Apple blocks infected WireLurker apps from running

The company advised that people stick to trusted sources for downloading apps

Apple has acted quickly to address a malware threat to iOS and Mac OSX computers, saying Thursday it has blocked apps from running that are infected with the WireLurker malicious code.

A day earlier, security vendor Palo Alto Networks revealed a campaign in which hackers were transferring malware to Apple devices through infected desktop applications downloaded from a Chinese marketplace.

The attack was a novel one in that it compromised iOS devices that had not been jailbroken, or altered to remove the restrictions that prevent people from downloading apps outside of the thoroughly-vetted App store.

About 467 Mac desktop applications were found to be infected with WireLurker at an app store for Chinese users called Maiyadi. The malware waits until an iOS device is connected to the desktop via USB, then uses one of a two methods to infect the mobile device. WireLurker can then steal data from the device, such as phone logs.

Apple didn't say exactly what steps it has taken to stop the attack, but said "we are aware of malicious software available from a download site aimed at users in China, and weve blocked the identified apps to prevent them from launching."

The company reiterated its longstanding advice to download software only from trusted sources.

Dave Jevans, founder and CTO for mobile security company Marble Security, said Apple had a few different options for thwarting WireLurker.

One way it infects devices is by using an enterprise provisioning certificate, which is used by developers building apps for in-house that don't appear on the App Store. The certificates are what allows those apps to run on iOS, and in the hands of a malicious hacker could be used to spread infected applications. Apple revoked the certificate used by WireLurker's creators, Jevans said.

That would help protect phones that aren't jailbroken from running infected apps, but it might not help those whose devices have already been infected, he said.

Apple could also update Safari to prevent people from navigating to the Maiyadi website, but users would still be able to get there using Chrome or other browsers. The company could also update its XProtect antivirus engine with a signature to block WireLurker installations, Jevans said.

Send news tips and comments to jeremy_kirk@idg.com. Follow me on Twitter: @jeremy_kirk

Join the newsletter!

Error: Please check your email address.
Rocket to Success - Your 10 Tips for Smarter ERP System Selection

Tags ApplesecuritymalwareMarble Security

Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Jeremy Kirk

IDG News Service
Show Comments

Most Popular Reviews

Latest Articles

Resources

PCW Evaluation Team

Sarah Ieroianni

Brother QL-820NWB Professional Label Printer

The print quality also does not disappoint, it’s clear, bold, doesn’t smudge and the text is perfectly sized.

Ratchada Dunn

Sharp PN-40TC1 Huddle Board

The Huddle Board’s built in program; Sharp Touch Viewing software allows us to easily manipulate and edit our documents (jpegs and PDFs) all at the same time on the dashboard.

George Khoury

Sharp PN-40TC1 Huddle Board

The biggest perks for me would be that it comes with easy to use and comprehensive programs that make the collaboration process a whole lot more intuitive and organic

David Coyle

Brother PocketJet PJ-773 A4 Portable Thermal Printer

I rate the printer as a 5 out of 5 stars as it has been able to fit seamlessly into my busy and mobile lifestyle.

Kurt Hegetschweiler

Brother PocketJet PJ-773 A4 Portable Thermal Printer

It’s perfect for mobile workers. Just take it out — it’s small enough to sit anywhere — turn it on, load a sheet of paper, and start printing.

Matthew Stivala

HP OfficeJet 250 Mobile Printer

The HP OfficeJet 250 Mobile Printer is a great device that fits perfectly into my fast paced and mobile lifestyle. My first impression of the printer itself was how incredibly compact and sleek the device was.

Featured Content

Latest Jobs

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?