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Author Topic: Four files in cache folder of Chrome and Opera are cyclic redundancy check  (Read 5169 times)

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Four files in cache folder of Chrome and Opera are cyclic redundancy check
« on: June 03, 2016, 02:45:46 AM »
I did a boot full scan with avast free, four file in cache folder of chrome and opera cannot be scanned because of cyclic redundancy check. Could these be virus and using this way to prevent scan? Even I use windows 10 scandisk command with fix disc then avast boot full scan again, same result.
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Offline Asyn

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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #1 on: June 03, 2016, 07:10:51 AM »
Empty your browser cache.
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W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #2 on: June 03, 2016, 07:15:09 AM »
Quote from: Asyn on June 03, 2016, 07:10:51 AM
Empty your browser cache.

I did this already then full boot scan, same result.
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Offline Asyn

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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #3 on: June 03, 2016, 07:18:46 AM »
If you want/need a check...
Attach your basic diagnostic logs. (MBAM, FRST and aswMBR)
Instructions: https://forum.avast.com/index.php?topic=53253
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W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #4 on: June 03, 2016, 07:25:09 AM »
Quote from: Asyn on June 03, 2016, 07:18:46 AM
If you want/need a check...
Attach your basic diagnostic logs. (MBAM, FRST and aswMBR)
Instructions: https://forum.avast.com/index.php?topic=53253

I will do this after I get back to home, thank you.
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Offline Asyn

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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #5 on: June 03, 2016, 07:34:15 AM »
OK, you're welcome.
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W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline Pondus

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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #6 on: June 03, 2016, 07:37:12 AM »
also post a screenshot of what it is you see

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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #7 on: June 03, 2016, 07:45:39 AM »
Quote from: Pondus on June 03, 2016, 07:37:12 AM
also post a screenshot of what it is you see

screenshot of avast scan result or other?
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Offline Pondus

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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #8 on: June 03, 2016, 09:50:38 AM »
avast scan result

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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #9 on: June 03, 2016, 10:35:02 AM »
Quote from: Pondus on June 03, 2016, 09:50:38 AM
avast scan result

In the scan resut page, the file location is too long and I can just place the mouse cursor over there to display one by one, anyway to display all file location full path?
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Offline Pondus

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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #10 on: June 03, 2016, 02:39:59 PM »
Follow instructions posted by Asyn and attach requested logs

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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #11 on: June 03, 2016, 05:18:07 PM »
Quote from: Pondus on June 03, 2016, 09:50:38 AM
avast scan result

The screenshot of Avast boot full system scan is attached. 3 files having the same warning "cyclic redundancy check".

I do the 3 suggested scanning now and then I will attach the log.
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Offline Pondus

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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #12 on: June 03, 2016, 06:01:01 PM »
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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #13 on: June 03, 2016, 07:49:19 PM »
Quote from: Pondus on June 03, 2016, 06:01:01 PM
It is located in windows old folder    ;)

http://www.howtogeek.com/223821/what-is-the-windows.old-folder-and-how-do-you-delete-it/

Yes ha ha I can see it now ha ha I will just delete the whole old windows stuff and do full scan again.
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Re: Four files in cache folder of Chrome and Opera are cyclic redundancy check
« Reply #14 on: June 04, 2016, 07:08:10 PM »
after removed old windows files then full scanned, reslt shows no virus anymore, thank you!
By the way, what could be a reason why Avast showed error for those 3 files virus in old windows!?
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