Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'Oifaisu' = '"%APPDATA%\oZoQVO\dialer.exe"'
- [HKCU\SOFTWARE\Classes\ms-settings\shell\open\command] '' = '<SYSTEM32>\cmd.exe /c %TEMP%\Nuo.cmd'
- [HKCU\SOFTWARE\Classes\ms-settings\shell\open\command] '' = '<SYSTEM32>\cmd.exe /c %TEMP%\qM1cyZ.cmd'
Creates or modifies the following files
- %APPDATA%\Microsoft\windows\Start Menu\programs\startup\oifaisu.lnk
- <SYSTEM32>\tasks\nykfedhaehahj
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
the following user processes:
- firefox.exe
Hooks functions
in browsers
- firefox.exe process, nss3.dll module
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\dialer.exe
- <SYSTEM32>\tcmsetup.exe
- <SYSTEM32>\slui.exe
- <SYSTEM32>\fodhelper.exe
the following user processes:
- iexplore.exe
Modifies file system
Creates the following files
- %TEMP%\rl8c73.tmp
- %TEMP%\sy5dyk.cmd
- %APPDATA%\ozoqvo\dialer.exe
- %TEMP%\x48b70e.tmp
- %TEMP%\j8use7.cmd
- %TEMP%\nuo.cmd
- <SYSTEM32>\8sbhr\slui.exe
- %TEMP%\qm1cyz.cmd
Moves the following files
- from %TEMP%\rl8c73.tmp to %APPDATA%\ozoqvo\tapi32.dll
- from %TEMP%\x48b70e.tmp to <SYSTEM32>\8sbhr\slc.dll
Modifies the following files
- %APPDATA%\microsoft\crypto\rsa\s-1-5-21-4226853953-3309226944-3078887307-1000\f58155b4b1d5a524ca0261c3ee99fb50_8cf7b530-613e-439b-a8c5-ccfc0e745400
Substitutes the following files
- %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-4226853953-3309226944-3078887307-1000\f58155b4b1d5a524ca0261c3ee99fb50_8cf7b530-613e-439b-a8c5-ccfc0e745400
Miscellaneous
Executes the following
- '<SYSTEM32>\cmd.exe' /c %TEMP%\SY5dyk.cmd
- '<SYSTEM32>\fodhelper.exe'
- '<SYSTEM32>\cmd.exe' /c %TEMP%\Nuo.cmd
- '<SYSTEM32>\cmd.exe' /c %TEMP%\J8Use7.cmd
- '<SYSTEM32>\cmd.exe' /c %TEMP%\qM1cyZ.cmd
- '<SYSTEM32>\schtasks.exe' /Create /F /TN "Nykfedhaehahj" /TR <SYSTEM32>\8SBHr\slui.exe /SC minute /MO 60 /RL highest
- '<SYSTEM32>\cmd.exe' /c schtasks.exe /Query /TN "Nykfedhaehahj"
- '<SYSTEM32>\schtasks.exe' /Query /TN "Nykfedhaehahj"
- '<SYSTEM32>\cmd.exe' /c %TEMP%\SY5dyk.cmd' (with hidden window)
- '<SYSTEM32>\fodhelper.exe' ' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c schtasks.exe /Query /TN "Nykfedhaehahj"' (with hidden window)
