Computer Support Blog

CCleaner was Attacked Again, While Avast Behavior Shield Keeps Turning Off?

It is reported that hackers accessed the internal network of Avast, likely aiming for a supply chain attack targeting the company's CCleaner. The company is still investigating this second breach but said that hackers weren't successful at pushing out a malicious CCleaner release days ago. Many of the users of Avast were getting another problem, as their Avast Behavior Shield keeps turning off. Avast noticed the error before and they fixed that in the past versions, the problem still existed, it should not necessarily considered as linked to this breach.

Hackers Breached Avast Internal Network through Compromised VPN Profile?

Avast, a software developer including the popular anti-virus was the target of cybercriminals' attack, said that the hacking of servers took place from May 14 to September 25 . During this time, hackers logged into the Avast network seven times. They gained access to it thanks to taking over the VPN account. This account has been re-enabled as a result of an internal error. 

Because of this mistake, there was no need for two-step verification when logging in to prevent such attacks. Users of Avast programs do not have to panically remove software from computers. The company assures that hackers have not managed to put threatening lines of code in their software.

Avast emphasized that CCleaner's code remained unchanged. Although the program was not infected in any way, the company preventively changed the digital signature of the executable file. The company has also taken precautionary measures to ensure that this does not happen again. A global password reset has been performed throughout the company. In addition, VPN accounts will be better guarded and covered by a two-step verification. It reassures that users of their applications have nothing to fear though.

Avast Behavior Shield Keeps Turning Off?

While the company is still investigating this breach. Many of the users of Avast were getting another problem with Avast software, as their Avast Behavior Shield keeps turning off. Avast noticed the error before and they fixed that in the latest versions, the problem still existed, it should not necessarily considered as linked to this breach.

The problem that Avast Behavior Shield keeps turning off can be caused by various reasons. If you are just encountered the peoblem, there are many methods for you to fix it.

Method 1. Update to the Latest Version

The first solution to solve the issue that Avast Behavior Shield keeps turning off by itself is to update this software to the latest version. Some users have reported that the Avast Behavior Shield has stopped working after they restart or turn on their systems, especially those users who are using Avast 2018.

And, Avast developers also have noticed the error where the Behavior Shield is turned off by itself and they have tried to fix this problem in the latest version.

In order to solve the problem that Avast Behavior Shield turns off, you can try to update your Avast to the latest version.

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Method 2. Repair Avast Antivirus Program

The second solution to fix the problem that Avast Behavior Shield turning off is to repair the Avast antivirus program.

Step 1: Launch Avast

Click the Avast icon in the system tray or click the shortcut of Avast on the desktop to launch it.

Step 2: Start to Repair Avast

  1. After entering its main interface, click Menu button on the right corner to continue.
  2. Then click Settings.
  3. Go to the Troubleshooting tab and then click REPAIR APP to continue.

The repairing process will take some time and you need to wait patiently. After repairing, reboot the Avast antivirus program and check whether the issue of Avast Behavior Shield off at startup is solved.

If this solution is not effective enough, try the following solution.

Method 3. Run Avast Clear Tool and Reinstall Avast

If the above methods cannot solve the problem that Avast Behavior Shield keeps turning off, you need to try this solution. You can perform a clean installation of the latest versions. To do that, you need to delete all traces of the Avast on your computer. Thus, you need the help of Avast Clear tool which can help you to remove all traces of Avast on your computer and then reinstall the Avast.

To Safeguard Your Computer When Avast Behavior Shield Keeps Turning Off

In order to provide better protection for your computer, it is recommended to create a system image. After that, you can keep your PC and data safe even though the Avast encounters errors or some other problems happen.

To create a system image, you can take the professional Windows backup software – MiniTool ShadowMaker. It is designed to back up the operating system, partitions, disks, files, and folders.

It is also a clone tool that can help you to clone the OS from HDD to SSD without data loss. So, besides creating a system image, you can also choose to clone the OS to another hard drive so as to safeguard your PC.

With so many powerful features, just get MiniTool ShadowMaker to create a system image or clone the system to another hard drive immediately. So, just click the following button to get MiniTool ShadowMaker Trial or choose to purchase an advanced edition.

At this point, Avast also reported to the Czech police to find the persons responsible for the attack. We'll see how it goes in the future updates.

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