1-855-791-2391 Critical System Alert is a fake alert message generated by an ad-supported program that has sneaked into your system without your knowledge. Malware experts advise to ignore the instructions from the message and remove the adware instead.
1-855-791-2391 Critical System Alert Description
1-855-791-2391 Critical System Alert is a fake media player update notification telling you that your Flash Player has stopped working. In order to upgrade it, you need to follow the provided link. Clicking that link, however, will not upgrade your Flash Player as it is also fake.
The adware behind 1-855-791-2391 Critical System Alert is specifically designed by cyber criminals to generate traffic revenue to third party websites. It enters your system uninvited, after which it starts displaying fake alert messages and pop-up ads on every website you visit. The adware is not harmful by nature, but clicking any of its fake pop-ups may take you to a corrupted webpage which may further infect your system with additional viruses.
1-855-791-2391 Critical System Alert also has spyware element integrated with it meaning it can and will track your online behaviour and collect your sensitive data in order to send it to its sponsors.
In addition, the adware may slow down your system and even disable your firewall and some anti-virus programs.
How Does 1-855-791-2391 Critical System Alert Enter Your PC?
1-855-791-2391 Critical System Alert enters users’ computers via freeware. The free programs users download from the Web are usually bundled with various PUPs (potentially unwanted programs) and malicious software that slip into the PCs without the users’ knowledge. While installing the freeware, however, users are given the option to disable the bundling thus ensuring they will not end up with unwanted programs and features on their systems. They only need to watch the installation process closely and uncheck all features they are not familiar with.
How to Remove 1-855-791-2391 Critical System Alert
Since inexperienced users are likely to fail removing 1-855-791-2391 Critical System Alert manually, and some anti-virus programs may not even be able to detect it, our malware experts recommend downloading a well-trusted and legitimate anti-malware tool. It will perform a full system scan of your computer, detect all threats and remove them completely.