

PSI runs a weekly scan, which is too much for most people.

Ideally, I'd uninstall Java completely, but some people need it, perhaps to run games such as Minecraft. It's important to uninstall all versions except the current one, because the old copies are still a security risk. (Windows updates sometimes fail.) The results page provides links to updates, so you rarely have to hunt the web for them. Scan the PC with PSI and it will find all the common software that needs updating, including any Windows code that hasn't been updated. SlimCleaner can do this as well, but I usually install Secunia's Personal Software Inspector (PSI): it finds more stuff. However, it's a good bet that there are several vulnerable third-party programs on these PCs, and it's important to deal with them. Windows tends to nag people to do this, so I find the operating system is usually up to date. Why make the effort to break in when so many people leave doors and windows open?Īfter a quick scan with MBAM, check that your relative's PC has working antivirus software (I might install Avast), that the firewall is turned on, and that Windows Updates are automatic. Hundreds of millions of people don't keep their software up to date, and their PCs can be attacked using exploits that are months or even years old. Most common malware harvests "low hanging fruit". Of course, some malware can stop you from running anti-virus software, even from a thumbdrive, and no doubt some can hide from MBAM and/or Hitman Pro, but I've yet to encounter these beasties in the field.

Click Options then and you can have any unknown processes checked by dozens of anti-virus tools. I usually start by running Process Explorer in admin mode, so that I can kill any suspect processes before running MBAM. Today, many common tools have been replaced by SlimCleaner Free ( not SlimCleaner Plus). Historically, these have included Software Internals' Process Explorer and Autoruns, HiJack This, CCleaner, Malwarebytes Anti-Malware software, Kaspersky's TDSSKiller and a trial version of Hitman Pro. It's a good idea to keep a small suite of tools installed on a USB thumb drive. Replacing an infected browser is a lot easier than sorting out a compromised operating system, But in my experience, PCs running Windows 7 and later versions rarely have serious problems, and the ones they have are almost all browser-based. Happily, things have changed dramatically in the past five years or so, thanks to the death of Windows XP. I write a long-running advice column - Ask Jack, at the Guardian - and there's always a chance I can learn from the experience.

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