Threat Scorecard

Threat Level: 20 % (Normal)
Infected Computers: 23
First Seen: October 19, 2023
Last Seen: October 20, 2023

During the investigation of potentially harmful websites, researchers have come across a concerning platform known as This rogue Web page exhibits two different appearances, each of which employs deceptive tactics involving fake CAPTCHA tests to encourage users to enable browser notifications. These notifications, once enabled, often lead to a barrage of unwanted browser notification spam. In addition to this intrusive behavior, has the capability to generate redirects to other Web pages, many of which are likely to be of dubious or even unsafe nature.

Users Should Exercise Caution When Dealing with Rogue Pages Like

It's important to acknowledge that the content users encounter on rogue Web pages can vary based on their IP address or geolocation. This is a common practice employed by such sites to tailor their deceptive strategies to the visitor's location, making it more convincing and harder to detect.

As previously mentioned, investigation into revealed the existence of at least two distinct variants. Both of these versions utilize fraudulent CAPTCHA verification tests as a ploy. In one variant, the page features a robotic image alongside a message that urges the visitor to 'CLICK ALLOW TO CONFIRM THAT YOU ARE NOT A ROBOT!' In the other version, a cartoon-style image of a human and a robot is displayed, with the human figure instructing the user to 'Press Allow to verify that you are not a robot.'

When users attempt to complete this deceptive process, they inadvertently grant permission to send them browser notifications. These notifications, once enabled, are often used to deliver a relentless stream of advertisements. However, these advertisements are far from benign, as they frequently promote online scams, unreliable or hazardous software, and even potentially harmful malware.

Keep in Mind the Typical Red Flags Found in Fake CAPTCHA Checks

Fake CAPTCHA checks are commonly employed by deceptive websites to manipulate users into taking certain actions, such as enabling browser notifications or clicking on malicious links. To help users identify these deceptive CAPTCHA checks, here are some typical red flags to be aware of:

  • Excessive or Unusual CAPTCHA Requests: Legitimate websites usually require CAPTCHA checks to prevent automated activities, but fake CAPTCHAs may appear excessively or under odd circumstances. For example, you may encounter multiple CAPTCHAs on a single page or encounter them when performing actions that typically don't require them, like reading content or viewing images.
  •  Poor Grammar and Spelling: Many fake CAPTCHAs contain grammatical errors, misspellings, or awkwardly phrased instructions. Legitimate CAPTCHAs, on the other hand, are typically well-written and clear in their instructions.
  •  Intrusive or Urgent Language: Fake CAPTCHAs often employ alarming or urgent language to pressure users into taking action. For example, they may claim that a user's account will be locked or that they need to verify their identity immediately.
  •  No Connection to the Task: Legitimate CAPTCHAs are generally related to the action you're performing on a website. Fake ones, on the other hand, may appear unrelated or out of context. For example, if you're simply reading an article, a CAPTCHA that asks you to "prove you're not a robot" is suspicious.
  •  Hidden or Unclear Purposes: Fake CAPTCHAs may not clearly state their purpose or what enabling them will do. Users should be cautious of CAPTCHAs that do not explicitly explain why they are necessary.
  •  Request for Browser Notifications or Downloads: One of the primary goals of fake CAPTCHAs is to trick users into enabling browser notifications or downloading potentially harmful files. Be cautious if the CAPTCHA check requests these actions, as this is a common red flag.
  •  Unverifiable Sources: If the CAPTCHA appears on a website that seems untrustworthy or unfamiliar, it's wise to exercise caution. Fake CAPTCHAs often appear on rogue or suspicious sites.
  •  Lack of a Refresh Option: Legitimate CAPTCHAs typically offer a refresh or reload option if the provided CAPTCHA is too difficult to decipher. Fake CAPTCHAs may lack this feature, forcing users to complete them as presented.

Recognizing these red flags can help users identify and avoid fake CAPTCHA checks and the potential risks associated with them. When in doubt, it's best to exercise caution and consider the context and source of the CAPTCHA before taking any action.

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