More on the latest variant of 'Petya' Ransomware outbreak here
To install software on a Windows computer, you must have administrative rights over that computer.
Administrator status can be granted as
If you do not have administrator status, you will not have access to all files on that computer. This can be vital in case of infection. Only the local or domain administrator will have access to all users' files on a Windows 2000/XP/2003 computer. Only the network administrator will be able to log in as a domain administrator.
Applies to the following Sophos product(s) and version(s)
Not product specific
On all Windows 2000+ computers, a local administrator account 'Administrator' is present by default. You will need to know the password.
To login as local administrator:
In Windows XP Professional, where you are using the Welcome screen, press Control, Alt, Delete twice to access the login screen.
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