Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %TEMP%\rarsfx0\000.tmp
Malicious functions
Executes the following
- '%WINDIR%\syswow64\taskkill.exe' /f /im svchost.exe
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\wudfhost.exe
Modifies file system
Creates the following files
- %TEMP%\aut2404.tmp
- %TEMP%\rarsfx0\#\003.tmp
- %TEMP%\rarsfx0\#\004.tmp
- %TEMP%\rarsfx0\#\005.tmp
- %TEMP%\rarsfx0\#\006.tmp
- %TEMP%\rarsfx0\#\007.tmp
- %TEMP%\rarsfx0\#\008.tmp
- %TEMP%\rarsfx0\#\010.tmp
- %TEMP%\rarsfx0\#\011.tmp
- %TEMP%\rarsfx0\#\013.tmp
- %TEMP%\rarsfx0\#\014.tmp
- %TEMP%\rarsfx0\#\016.tmp
- %TEMP%\rarsfx0\017.tmp
- %TEMP%\rarsfx0\#\017.tmp
- %TEMP%\rarsfx0\#\019.tmp
- %TEMP%\rarsfx0\#\020.tmp
- %TEMP%\rarsfx0\#\installer.bat
- %TEMP%\rarsfx0\#\run.vbs
- %TEMP%\rarsfx0\7z.exe
- %TEMP%\rarsfx0\7z.dll
- %TEMP%\rarsfx0\default.sfx
- %TEMP%\rarsfx0\rar.exe
- %TEMP%\rarsfx0\sfx.conf
- %TEMP%\rarsfx0\script.001
- %TEMP%\rarsfx0\script.003
- %TEMP%\rarsfx0\032.tmp
- %TEMP%\rarsfx0\#\002.tmp
- %TEMP%\rarsfx0\000.tmp
- nul
- %TEMP%\rarsfx0\015.tmp
- %TEMP%\rarsfx0\002.tmp
- %TEMP%\rarsfx0\003.tmp
- %TEMP%\rarsfx0\004.tmp
- %TEMP%\rarsfx0\005.tmp
- %TEMP%\rarsfx0\006.tmp
- %TEMP%\rarsfx0\007.tmp
- %TEMP%\rarsfx0\008.tmp
- %TEMP%\rarsfx0\010.tmp
- %TEMP%\rarsfx0\011.tmp
- %TEMP%\rarsfx0\013.tmp
- %TEMP%\rarsfx0\014.tmp
- %TEMP%\rarsfx0\script.005
- %TEMP%\rarsfx0\#\018.tmp
- %TEMP%\rarsfx0\016.tmp
- %TEMP%\rarsfx0\019.tmp
- %TEMP%\rarsfx0\020.tmp
- %TEMP%\rarsfx0\installer.bat
- %TEMP%\rarsfx0\run.vbs
- %TEMP%\rarsfx0\setup
- %TEMP%\rarsfx0\007.bat
- %TEMP%\rarsfx0\001.tmp
- %TEMP%\rarsfx0\009.tmp
- %TEMP%\rarsfx0\32.tmp
- %TEMP%\rarsfx0\012.tmp
- %TEMP%\rarsfx0\64.tmp
- %TEMP%\lychkbyvgiaayahwssr.exe
- %TEMP%\rarsfx0\018.tmp
- %TEMP%\rarsfx0\aut.exe
Sets the 'hidden' attribute to the following files
- C:\appcache\x86\svchost.exe
Deletes the following files
- %TEMP%\aut2404.tmp
Moves the following files
- from %TEMP%\rarsfx0\001.tmp to C:\dokumente und einstellungen\user\startmenue\programme\autostart\svchost.exe
- from %TEMP%\rarsfx0\032.tmp to C:\appcache\x86\svchost.exe
Substitutes the following files
- %TEMP%\rarsfx0\000.tmp
Miscellaneous
Searches for the following windows
- ClassName: 'EDIT' WindowName: ''
- ClassName: '' WindowName: ''
- ClassName: '' WindowName: 'View Available Networks'
Creates and executes the following
- '%TEMP%\lychkbyvgiaayahwssr.exe' -p1362511581980627439209892770194281934729235183462392117162848738471995421501925819622214029998206185104226562892032193
- '%WINDIR%\syswow64\wscript.exe' "%TEMP%\RarSFX0\run.vbs"
- '%APPDATA%\microsoft\windows\start menu\programs\startup\svchost.exe'
- '%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\RarSFX0\installer.bat" "' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\RarSFX0\installer.bat" "
- '<SYSTEM32>\svchost.exe' -k LocalServiceNetworkRestricted
- '<SYSTEM32>\svchost.exe' -k DcomLaunch
- '<SYSTEM32>\svchost.exe' -k RPCSS
- '<SYSTEM32>\svchost.exe' -k netsvcs
- '%WINDIR%\syswow64\cmd.exe' /S /D /c" VER "
- '%WINDIR%\syswow64\findstr.exe' /L "5."
- '%WINDIR%\syswow64\findstr.exe' /L "6."
- '%WINDIR%\syswow64\attrib.exe' +s +h C:\AppCache\x86
- '%WINDIR%\syswow64\attrib.exe' +s +h C:\AppCache
- '%WINDIR%\syswow64\attrib.exe' +h "C:\AppCache\x86\svchost.exe"
