'Your Mac is heavily damaged! (33.2%)' Pop-Ups

The 'Your Mac is heavily damaged! (33.2%)' pop-up windows are the Mac version of the 'Your Computer is heavily damaged! (33.2%)' Pop-Ups aimed at Windows users. The 'Your Mac is heavily damaged! (33.2%)' messages are produced by phishing pages that receive Web traffic from untrustworthy advertisements, riskware and adware. Some cybersecurity blogs and user reports suggest that fake Mac optimizer applications may change your Internet settings and cause redirects to domains associated with the 'Your Mac is heavily damaged! (33.2%)' tactic. The 'Your Mac is heavily damaged! (33.2%)' tactic is run by people who aim to convince Mac users to buy a "premium technical support package" from an uncertified company. The 'Your Mac is heavily damaged! (33.2%)' messages are often used to lure users into buying fake security products. You may be shown images, video and manipulated screenshots of posts at Discussions.apple.com before you are redirected to the site of a supposedly reputable cybersecurity vendor. The 'Your Mac is heavily damaged! (33.2%)' pop-up windows may appear in the Apple’s Safari, Google Chrome and Mozilla Firefox. The 'Your Mac is heavily damaged! (33.2%)' messages may show the following on your screen:

'AppleCare
Protection Plan
Your system is infected with 3 viruses! Wednesday, March 20, 2019 10:53 AM
Your Mac is infected with 3 viruses. Our security check found traces of 2 malware and 1 phishing/spyware. System damage: 28.1% - Immediate removal required!
The immediate removal of the viruses is required to prevent further system damage, loss of Apps, Photos or other files.
Traces of 1 phishing/spyware were found on your Mac with MacOS 10.14 Mojave.
Personal and banking information is at risk.
To avoid more damage click on 'Scan Now' immediately. Our deep scan will provide help immediately!
4 minute and 32 seconds remaining before damage is permanent.'

The domains related to the 'Your Mac is heavily damaged! (33.2%)'tactic may produce a loop of dialog boxes that show the following message and play audio in the background:

'IMMEDIATE ACTION REQUIRED
We have detected a trojan virus (e.tre456_worm_osx) on your Mac.
Press OK to begin the repair process.'

If the user clicks on the 'IMMEDIATE ACTION REQUIRED' dialog box a new pop-up window may appear and show:

'Your Mac is heavily damaged! (33.2%)
Please download the Advanced Mac Cleaner application to remove 3 Viruses from your Mac.
VIRUS INFORMATION

Application: Advanced Mac Cleaner
Rating: 9.9/10
Price: Free'

The page behind the 'Your Mac is heavily damaged! (33.2%)' pop-up window may offer users to download a fake security product, a potentially unwanted browser extension, and you may be urged to subscribe to site notifications associated with misleading advertisements. The software promoted through the 'Your Mac is heavily damaged! (33.2%)' campaign might decrease your system performance, and it may shorten the life of your laptop battery. Mac users may experience unwanted advertisements and unusual browser redirects if they install applications associated with the 'Your Mac is heavily damaged! (33.2%)' campaign. Questionable software publishers may use the 'Your Mac is heavily damaged! (33.2%)' pop-ups to promote their applications and use techniques to hide their products on your machine. It is best that you install applications only from the Mac Store and keep your software collection up-to-date.