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Keeping Your Windows PC Clean – Part 2: Malware and You

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This is the second post in my “Keeping Your Windows PC Clean” series. If you haven’t yet, check out my first post on using Windows Update.

Virii Plush Dolls
Picture from Paul Holloway @ Flickr

I realize now that the first post may not have been one of the most exciting topics, but when talking about the more advanced elements of Windows troubleshooting I believe it’s important to have your basics covered. Today we’ll be moving on to the most common issues Windows users face: Malware.

What is Malware?

Malware is an umbrella term that includes such computing staples as viruses, trojans, and spyware. In terms of risk prevention, it’s best to keep all of the different sorts of malicious software in mind. Simply put, there’s more to worry about than spyware and viruses. You can read an exhaustively complete explanation of all the different types of malware at Wikipedia.

Here are a few steps you can take to hopefully prevent getting malware in the first place:

Pay Attention to What You’re Installing

Once you get used to installing Windows programs, the installation process tends to feel the same after a while. It’s often tempting to simply click Next until the installation is finished, blithely ignoring the options presented to you. While it may speed up the installation process, this also opens you up to unwittingly installing malware on your computer.

The solution to this is to simply pay attention and read everything you see during installation. While an antispyware program will save you if you install junk on your computer, it’s always better to avoid putting it there in the first place. Pay attention and you’ll notice far more software trying to sneak onto your system than you previously thought. Also, choose the “custom” installation option if possible to see exactly what the software is putting on your system.

Some examples of malware include the software that tries to sneak into your system when you install the Weatherbug application (just stay away from that entirely), and the variety of junk you’re presented with when installing RealPlayer.

Take note: This isn’t just good practice for preventing malware, it also prevents tons of legitimate software which I find wholly unnecessary. These sorts of things won’t actively harm your computer, but pile enough of them on and you’re bound to notice a performance decrease. Some examples of this includes the auto-updating features of Quicktime and the Google Applications, as well as anything that masquerades as a “helper application” in your system tray.

Be Wary When Using Downloaded Files

Semi-related to the topic above, you should also pay attention to the files you download from the web and P2P applications. If possible, make sure the files you’re downloading are “clean” (checking comments usually helps with this, if they’re available), and don’t contain any strange executables. Things to look out for include random .exe and .dat files when you only expected to find music.

If you have antivirus software (which will be covered soon in this series), you can scan the files you download to make sure they’re not harboring malware. This is a last resort method of course, and the best course of action is not to download anything from sketchy pirate sites at all.

Use Firefox and Internet Explorer 7

Anecdotally, I would guesstimate that around 80% of malware that the average user installs comes from Internet Explorer 6. It’s no big secret that IE6 was one of the biggest security holes in Windows XP. This had to do mainly because of the way IE6 was integrated into XP. The tight integration was seemingly a good idea to Microsoft for development reasons, but in reality it opened up some gaping security holes.

After Service Pack 2 for XP was released, IE became a bit more bearable with a few security upgrades. Then came Internet Explorer 7 which offered greatly improved security (especially for Vista users), but unfortunately still couldn’t compare much to Firefox.

My advice for this section boils down to this: Use the latest version of Firefox for your primary web browsing, but also make sure to have Internet Explorer 7 installed because you need to have some version of IE installed. You might as well have the most secure version. (Of course if you followed my advice from the first column, you’d already be covered.)

Coming Up Next Time

The next article in this series will cover what you need to do to remove malware from your system. I didn’t include it in this one because it’s honestly a very different topic, and if you followed my advice in this section to heart you may never actually need to remove any malware 😉

Also, I realize that everyone has their own theories when it comes to computer maintenance, so I welcome you to offer your suggestions for avoiding malware in the comments.

Malware and Viruses: How Infected Are We?

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how infected malware
The other day, I had a very confusing day, thanks to my laptop going nuts on me. I thought for sure that I got infected by a virus or some malware. No matter what search I did on Google, I always got redirected to search results for “biometrics”.

It didn’t stop there. When creating a new post, the title field and time stamp kept reverting to specific data. It.drove.me.nuts.

And I panicked. I immediately downloaded Avast for Mac and did a full system scan, but everything was clean. [Read more…] about Malware and Viruses: How Infected Are We?

Malware Wrapper Uses Windows to Infect Android

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Malware Wrapper Uses Windows to Infect Android (via slashdot)

A bit of malware discovered by researchers at Symantec this week reverses the target-selection priorities of most malware designs by treating Windows-based PCs as a path to Android devices, rather than as the primary target. “We’ve seen Android…

[Read more…] about Malware Wrapper Uses Windows to Infect Android

Threats on the Airwaves: How to Protect Yourself From New Malware

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malware1

You are already meticulous about which links you click, you understand the warning signs of an adware infected app, and you have tight security on your computer – but, a new breed of malware can get past all of those precautions! According to Gizmodo, the new malware leaps between devices using audio signals that are undetectable by the human ear. So, how are you to prepare yourself? [Read more…] about Threats on the Airwaves: How to Protect Yourself From New Malware

Android Is King – of Malware Threats!

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Malware Threats

Mobile security company F-Secure has recently released a report on the status of mobile threats in 2012. The report covers a lot of ground, but the most striking result is that Android is the main platform being targeted by hackers. From the get go, the executive summary of the report picks out Android.

Android malware has been strengthening its position in the mobile threat scene. Every quarter, malware authors bring forth new threat families and variants to lure more victims and to update on the existing ones.

In the fourth quarter alone, 96 new families and variants of Android threats were discovered, which almost doubles the number recorded in the previous quarter. A large portion of this number was contributed by PremiumSMS—a family of malware that generates profit through shady SMS-sending practices—which unleashed 21 new variants. [Read more…] about Android Is King – of Malware Threats!