Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /F'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /W'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'kybop' = '%HOMEPATH%\kybop.exe /B'
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>:\RCX8.tmp
- <Drive name for removable media>:\Bloc-notes.exe
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\RCX7.tmp
- <Drive name for removable media>:\kybop_backup.exe
- <Drive name for removable media>:\RCX11.tmp
- <Drive name for removable media>:\RCX14.tmp
- <Drive name for removable media>:\RCXB.tmp
- <Drive name for removable media>:\RCXE.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>:\kybop.exe
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX4.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%\kybop.exe'
- '%TEMP%\svchost.exe'
- '%TEMP%\yuohu.exe'
Executes the following:
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\dlbsvya6.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%\bkr7gsr7.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RES2.tmp" "%TEMP%\vbc1.tmp"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\dmvcjbh8.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\xss5vxnr.cmdline"
- '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' /noconfig @"%TEMP%\h6zygr0u.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%\LYmYF.resources
- %TEMP%\dlbsvya6.0.vb
- %TEMP%\xMz.resources
- %TEMP%\HIBRd.resources
- %TEMP%\wNRKPx.resources
- %TEMP%\h6zygr0u.0.vb
- %TEMP%\h6zygr0u.out
- %TEMP%\h6zygr0u.cmdline
- %TEMP%\dlbsvya6.cmdline
- %TEMP%\bkr7gsr7.cmdline
- %TEMP%\bkr7gsr7.0.vb
- %TEMP%\bkr7gsr7.out
- %TEMP%\RES13.tmp
- %TEMP%\vbc12.tmp
- %TEMP%\vbcF.tmp
- %TEMP%\dlbsvya6.out
- %TEMP%\RES10.tmp
- %TEMP%\bI.resources
- %TEMP%\pAFcGGN.resources
- %TEMP%\dmvcjbh8.0.vb
- %TEMP%\MSNPSharp.dll
- %TEMP%\dmvcjbh8.cmdline
- %TEMP%\vbc1.tmp
- %TEMP%\dmvcjbh8.out
- %TEMP%\yuohu.exe
- %TEMP%\z.resources
- %TEMP%\svchost.exe
- %TEMP%\U6D45.resources
- %HOMEPATH%\kybop.exe
- %TEMP%\RES2.tmp
- %TEMP%\xss5vxnr.out
- %TEMP%\xss5vxnr.cmdline
- %TEMP%\vbc9.tmp
- %TEMP%\windowsupdate.ico
- %TEMP%\RESA.tmp
- %TEMP%\aAUwjlgi.resources
- %TEMP%\dmvcjbh8.exe
- %TEMP%\PvtSYCw.resources
- %TEMP%\xss5vxnr.0.vb
- %TEMP%\whatdafock.txt
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\kybop.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\kybop.exe
Deletes the following files:
- %TEMP%\RES10.tmp
- %TEMP%\HIBRd.resources
- %TEMP%\vbcF.tmp
- %TEMP%\dlbsvya6.cmdline
- %TEMP%\dlbsvya6.0.vb
- %TEMP%\h6zygr0u.out
- %TEMP%\vbcC.tmp
- %TEMP%\h6zygr0u.cmdline
- %TEMP%\wNRKPx.resources
- %TEMP%\h6zygr0u.0.vb
- %TEMP%\bkr7gsr7.out
- %TEMP%\bkr7gsr7.cmdline
- %TEMP%\bkr7gsr7.0.vb
- %TEMP%\bI.resources
- %TEMP%\pAFcGGN.resources
- %TEMP%\LYmYF.resources
- %TEMP%\dlbsvya6.out
- %TEMP%\xMz.resources
- %TEMP%\vbc12.tmp
- %TEMP%\RES13.tmp
- <Drive name for removable media>:\Sexy.exe
- %TEMP%\dmvcjbh8.exe
- <Drive name for removable media>:\Porn.exe
- %TEMP%\RESA.tmp
- <Drive name for removable media>:\Passwords.exe
- %TEMP%\vbc1.tmp
- %TEMP%\RES2.tmp
- %TEMP%\dmvcjbh8.cmdline
- %TEMP%\dmvcjbh8.0.vb
- %TEMP%\dmvcjbh8.out
- <Drive name for removable media>:\kybop_backup.exe
- %TEMP%\PvtSYCw.resources
- %TEMP%\windowsupdate.ico
- %TEMP%\RESD.tmp
- <Drive name for removable media>:\kybop.exe
- %TEMP%\xss5vxnr.cmdline
- %TEMP%\vbc9.tmp
- %TEMP%\xss5vxnr.out
- %TEMP%\aAUwjlgi.resources
- %TEMP%\xss5vxnr.0.vb
Network activity:
Connects to:
- 'ns#.###nsearcher.net':8000
- '17#.#3.169.14':80
UDP:
- DNS ASK ns#.###nsearcher.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'