AVAST virus scan freezez computer, and crash boot order. [WIN 10]

Avast Free Antivirus / Premium Security
1

Hello!

When running any type of Virus scan Avast freezez up, the computer start lagging and soon the whole windows stop responding.

This all happens when the scan reaches 21%

I may add when the OS freeze up i have to restart with power button and the BOOT order is gone, making me have to unplug all but the OS SSD.

I’ve tried unistall and make a clean reinstall of Avast, this did not help.

I’m using the Avast Pro v.11.2.2261 with virus definition 160421-3, and my OS is windows 10 Home.

Happy for suggestions to fix this issue!

Kind regards,
Jonathan

2
  • Other security related software installed…?
  • Which AV(s) did you use before Avast…?
3

No other security software installed.

Previusly used AVG free version.

4

First, be sure to get rid of all remnants of your prior installed AV(s)…!!
→ https://www.avast.com/faq.php?article=AVKB11#artTitle

Then:

  1. Download Avast Pro Antivirus: https://files.avast.com/iavs9x/avast_pro_antivirus_setup.exe
  2. Follow instructions: https://www.avast.com/uninstall-utility (Run this tool for all prior installed Avast versions…!!)
  3. Reinstall Avast with the downloaded installer from point 1.
  4. Reboot.
5

Issue still persists, followed step by step.

Keeps freezing OS at 21%, and crashes boot order when restart.

6

Attach your basic diagnostic logs. (MBAM, FRST and aswMBR)
Instructions: https://forum.avast.com/index.php?topic=53253

7

Here are the logs!

Kind regards.

8

What is the name of the file/folder that it freezes on ?

CAUTION : This fix is only valid for this specific machine, using it on another may break your computer

Open notepad and copy/paste the text in the quotebox below into it:

CreateRestorePoint: HKLM\...\runonceex: [Flags] => 128 HKLM\...\runonceex: [Title] => RAPID uninstall cleanup using key [0001] 2016-04-22 08:59 - 2015-11-16 08:26 - 00000000 ____D C:\Users\Damy\AppData\Roaming\AVG HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\PAexec => ""="Service" HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\PAexec => ""="Service" Reg: reg delete HKLM\SOFTWARE\Policies\Microsoft\Windows\IPSec\Policy\Local /f Reg: reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\IPSec\Policy\Local /f RemoveProxy: EmptyTemp: CMD: bitsadmin /reset /allusers

Save this as fixlist.txt, in the same location as FRST.exe

https://dl.dropboxusercontent.com/u/73555776/FRSTfix.JPG

Run FRST and press Fix
On completion a log will be generated please post that

THEN

Please download AdwCleaner by Xplode onto your desktop.

[*]Close all open programs and internet browsers.
[*]Double click on AdwCleaner.exe to run the tool.
[*]Click on Scan.
[*]After the scan is complete click on “Clean”
[*]Confirm each time with Ok.
[*]Your computer will be rebooted automatically. A text file will open after the restart.
[*]Please post the content of that logfile with your next answer.
[*]You can find the logfile at C:\AdwCleaner[S0].txt as well.

9

Uploaded recieved logs 8)

The scan freeze at,

C:.…\2fd4a2a8d042f71932d21.mcache

I don’t know exactly what type of item that :o

10

Is that your torrent cache ?

11

I investigated where it’s located.

Seems to be a shadercache for DX11 for the game Tom clancy’s the division.

I’ts located in

My computer > documents > My games > Tom Clancy’s the division > shadercache > DX11

12

OK could you set an exclusion for that folder as it appears to be getting hung on the size of the file

13

I excluded the whole shader cache folder, still did not fix the issue :cry:

Now it freezes up still at 21% but on a steam (gaming service) directory .dll file.

14

OK I will have a think

15

Reported to Avast.

16

Thanks Bob, still reading up on steam