Author Topic: Avast boot time scan more data than my disk  (Read 3197 times)

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whynotme

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Avast boot time scan more data than my disk
« on: July 04, 2013, 04:06:21 PM »
Hi,

I scanned by full system, then scanned by bootime and it report different amount of data:
Full system scanned 158GB
Boot time scanned 211GB

Then I look at my hard disk, there are 27GB in C and 137GB in F, total is 168GB. There is no other drive, only DVD with maximum 4.7GB. How can boot time scanned 211GB?

Regards


enma

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Re: Avast boot time scan more data than my disk
« Reply #1 on: July 04, 2013, 04:18:24 PM »
i think several problems...
1. you were infected by a "System Volume Information" Virus, so the numbers were wrong(?)
2. there was still unallocated data space left(?)
3. any other drives attached? usb drive maybe? external harddrive?
4. what's the current capacity of you harddrive?
why did you do a boot-scan?
what OS are you using?
what version of avast are you using?

Offline DavidR

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Re: Avast boot time scan more data than my disk
« Reply #2 on: July 04, 2013, 05:05:10 PM »
Sorry enma your way of base on your guesses.

Hi,

I scanned by full system, then scanned by bootime and it report different amount of data:
Full system scanned 158GB
Boot time scanned 211GB

Then I look at my hard disk, there are 27GB in C and 137GB in F, total is 168GB. There is no other drive, only DVD with maximum 4.7GB. How can boot time scanned 211GB?

Regards

The boot-time scan is a very in depth scan, by default it scans archive files, to scan these the contents are unpacked to a temp location and scanned. So the scanned data and scanned files totals included the files unpacked size of these archives.
Windows 10 Home 64bit/ Acer Aspire F15/ Intel Core i5 7200U 2.5GHz, 8GB DDR4 memory, 256GB SSD, 1TB HDD/ avast! free 24.2.6105 (build 24.2.8918.824) UI 1.0.799/ Firefox, uBlock Origin, uMatrix/ MailWasher Pro/ Avast! Mobile Security

whynotme

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Re: Avast boot time scan more data than my disk
« Reply #3 on: July 04, 2013, 05:40:40 PM »
Thank you uber bot

Offline Pondus

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Re: Avast boot time scan more data than my disk
« Reply #4 on: July 04, 2013, 05:47:42 PM »
@enema
Quote
i think several problems...
1. you were infected by a "System Volume Information" Virus, so the numbers were wrong(?)
and what virus is that.  ::)

Offline DavidR

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Re: Avast boot time scan more data than my disk
« Reply #5 on: July 04, 2013, 07:07:34 PM »
Windows 10 Home 64bit/ Acer Aspire F15/ Intel Core i5 7200U 2.5GHz, 8GB DDR4 memory, 256GB SSD, 1TB HDD/ avast! free 24.2.6105 (build 24.2.8918.824) UI 1.0.799/ Firefox, uBlock Origin, uMatrix/ MailWasher Pro/ Avast! Mobile Security