These are codes emitted from the antivirus software on a user's device. These codes indicate that the user experienced a malvertising attack during the course of routine web browsing, and the antivirus software was able to block the attack.
Some common codes you may see:
Malvertising is a malicious attack that impacts legitimate websites when bad actors purchase and submit ads through advertising platforms that appear to be normal, but in fact, execute malicious activity when displayed on the website. The ultimate goal of malicious ads is to either inject malware on end user devices or obtain personal information through phishing pages.
In order to help us guide you to the information that will be most applicable to your situation, let us know a little bit about why you came to this page:
I received a notification with one of the codes above from my antivirus software while browsing the internet.
Learn More →One of our website visitors notified us that they received one of these codes while browsing our website.
Learn More →If you are seeing these error codes, then it means your antivirus software has recognized and blocked malvertising while you were browsing. There is nothing further for you to worry about in this instance.
However, there are plenty of malvertising attacks that are capable of sneaking past antivirus software. If you notice this pop-up on a website you regularly visit, it's best to notify the website that they may have an issue.
Solving the problem will help them provide better experiences to their users (you!) and ensure you don’t fall victim to one of the attacks that is capable of squeaking past antivirus software in the future.
We're happy to notify the website owners for you, and provide them helpful content about blocking malvertising from their side. Just fill out the form below and we'll provide them with all the necessary information to inform them of the attack:
If a user received one of these notifications while browsing your website, it could just be the tip of the iceberg. Antivirus software is only able to detect and block a fraction of malvertising on the end user device.
So if this is happening at all, it probably means you have a much larger problem that you aren’t aware of. Depending upon your level of knowledge around malvertising, we have quite a few resources that may help you learn how to approach the problem.
Visit our malvertising resource center for an extensive list of educational resources on the subject.
Visit Now→Browse through our case studies to see how malvertising affected other companies, and how they solved the problem.
Visit Now →Just want to fix it now? Get a free trial of cleanAD (it’s as simple as installing a single line of javascript on your website).
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