Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MFC' = '%APPDATA%\Microsoft\MFC private spy viewer.exe'
Modifies file system
Creates the following files
- %TEMP%\mfc private spy viewer.exe
- %TEMP%\res2ef2.tmp
- %TEMP%\vbc2ef1.tmp
- %TEMP%\tym0qarg.out
- %TEMP%\tym0qarg.cmdline
- %TEMP%\tym0qarg.1.vb
- %TEMP%\tym0qarg.0.vb
- %TEMP%\clr.exe
- %TEMP%\clr.txt
- %TEMP%\vtrcqfc_.exe
- %TEMP%\resea9.tmp
- %TEMP%\vbcea8.tmp
- %TEMP%\clr.bat
- %TEMP%\vtrcqfc_.out
- %TEMP%\vtrcqfc_.9.vb
- %TEMP%\vtrcqfc_.8.vb
- %TEMP%\vtrcqfc_.7.vb
- %TEMP%\vtrcqfc_.6.vb
- %TEMP%\vtrcqfc_.5.vb
- %TEMP%\vtrcqfc_.4.vb
- %TEMP%\vtrcqfc_.3.vb
- %TEMP%\vtrcqfc_.2.vb
- %TEMP%\vtrcqfc_.1.vb
- %TEMP%\vtrcqfc_.0.vb
- %TEMP%\server 4.1.exe
- %TEMP%\vtrcqfc_.cmdline
- %APPDATA%\microsoft\mfc private spy viewer.exe
Deletes the following files
- %TEMP%\resea9.tmp
- %TEMP%\tym0qarg.0.vb
- %TEMP%\tym0qarg.1.vb
- %TEMP%\vbc2ef1.tmp
- %TEMP%\res2ef2.tmp
- %TEMP%\clr.exe
- %TEMP%\vtrcqfc_.3.vb
- %TEMP%\vtrcqfc_.5.vb
- %TEMP%\vtrcqfc_.0.vb
- %TEMP%\vtrcqfc_.9.vb
- %TEMP%\vtrcqfc_.6.vb
- %TEMP%\vtrcqfc_.1.vb
- %TEMP%\vtrcqfc_.cmdline
- %TEMP%\vtrcqfc_.7.vb
- %TEMP%\vtrcqfc_.4.vb
- %TEMP%\vtrcqfc_.2.vb
- %TEMP%\vtrcqfc_.8.vb
- %TEMP%\vtrcqfc_.out
- %TEMP%\vtrcqfc_.exe
- %TEMP%\vbcea8.tmp
- %TEMP%\tym0qarg.cmdline
- %TEMP%\tym0qarg.out
Substitutes the following files
- %TEMP%\clr.exe
Network activity
UDP
- DNS ASK sc###.hopto.org
Miscellaneous
Creates and executes the following
- '%TEMP%\mfc private spy viewer.exe'
- '%TEMP%\server 4.1.exe'
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\vtrcqfc_.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESEA9.tmp" "%TEMP%\vbcEA8.tmp"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\tym0qarg.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2EF2.tmp" "%TEMP%\vbc2EF1.tmp"' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\vtrcqfc_.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESEA9.tmp" "%TEMP%\vbcEA8.tmp"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\tym0qarg.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2EF2.tmp" "%TEMP%\vbc2EF1.tmp"
- '%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\clr.bat""
