WeChat Replaces Infected App In Apple App Store

The developers of the very popular chat app WeChat have posted a new version in the Apple App Store, after the previous one with the XcodeGhost-malware had infected. A developer of WeChat used an unofficial version of Xcode to develop the app.

This unofficial version was infected with malware, which also developed apps became infected. In the case of WeChat went alone to the 6.2.5 version for iOS. According to the developers, the malware is no data or users of money stolen.Meanwhile released version 6.2.6 which does not contain the malware, although not in the release notes listed in the release. Only in a blog post, users are pointed out. WeChat has 600 million active users, of which at least 70 million outside China. This is the total number of users. In addition to the iOS app WeChat is also available for Android, Windows and other platforms.

Apple Removes Infected Apps From App Store

Apple has malware-infected apps from the App Store removed after investigators here last week warned. The apps were created with an infected version of Xcode, Apple's official tool for developing apps for iOS or OS X.

Several Chinese developers had downloaded an infected version of the development software through unofficial download sites, which then also developed apps became infected. The malware in apps called XcodeGhost is able to send information about the device and apps and can try different ways to steal passwords. Thus the malware on the device can display a warning dialog box where users enter their login details and the contents of the clipboard can be read and modified.

The infected apps were both in the Chinese App Store and the App Stores offered in other countries. "We have the apps from the App Store away that we know that are made ​​with counterfeit software," a spokeswoman told news agency Reuters. "We are working together with the developers to ensure that they use the correct version of Xcode to make their apps again." What iPhone and iPad users can do to see if their device is infected Apple has not said. Also, Apple does not report how many apps it has been removed, but the Chinese security company Qihoo argues that the total of 344 with XcodeGhost infected apps found.

Dozens Of Malware Infected Apps In App Store Discovered

Researchers in the official Apple App Store dozens of malware infected apps discovered, reports security company Palo Alto Networks. The malware sends information about the device and the infected app to the attacker and can receive remote commands from the attacker.

Through these assignments, the malware can show an alert box that attempts to steal login information. Also, certain URLs can be hijacked and it is possible to read data in the clipboard of the user and adapt. In this way, pirated for example, passwords can be stolen. The malware XcodeGhost mentioned. Xcode is Apple's official tool for developing apps for iOS or OS X.

At various Chinese websites and forums were posted links to an infected version of Xcode. These infected version was downloaded again by Chinese developers and used to develop their apps. However, the infected Xcode version added to the malware apps, which were then placed by the developers in the App Store. According to analyst Claud Xiao some developers choose to make because of the slow internet in China nearly 3GB large Xcode not be downloaded directly from Apple, but through unofficial download sites.

At first it seemed to be two infected apps that were offered only in the Chinese version of the App Store. Now Palo Alto Networks announced that it has detected 39 infected apps, including apps for banking, stock trading, instant messaging and games. These include to WeChat, developed by the Chinese Internet giant Tencent, Didi Chuxing, a kind of Uber-like app and China Railyway 123 036, the only official app in China for purchasing train tickets.

Some of the apps developed by Chinese developers are also available on the App Store from other countries, such CamCard and WeChat. The infected apps have been downloaded by millions of people. The Dutch company Fox-IT checked the domain names used by the attackers and discovered much more infected apps, including Winzip and PdfReader. In total hit Fox-IT more than 50 infected apps on.