Category : Blog
Scareware scammers lock iOS Safari
Scareware scammers lock iOS safari to extort ransom money from iOS users. As researchers Andrew Blaich and Jeremy Richards at the San Francisco- firm explain in a blog post based mobile security:
“The user reported that he had lost control of Safari after visiting a website and was no longer able to use the browser. The user provided a screenshot (below) showing a ransomware message from pay-police[.]com, with an overlaid ‘Cannot Open Page’ dialog from Safari. Each time he tapped ‘OK’ he would be prompted to tap ‘OK’ again, effectively putting the browser into an infinite loop of dialog prompts that prevented him from using the browser.”
Blaich and Richards elaborate on this point:
“The victim could regain access without paying any money. Lookout determined the best course of immediate action for the user who initially reported it was to clear the Safari cache to regain control of the browser. (Settings > Safari > Clear History and Website Data) Once a person erases all web history and data, effectively starting Safari as a fresh app, the ransom campaign is defeated.”
Apple has since made it even easier. With the recent update to iOS (version 10.3), the tech giant changed Mobile Safari’s handling of pop-ups to a per-tab basis. This means that users who encounter persistent pop-ups in Mobile Safari can now close out the affected tab and switch to another one.
To protect against this type of campaign, every users should avoid suspicious links and email attachments and should be careful about what websites they visit on all their devices.
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