%CommonProgramFiles%\Microsoft Shared\DW\DWTRIG20.vir
%CommonProgramFiles%\Microsoft Shared\DW\DW20.vir
<SYSTEM32>\spider.vir
%PROGRAM_FILES%\Windows NT\Accessories\wordpad.vir
<SYSTEM32>\Restore\rstrui.vir
%CommonProgramFiles%\Microsoft Shared\MSInfo\msinfo32.vir
<SYSTEM32>\odbcad32.vir
<SYSTEM32>\sol.vir
<SYSTEM32>\mshearts.vir
<SYSTEM32>\freecell.vir
%TEMP%\WER57e1.dir00\appcompat.txt
%TEMP%\WER57e1.dir00\infocard.exe.hdmp
%TEMP%\WER57e1.dir00\infocard.exe.mdmp
%TEMP%\WER57e1.dir00\manifest.txt
<SYSTEM32>\netdde.vir
<SYSTEM32>\msiexec.vir
<SYSTEM32>\mnmsrvc.vir
<SYSTEM32>\imapi.vir
<SYSTEM32>\clipsrv.vir
<SYSTEM32>\cisvc.vir
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\aspnet_state.vir
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\mscorsvw.vir
%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\infocard.vir
<SYSTEM32>\dmadmin.vir
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.vir
<SYSTEM32>\osk.vir
<SYSTEM32>\narrator.vir
<SYSTEM32>\magnify.vir
<SYSTEM32>\utilman.vir
<SYSTEM32>\mobsync.vir
%PROGRAM_FILES%\Windows Media Player\wmplayer.vir
%PROGRAM_FILES%\Outlook Express\wab.vir
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\WPF\wpffontcache_v0400.vir
<SYSTEM32>\scardsvr.vir
<SYSTEM32>\locator.vir
<SYSTEM32>\sessmgr.vir
<SYSTEM32>\smlogsvc.vir
<SYSTEM32>\wbem\wmiapsrv.vir
<SYSTEM32>\vssvc.vir
<SYSTEM32>\tlntsvr.vir

Deletes the following files:

<SYSTEM32>\charmap.vir
<SYSTEM32>\ntbackup.vir
<SYSTEM32>\mspaint.vir
<SYSTEM32>\Restore\rstrui.vir
%CommonProgramFiles%\Microsoft Shared\MSInfo\msinfo32.vir
<SYSTEM32>\usmt\migwiz.vir
<SYSTEM32>\sndvol32.vir
<SYSTEM32>\accwiz.vir
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions.sqlite.new
%PROGRAM_FILES%\Outlook Express\msimn.vir
<SYSTEM32>\sndrec32.vir
<SYSTEM32>\mstsc.vir
<SYSTEM32>\calc.vir
C:\Far2\Far.vir
<SYSTEM32>\wupdmgr.vir
%PROGRAM_FILES%\Movie Maker\moviemk.vir
%CommonProgramFiles%\Microsoft Shared\Speech\sapisvr.vir
%CommonProgramFiles%\Microsoft Shared\DW\DWTRIG20.vir
%CommonProgramFiles%\Microsoft Shared\DW\DW20.vir
%PROGRAM_FILES%\MSN\MSNCoreFiles\Install\msnsusii.vir
<SYSTEM32>\freecell.vir
<SYSTEM32>\odbcad32.vir
%PROGRAM_FILES%\Windows NT\Accessories\wordpad.vir
<SYSTEM32>\spider.vir
<SYSTEM32>\sol.vir
<SYSTEM32>\mshearts.vir
<SYSTEM32>\msiexec.vir
<SYSTEM32>\mnmsrvc.vir
<SYSTEM32>\imapi.vir
<SYSTEM32>\locator.vir
<SYSTEM32>\sessmgr.vir
<SYSTEM32>\netdde.vir
%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\infocard.vir
<SYSTEM32>\clipsrv.vir
<SYSTEM32>\cisvc.vir
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\aspnet_state.vir
<SYSTEM32>\dmadmin.vir
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.vir
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\mscorsvw.vir
<SYSTEM32>\utilman.vir
<SYSTEM32>\osk.vir
<SYSTEM32>\narrator.vir
<SYSTEM32>\mobsync.vir
%PROGRAM_FILES%\Windows Media Player\wmplayer.vir
%PROGRAM_FILES%\Outlook Express\wab.vir
<SYSTEM32>\magnify.vir
<SYSTEM32>\tlntsvr.vir
<SYSTEM32>\smlogsvc.vir
<SYSTEM32>\scardsvr.vir
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\WPF\wpffontcache_v0400.vir
<SYSTEM32>\wbem\wmiapsrv.vir
<SYSTEM32>\vssvc.vir

Miscellaneous:

Searches for the following windows:

ClassName: 'Shell_TrayWnd' WindowName: '(null)'

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

アンチウイルスに関する誤解と噂

Technical Information