- Aug 30, 2012
- 6,598
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CCleaner may be installing Avast anti-virus without your permission
CCleaner may be installing Avast anti-virus without your permission
Avast is acting more like the malware it's supposed to defend against
Starting with version 5.37 of CCleaner, released this past August, Avast was bundled as an optional add-on. Normally, this is supposed to be opt-out with a checkbox at the bottom verifying that the user wants to include Avast in the CCleaner installation. However, many users are saying that it's anything but opt-out.
Frustrated users have complained on Avast's forums about the hidden installation:
"This happened to me today when updating CCleaner Free to v5.40. Did not notice any bundled offers, and I am always on the lookout for them. Always use advanced install options too."A product manager for CCleaner responded to the complaints by reiterating that the Avast installations are supposed to be completely optional and users should "always see the consent screen" whenever they install CCleaner Free edition or Pro Trial. However, the product manager did acknowledge that there were people who were experiencing problems:
"It happened to me too. ccleaner 5.43 installed avast without consent. There was no option to opt out of avast installation."
"It auto installed Avast without consent and no opt out. There was no check box on the setup page to opt out of installation!!!!! You guys should be ashamed to do this kind of business. When will you realize that people you FORCE your product into like this are less likely going to buy your product, or do some good publicity about itAll the contrary!"
We are monitoring a small number of edge cases where it seems the consent checkbox is not displaying correctly. After gathering what information we could from our users on the CCleaner forums, we were able to identify a case where high system load could delay the offer from displaying immediately. This allowed us to reproduce the issue internally and resolve it. We made change to guard against this root cause and released it in v5.39 (January 16th). There is potential for another bug/edge case to be causing the consent checkbox to not be visible, and this is what I would like to continue to investigate with your assistance.However, when we tested the latest version of CCleaner today, we were never prompted about the Avast installation and surprise, surprise, our system suddenly had a new antivirus installed that we did not consent to.