Computer cursor would open tabs & move on its own. Is it spyware/trojan/virus?

I solved this problem by disable a macbook trackpad and use the mouse.....

Try this :

head to System Preferences > Accessibility > Mouse & Trackpad

find and check the box labeled Ignore built-in trackpad when mouse or wireless trackpad is present.

See:

My mouse keeps moving around on its own, as if someone is remotely controlling my Mac!

There are several possible causes for this issue. Take each of the following steps until it's resolved.

1. Follow the instructions in this support article, and also this one, if applicable.

2. Open the Bluetooth preference pane in System Preferences and check for unknown or forgotten input devices. Disconnect any USB input devices that you aren't using.

3. Boot in safe mode and test, preferably without launching any third-party applications. If you don't have the problem in safe mode, but it comes back when you reboot as usual, stop here and post your results. If you can't boot in safe mode, do the same. If you booted in safe mode and there was no change, go on to the next step.

4. Reset the System Management Controller.

5. If you're using a Bluetooth trackpad, investigate potential sources of interference, including USB 3 devices.

6. A swollen battery in a MacBook Pro or Air can impinge on the trackpad from below and cause erratic behavior. If you have trouble clicking the trackpad, this is likely the reason. The battery must be replaced without delay.

7. There's a report that a (possibly defective) Thunderbolt Ethernet adapter can cause the built-in trackpad of a MacBook to behave erratically. If you're using such an adapter, disconnect it and test.

8. There's also a report of erratic cursor movements caused by an external display that was connected but not turned on.

9. If none of the above applies, or if you have another reason to think that your computer is being remotely controlled, remove it from the network by turning off Wi-Fi (or your Wi-Fi access point), disconnecting from a Bluetooth network link, and unplugging the Ethernet cable or USB modem, whichever is applicable. If the cursor movements stop at once, you should suspect an intrusion.

10. Make a "Genius" appointment at an Apple Store to have the machine and/or external trackpad tested.

I combined the resources from both you and Linc regarding recommendations about how to fix it. None of them have helped me with my problem.

Well, but you haven't actually tried everything, because you said you haven't taken it to the Apple Store yet. Sounds increasingly like a hardware issue may be at play here, so that needs to be your next step.

Also, when you said the battery is normal, did you just mean that it's performing normally and tests as normal in System Profiler/System Information? If so, that's not adequate for determining whether it is swelling and putting pressure on the trackpad. The folks at the Apple Store can look at that for you.

it happens to me as well .. usually its because the trachpad is sensitive to our fingers so any slight of oil or water can make your trackpad unrepsonsive .. i fight mine all the time i just bought the liquid to clean computers and tv . etc but nothing ... if its not a technical issue then its definatly has to do with whatsever on the trackpad thats not responding to your finger

I had the same issue this weekend, so I contacted the Apple Support through Chat. I performed some troubleshooting procedures the guy requested me to do but the problem continued. It was really frustrating. He recommended me to take it to a Genius Bar. I decided to disable temporarily the trackpad and connect an external mouse to be able to work. In any case I continued googling for more info about the issue and found that pressing the four corners of the trackpad worked in some cases so I did it and enabled the trackpad back. It totally solved it. At least it seems so. It worths a try.

I have had this problem intermittantly and called apple, done the pram reset, cleaned the trackpad etc .

I had installed Viber on my macbook pro retina which automatically came on at start up.

I removed viber and the mouse on the trackboard seemed to start behaving as normal immediately (it had been unresponsive and moving around the screen on its own immediately prior to the Viber removal.I'll give it a few days to see if this is a permanent solution

Is it possible Viber could cause this?

Thanks.