Win32.Expiro.66

Technical Information

To ensure autorun and distribution:

Creates the following services:

[<HKLM>\SYSTEM\ControlSet001\Services\RDSessMgr] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\NetDDE] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\MSIServer] '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\idsvc] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\dmadmin] 'Start' = '00000002'
[<HKLM>\SYSTEM\ControlSet001\Services\clr_optimization_v4.0.30319_32] 'Start' = '00000002'

Infects the following executable system files:

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

Malicious functions:

Executes the following:

'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {03F2ADFA-D5E4-47E6-985E-F99B9D04584A} -Comment "NGen Worker Process"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {6E4D6CF6-058F-466C-B8F7-D7AC7E71C87D} -Comment "NGen Worker Process"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {6918F8C1-ED0A-4744-817E-A901374497CF} -Comment "NGen Worker Process"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {B2F1A38B-7ED0-4468-8701-5D7D2AF45998} -Comment "NGen Worker Process"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {116309D9-2A80-461F-9EE7-87BA11D5FF15} -Comment "NGen Worker Process"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {AA867BBF-C095-41DE-A287-C5EB1783B53D} -Comment "NGen Worker Process"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {685C11AB-A8B6-44E0-B4DD-4108E2450A8F} -Comment "NGen Worker Process"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {21B20114-4028-4D82-B495-E8AFBC4171E1} -Comment "NGen Worker Process"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {10051359-5022-4544-8868-1EE474190A5B} -Comment "NGen Worker Process"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {6B83BF96-DA3E-4445-89A9-444C7999D060} -Comment "NGen Worker Process"
'<SYSTEM32>\dmadmin.exe' /com
'%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\v2.0.50727\mscorsvw.exe'
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {9EB71F3E-A79C-4077-9CF4-4AC16E2EEAB1} -Comment "NGen Worker Process"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {A7EC16DB-9F9E-474A-B323-51DCD71D65FA} -Comment "NGen Worker Process"
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {DFD56B71-D843-4FFD-931F-2874A816DEF9} -Comment "NGen Worker Process"
'<SYSTEM32>\vssvc.exe'
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe' -UseCLSID {5974FDE9-650C-42B7-92FC-CDB1A3D2B0B0} -Comment "NGen Worker Process"

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>\ntbackup.vir
<SYSTEM32>\usmt\migwiz.vir
<SYSTEM32>\sndvol32.vir
<SYSTEM32>\mspaint.vir
%PROGRAM_FILES%\Windows NT\Accessories\wordpad.vir
<SYSTEM32>\odbcad32.vir
%CommonProgramFiles%\Microsoft Shared\MSInfo\msinfo32.vir
<SYSTEM32>\Restore\rstrui.vir
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\{571d7B73-b934-cf2d-b846-20687f011a38}\chrome\content.jar
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\{571d7B73-b934-cf2d-b846-20687f011a38}\components\rooka.js
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\{571d7B73-b934-cf2d-b846-20687f011a38}\chrome.manifest
%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions\{571d7B73-b934-cf2d-b846-20687f011a38}\install.rdf
<SYSTEM32>\mstsc.vir
<SYSTEM32>\sndrec32.vir
<SYSTEM32>\accwiz.vir
<SYSTEM32>\calc.vir
<SYSTEM32>\mshearts.vir
%WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\cdc-0\Microsoft.Build.Framework.dll
%WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\d00-0\System.Xaml.dll
%CommonProgramFiles%\Microsoft Shared\Speech\sapisvr.vir
%WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\cb8-0\MSBuild.exe
%WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\d98-0\SMSvcHost.exe
%WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\de4-0\WsatConfig.exe
%WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\d24-0\Microsoft.Build.dll
%WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\d4c-0\Microsoft.Build.Engine.dll
%PROGRAM_FILES%\MSN\MSNCoreFiles\Install\msnsusii.vir
%PROGRAM_FILES%\Movie Maker\moviemk.vir
<SYSTEM32>\sol.vir
<SYSTEM32>\spider.vir
%CommonProgramFiles%\Microsoft Shared\DW\DW20.vir
%CommonProgramFiles%\Microsoft Shared\DW\DWTRIG20.vir
<SYSTEM32>\wupdmgr.vir
C:\Far2\Far.vir
%TEMP%\WERb856.dir00\infocard.exe.hdmp
%TEMP%\WERb856.dir00\appcompat.txt
<SYSTEM32>\imapi.vir
%TEMP%\WERb856.dir00\infocard.exe.mdmp
<SYSTEM32>\msiexec.vir
<SYSTEM32>\netdde.vir
%TEMP%\WERb856.dir00\manifest.txt
<SYSTEM32>\mnmsrvc.vir
<SYSTEM32>\cisvc.vir
<SYSTEM32>\clipsrv.vir
<SYSTEM32>\d3d8caps.dat
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\aspnet_state.vir
<SYSTEM32>\dmadmin.vir
%WINDIR%\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\infocard.vir
%WINDIR%\Microsoft.NET\Framework\v2.0.50727\mscorsvw.vir
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\mscorsvw.vir
<SYSTEM32>\sessmgr.vir
<SYSTEM32>\utilman.vir
%PROGRAM_FILES%\Outlook Express\wab.vir
<SYSTEM32>\narrator.vir
<SYSTEM32>\osk.vir
%PROGRAM_FILES%\Outlook Express\msimn.vir
<LS_APPDATA>\wsr30zt32.dll
%PROGRAM_FILES%\Windows Media Player\wmplayer.vir
<SYSTEM32>\mobsync.vir
<SYSTEM32>\smlogsvc.vir
<SYSTEM32>\tlntsvr.vir
<SYSTEM32>\locator.vir
<SYSTEM32>\scardsvr.vir
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\WPF\wpffontcache_v0400.vir
<SYSTEM32>\magnify.vir
<SYSTEM32>\vssvc.vir
<SYSTEM32>\wbem\wmiapsrv.vir

Deletes the following files:

<SYSTEM32>\usmt\migwiz.vir
<SYSTEM32>\ntbackup.vir
<SYSTEM32>\mspaint.vir
%PROGRAM_FILES%\Windows NT\Accessories\wordpad.vir
<SYSTEM32>\Restore\rstrui.vir
%CommonProgramFiles%\Microsoft Shared\MSInfo\msinfo32.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
%CommonProgramFiles%\Microsoft Shared\DW\DWTRIG20.vir
%CommonProgramFiles%\Microsoft Shared\DW\DW20.vir
C:\Far2\Far.vir
%WINDIR%\assembly\NativeImages_v4.0.30319_32\index1c.dat
%WINDIR%\assembly\NativeImages_v4.0.30319_32\index1b.dat
%CommonProgramFiles%\Microsoft Shared\Speech\sapisvr.vir
<SYSTEM32>\wupdmgr.vir
<SYSTEM32>\sol.vir
<SYSTEM32>\mshearts.vir
<SYSTEM32>\odbcad32.vir
%PROGRAM_FILES%\Movie Maker\moviemk.vir
%PROGRAM_FILES%\MSN\MSNCoreFiles\Install\msnsusii.vir
<SYSTEM32>\spider.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
%WINDIR%\Microsoft.NET\Framework\v4.0.30319\WPF\wpffontcache_v0400.vir
<SYSTEM32>\tlntsvr.vir
<SYSTEM32>\smlogsvc.vir
<SYSTEM32>\scardsvr.vir
<SYSTEM32>\magnify.vir
<SYSTEM32>\wbem\wmiapsrv.vir
<SYSTEM32>\vssvc.vir

Moves the following files:

from %WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\d4c-0\Microsoft.Build.Engine.dll to %WINDIR%\assembly\NativeImages_v4.0.30319_32\Microsoft.Build.Eng#\7cfd4a64a95807ee7cb6ae50cfabd93c\Microsoft.Build.Engine.ni.dll
from %WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\d98-0\SMSvcHost.exe to %WINDIR%\assembly\NativeImages_v4.0.30319_32\SMSvcHost\38f0d77629891e7808424103aaef0728\SMSvcHost.ni.exe
from %WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\de4-0\WsatConfig.exe to %WINDIR%\assembly\NativeImages_v4.0.30319_32\WsatConfig\3c0d21e75c9a48aba6fba3ddff0fcf39\WsatConfig.ni.exe
from %WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\d24-0\Microsoft.Build.dll to %WINDIR%\assembly\NativeImages_v4.0.30319_32\Microsoft.Build\3bfb841477d28ca866b91211f50199bb\Microsoft.Build.ni.dll
from %WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\cb8-0\MSBuild.exe to %WINDIR%\assembly\NativeImages_v4.0.30319_32\MSBuild\aa25092606e5e9826db7a7bd0adb9b2b\MSBuild.ni.exe
from %WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\cdc-0\Microsoft.Build.Framework.dll to %WINDIR%\assembly\NativeImages_v4.0.30319_32\Microsoft.Build.Fra#\11ef4be6ee227fce3725d6df534297a4\Microsoft.Build.Framework.ni.dll
from %WINDIR%\assembly\NativeImages_v4.0.30319_32\Temp\d00-0\System.Xaml.dll to %WINDIR%\assembly\NativeImages_v4.0.30319_32\System.Xaml\035910922f160d304fb834aae41f45a6\System.Xaml.ni.dll

Miscellaneous:

Searches for the following windows:

ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'SysListView32' 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