![]() ![]() It’s usually obvious when one particular app is the culprit, because you only have problems when using it. The crooks thus gain the ability to redirect you to a dodgy website when you use the app that was built using the compromised tool. Because hackers cannot break into iOS itself, one of their most common strategies is to crack a developer kit, which may in turn be used by unwitting app developers. This doesn’t necessarily mean the app is bad or that the developers are at fault conversely, the fact that an app is legitimate or was made by a reputable company doesn’t mean it can’t be hijacked by malware or hackers. ![]() Rather than a virus affecting iOS itself, it’s possible that you’ve simply got a problem app. Is a compromised app causing the problem? In any of these cases we would take the device to an Apple Genius Bar. It’s extremely unlikely that malware has penetrated to the heart of the operating system this would be essentially unprecedented. If the problem continues to occur no matter which apps are open, the chances are that your device is misbehaving because of a hardware problem, an iOS change that you’re not used to yet, or because you or another user of the device has changed a setting, perhaps inadvertently. Does the unexpected behavior manifest itself when you use any app? ![]() ![]() As a rule of thumb, common behavior exhibited by apps that have been hijacked include redirecting you to an unfamiliar web page in Safari, and opening the App Store without permission. If this is the case–and particularly if it’s only one app–then you’re probably looking at an app-specific issue, and we’ll deal with this in due course. Does the unexpected behavior manifest itself when you use certain apps only? If so, have you installed an application from a non-official source whose authenticity is questionable? If the answer to both is yes, you may have a malicious piece of software on your device and should attempt to isolate and uninstall the culprit. The main questions when trying to work out what has happened to your malfunctioning iPhone or iPad are these: Have you jailbroken your device? If you spot this, there’s a very good chance your device is infected.ĭigging deeper to find what’s causing the problem Malware will often try to hijack your iPhone and make calls to premium numbers, send data or even take part in cryptocurrency mining, all of which will drain your data or give a nasty surprise when the phone bill arrives. If you’re worried that something may be amiss, turn your iPhone off and back on again to see if the pop-up disappears. These can be a way to trick you into giving permission for things, as the text you’re reading isn’t necessarily what you’re agreeing to. Receiving pop-up boxes out of the blue can be a sign that things are not well with your iPhone. Try updating the apps to see if this helps. Apps frequently crashingĪgain, this can be a problem with the system or potentially the memory in your iPhone, but it’s also possible that malware is causing certain apps to crash all the time. It’s a good idea to uninstall them immediately and see if this helps fix other problems. One clear indication that malware is present on your system is when you notice apps appearing that you didn’t install. Should you still have suspicions after that, you can follow some of the steps outlined below to check for something more sinister. If you’re experiencing issues with performance in general, or with particular apps, this is far more likely to be caused by a bug than by a malicious threat, and these may be rectified by something as simple as restarting your device, or running available software updates. The good news in either case is that iOS’s sandbox structure should prevent the malware attack from getting access to other applications (in order to spread itself) or to the underlying operating system. Such unofficial app stores are far more likely to suffer from viruses and malware-laden apps. In fact, the majority of successful malware attacks on iPhones have been directed at models that have been jailbroken, which gives the owner access to software that hasn’t been checked by Apple employees. The App Store vets all submitted software for potential threats, and while mistakes are occasionally made (there are literally millions of apps to check), this mostly keeps iOS free from nasty agents. ![]()
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