Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /U'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /O'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiagie' = '%HOMEPATH%\yiagie.exe /S'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\svchost.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Bloc-notes.exe
- <Drive name for removable media>:\Passwords_backup.exe
- <Drive name for removable media>:\RCX7.tmp
- <Drive name for removable media>:\RCX8.tmp
- <Drive name for removable media>:\RCXB.tmp
- <Drive name for removable media>:\Secret_backup.exe
- <Drive name for removable media>:\RCX11.tmp
- <Drive name for removable media>:\Porn_backup.exe
- <Drive name for removable media>:\RCXE.tmp
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\yiagie.exe
- <Drive name for removable media>:\RCX1.tmp
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX2.tmp
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- '%HOMEPATH%\yiagie.exe'
- '%TEMP%\svchost.exe'
- '%TEMP%\xaiqau.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\tkgmcg1p.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESD.tmp" "%TEMP%\vbcC.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES10.tmp" "%TEMP%\vbcF.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES13.tmp" "%TEMP%\vbc12.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\0swgad5k.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES5.tmp" "%TEMP%\vbc4.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\xo5uqlqi.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\g9djpds4.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\haonppmt.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESA.tmp" "%TEMP%\vbc9.tmp"
Modifies file system :
Creates the following files:
- %TEMP%\RESD.tmp
- %TEMP%\vbcC.tmp
- %TEMP%\WUpYvu.resources
- %TEMP%\tkgmcg1p.0.vb
- %TEMP%\YxxURudEK.resources
- %TEMP%\beCKIKjtC.resources
- %TEMP%\NQYrmuAz.resources
- %TEMP%\haonppmt.0.vb
- %TEMP%\haonppmt.out
- %TEMP%\haonppmt.cmdline
- %TEMP%\0swgad5k.0.vb
- %TEMP%\CFYS.resources
- %TEMP%\0swgad5k.cmdline
- %TEMP%\vbc12.tmp
- %TEMP%\0swgad5k.out
- %TEMP%\tkgmcg1p.out
- %TEMP%\tkgmcg1p.cmdline
- %TEMP%\vbcF.tmp
- %TEMP%\eipNXerCE.resources
- %TEMP%\RES10.tmp
- %TEMP%\windowsupdate.ico
- %TEMP%\xo5uqlqi.0.vb
- %TEMP%\MSNPSharp.dll
- %TEMP%\xo5uqlqi.cmdline
- %TEMP%\vbc4.tmp
- %TEMP%\xo5uqlqi.out
- %TEMP%\xaiqau.exe
- %TEMP%\rZn.resources
- %TEMP%\svchost.exe
- %TEMP%\kIm2iQ64.resources
- %HOMEPATH%\yiagie.exe
- %TEMP%\g9djpds4.cmdline
- %TEMP%\g9djpds4.0.vb
- %TEMP%\g9djpds4.out
- %TEMP%\RESA.tmp
- %TEMP%\vbc9.tmp
- %TEMP%\xo5uqlqi.exe
- %TEMP%\RES5.tmp
- %TEMP%\lBH.resources
- %TEMP%\whatdafock.txt
- %TEMP%\GvYNKQI.resources
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\yiagie.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\yiagie.exe
Deletes the following files:
- %TEMP%\NQYrmuAz.resources
- %TEMP%\haonppmt.out
- <Drive name for removable media>:\Porn_backup.exe
- %TEMP%\beCKIKjtC.resources
- %TEMP%\vbcC.tmp
- %TEMP%\RESD.tmp
- %TEMP%\haonppmt.cmdline
- %TEMP%\haonppmt.0.vb
- %TEMP%\RES10.tmp
- %TEMP%\YxxURudEK.resources
- %TEMP%\WUpYvu.resources
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\Secret_backup.exe
- %TEMP%\tkgmcg1p.0.vb
- %TEMP%\vbcF.tmp
- %TEMP%\tkgmcg1p.out
- %TEMP%\tkgmcg1p.cmdline
- %TEMP%\windowsupdate.ico
- %TEMP%\xo5uqlqi.cmdline
- %TEMP%\vbc4.tmp
- %TEMP%\xo5uqlqi.0.vb
- %TEMP%\xo5uqlqi.out
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Sexy.exe
- %TEMP%\RES5.tmp
- <Drive name for removable media>:\Passwords.exe
- %TEMP%\xo5uqlqi.exe
- %TEMP%\lBH.resources
- %TEMP%\g9djpds4.out
- <Drive name for removable media>:\Passwords_backup.exe
- %TEMP%\GvYNKQI.resources
- %TEMP%\vbc9.tmp
- %TEMP%\RESA.tmp
- %TEMP%\g9djpds4.0.vb
- %TEMP%\g9djpds4.cmdline
Network activity:
Connects to:
- '17#.#3.169.14':80
- 'ns#.##ayer1352.com':8000
UDP:
- DNS ASK ns#.##ayer1352.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'