Thegravehthh.info is a malicious site known for employing social engineering methods to trick users into subscribing to its browser notifications. The site usually claims that clicking “Allow” is necessary to access the content of the site, to confirm that the user is not a robot, to proceed to the website, or to watch a video. Once users click “Allow”, they start receiving unwanted advertisements directly on their desktop or browser. These ads can lead to potentially harmful sites, introduce malware, or download unwanted and potentially harmful software. Thegravehthh.info can infect any device that uses a web browser, including personal computers, smartphones, and tablets. It targets all major browsers such as Google Chrome, Mozilla Firefox, Internet Explorer, Safari, and Microsoft Edge. The infection usually occurs when users visit compromised websites, click on malicious advertisements, or download software from untrustworthy sources. Users may also get infected through email links or attachments. This malicious site exploits browser notifications by sending push notifications containing ads or links to malicious sites.