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Help: hijacked looking for tech support at Canon's website. What should I do?


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#1 jeanierenae

jeanierenae

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Posted 26 March 2017 - 04:54 PM

Hi,

 

My iMac was hijacked yesterday when I went to Canon tech support for help with a software problem. I thought I was chatting with a legit tech support person.  I let them remotely control my computer for an hour and charge my credit card for the help. I contacted Canon by phone after to confirm that I was hijacked.  Now I know that my computer has been compromised, but I do not know what they've done to it. 

 

My iMac is running OS X El Capitan Version 10.11.6

I am a photographer and have 7 external hard drives connected to the system.  (This is pretty usual).

I am backed up by Backblaze.com and use Dropbox regularly.  

My business website is generated by Smugmug and houses photo and video backup as well.

I have 4 Apple computers, 3 iphones, an iPad and a PC computer connected to my network most of the time.

 

I've changed my passwords on all 4 Mac computers on my ip address.  I've turned on the File Vault app on my iMac computer (the affected system) and run the encryptions (but after the compromise happened so may not be helpful).  I've turned internet/wifi off on the iMac that was affected. I ran Sophos and was clean.  Uninstalled it and installed Avast.  Ran Avast and it appears all is clean.  I ran malwarebytes Anti-Malware and it shows that there are no threats.  I've also run CCleaner for Mac and Clean My Mac 3 and tried to look for any newly installed software/apps that I did not install.  

 

I expect that this hijacker has done some damage to the depths of my hard drive but it is too soon to tell what may have been done and I can't see anything that could be a problem.  I've uninstalled the remote access app they used to control my computer for that hour.

 

Please help me know what steps I should take to protect my computer, curtail any problems that may happen and resolve any problems that I can't yet see.  Is there a way to find bugs, software or potential threats that may not have been seen by the apps I've already used to clean my computer?

 

I hope I've provided the pertinent information needed to get the help I need.

 

I appreciate any help you can give me.  Thank you so much!

 

Sincerely,

jeanierenae



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