Why AVG SafePrice was added to Chrome when AVG is removed since long lime?
View the Activity Log of Chrome.
Load chrome://extensions/ in Google Chrome to display all installed extensions.
Click on the Details link next to the extension that you are interested in.
Select the "View Activity Log" option on the page.
What was going on immediately before that (those) event(s)? Look there for the app which added the crudware.