I allowed PC Update Support  to take over my computer. When they were off I checked them out and    discovered they were most likely scammers.  I ran my antivirus program and changed password but should I be concerned about installed malware?

I allowed PC Update Support to take over my computer (long story) When they were done I checked them out and discovered they were most likely scammers. I ran my antivirus program and changed passwords. Should I be concerned that they may have installed malware?

If you are sure they were scammers the only way to be 100% sure they left nothing behind is to wipe your system disk, do a clean install and restore from a backup you are sure was made before the scammers got onto you system.
There is no other way to be sure that thye did not leave somehting behind. In addition if you have used any credit card numbers while on the system, back account (or any other) passwords, tax returns, etc. You need to be alert fo IIdentity Theft | Consumer Information. It may be a good idea to place a fraud alert with one of the credit reporting agencies (the link above will detail what to do)
And of course change the passwords right away.
good luck
Message was edited by: Frank Caggiano - This assumes you are in the States. Different procedures may apply in other countries.

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