Advertisement Is your Mac acting kind ofweird? Whether you’re seeing adverts you can’t explain, or your system is unreasonably slow, you might think the problem is malware. And you might be right (but probably aren’t). Back in 2009 my co-worker Jackson asked.
The common consensus at the time was “no”, but Macs have grown in popularity since then – and not surprisingly, so has Mac malware. This doesn’t mean you should panic: widespread Mac infections are still rare.
Odds are your Mac is clean, even if it seems otherwise. What Is Mac Malware Like? Having said that, infections do happen; here are some examples from the past few months:. was distributed via pirated Mac software. It attempted to infect any iPhone or iPad plugged into infected Macs, spreading from one platform to the other and collecting your devices’ unique IDs in the process. No one is sure what the goal of this malware is, but.
Microsoft Safety scanner is an on demand scanner to remove virus, spyware, malware and malicious software from the windows PC. It get expired automatically after 10 days of download to bring up the tool with the latest virus definition. Once Windows Defender is activated even for just periodic scans, look under Threat History for 'Run a new advanced scan.' On the next screen pick Windows Defender Offline Scan.
infected users who downloaded pirated software from The Pirate Bay. Infected Macs become part of a global botnet.
infected users by pretending to be legitimate software, and stole any BitCoins stored on the infected Mac. Learning From These Examples All of these infections have one thing in common: they infect Macs through software installed outside of the Mac App Store. In some cases pirated software is to blame; in others it’s software from sources that shouldn’t have been trusted. Put simply: if you never install software from outside the Mac App Store, you don’t have anything to worry about. Sure, there are some browser-related exploits from time to time, and Java is an ongoing concern, but if your OS X and browsers are up-to-date such infections are pretty unlikely.
And if you do install software from outside the Mac App Store, but are careful to research software before installing it (Googling for a review, and finding an official download), you also don’t have anything to worry about. On the other hand: if you’ve pirated Mac software, or installed plugins at the request of a site offering pirated movies, you might have problems. Have you used a tainted USB drive or downloaded a sketchy email attachment? Viruses Computer viruses can steal or destroy your data in many ways. Here are some of the most common virus types and what they do. Let’s go over a few signs that your Mac might be infected, just to make sure. Sign 1: Unexpected Ads and Pop-Ups Adware is becoming an ever-bigger problem on the Mac platform.
If you’re seeing ads in places they previously didn’t show up, there’s a good chance you’ve installed something you shouldn’t. This is particularly true if you get pop-up ads even when you’re not browsing the Internet. Sign 2: Your Mac Is Slow For No Reason As I said before: some Mac malware makes your Mac part of a botnet, which is a global network of computers used for all sorts of things. If your Mac is infected, it could be helping to The term DDoS whistles past whenever cyber-activism rears up its head en-masse.
![Scan Scan](/uploads/1/2/5/4/125496448/699642575.jpg)
These kind of attacks make international headlines because of multiple reasons. The issues that jumpstart those DDoS attacks are often controversial or highly., mine BitCoins or any number of things that take up CPU power. If your Mac is constantly slow, even if you don’t have any programs open, this is a possibility. Odds are malware isn’t your problem, though. You’re probably better off reading about Given time, the performance of any computer will tend to degrade - even Macs (gasp!). Years of improperly un-installing applications can leave your drive littered with preference files and resources that are no longer needed., but malware is worth looking into if none of those tips work. A Malware Scanner Confirms Infection Think your Mac might be infected?
Here are a few free programs you can use to scan your Mac and find out about any infections:. is a free tool. It won’t delete infections for you, but it will point out where to delete them using the Finder. Note that the latest release has some issues, according to user reviews. scans for and deletes a number of common Adware infections on your Mac.
It’s a quick scan, so try it if you’re seeing way too many ads. Donations are requested, be sure to contribute if the program helps you. is the Mac version of ClamAV, a popular open source malware detection tool. It’s well worth a look. If none of these tools come up with anything, it’s extremely unlikely that your Mac is infected.
There are other such apps out there – if you know of something better, please let us know in the comments. What Security Does My Mac Come With? Your Mac has defenses in place that should keep you safe from malware, though like all such measures it’s not completely foolproof.
Here are a few reasons why you don’t need to worry (much)., stops uninformed users from installing potentially unsafe software. By default this means anything not from the Mac App Store, but you can also configure it to block apps from unknown developers. Of course, many Mac users disable Gatekeeper completely so they can run whatever software they like, including things they’ve compiled themselves. The hope is that well-informed users will research the apps they run before installing it. Apps installed through the Mac App Store have very limited access to the broader system, a limitation intended to stop one app from messing up your entire system.
XProtect, officially called, is the anti-malware program you didn’t know you had. Part of OS X since 2009, this program isn’t like Windows anti-viruses – it’s completely invisible to most users. You can’t open the program and run a scan yourself, and you can’t manually install updates.
But if you’re infected with a known virus, odds are this program will eventually notify you. It also stops you from opening infected files. Obscurity is another frequently argued advantage of the Mac. Macs have a growing market share now, but for a long time there were so few active computers running OS X out there that malware creators didn’t bother to target them.
This is called “security through obscurity” – and more than a few security experts will tell you it’s a load of crap – but for a long time it comforted Mac users. Of course today, with a growing Mac user-base, this applies less than before – but Windows remains the primary target for malware makers. We’ve also explained Is your Mac acting kind of. Whether you're seeing adverts you can't explain, or your system is unreasonably slow, you might think the problem is malware. But you're probably wrong. You’re Probably Not Infected, But Stay Informed If you want to stay informed about Mac malware, I recommend.
This blog, by, offers up-to-date information about the latest Mac malware. I couldn’t have written this post without that site, so consider subscribing if you want to stay informed. Have you ever had an infected Mac? Explore more about:,.
Let's face it: One of the primary Windows admin tasks is keeping machines free of infection. It's inevitable. End users will open files, install cutesy apps, and go to sites they shouldn't go to. When they do these things, their machines get infected. When their machines get infected, you could wind up fighting a losing battle—unless you have the right tools. But sometimes the antivirus tools installed on the machine just aren't enough.
When that time comes, you'll be glad you have one (or more) tools on your USB drive to help you out. I've found five such tools that could certainly get you out of a serious pinch. All these tools are portable and work like champs.
1: ClamWin Portable ( Figure A) is very much like its big brother: It's free, open source, and does a great job of disinfecting machines. ClamWin has a high detection rate, has frequently updated definitions, and provides an easy-to-use graphical interface. ClamWin doesn't offer a real-time scanner, but that's not an issue for a portable version. This is my go-to portable virus scanning software.
( Figure D) is that tool you use when your machine is severely infected. VIPRE is run in safe mode and does not depend upon a GUI tool for use.
You double-click the executable and a command window opens with the scanner running (and running at blazing speeds). If you already use the full version of VIPRE, you can still run this tool if your machine becomes so infected, VIPRE won't run. Figure D 5: Spybot - Search & Destroy Portable ( Figure E) is the portable version of the massively popular full Spybot Search & Destroy. This anti-malware tool does a great job of finding and removing malicious software—all from your flash drive. And Spybot has a unique feature that will help you back up your registry before you begin the scan. Should Spybot fubar your PC's registry, you'll have a backup to restore to, safe and sound. Figure E Other picks?
You know that time is coming when you'll require the assistance of portable antivirus and/or anti-malware tool. It's a shame that this is such a big part of the job, but it's inevitable.
Make sure you're always armed with the tools to combat this plague by keeping a few of these portable apps with you. Do you have a favorite portable AV tools? Share your recommendations with fellow TechRepublic members.