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Company will release special removal tool for affected users, is remotely killing apps

Google is reacting quickly to what is perhaps the largest mass infection of users of its Android OS, yet. Rather than keep quiet, Google quickly pulled the 58 malicious apps, which were repackaged versions of legitimate apps (containing extra malicious APKs designed to grab personal information, obtain root access, and install code remotely).

Now it's take even more strident measures to combat the attack, personally reaching out to affected users.  Google began executing its remote kill functionality on the malicious apps Saturday.

It also pushed out an update to affected users phones, which will remove the installed rootkit.  Google sent the following email [source] to the estimated 260,000 Android users:

Hello,

We recently discovered applications on Android Market that were designed to harm devices. These malicious applications (“malware”) have been removed from Android Market, and the corresponding developer accounts have been closed.

According to our records, you have downloaded one or more of these applications. This malware was designed to allow an unauthorized third-party to access your device without your knowledge. As far as we can determine, the only information obtained was device-specific (IMEI/IMSI, unique codes which are used to identify mobile devices, and the version of Android running on your device).

However, this malware could leave your device and personal information at risk, so we are pushing an Android Market security update to your device to remove this malware. Over the next few hours, you will receive a notification on your device that says “Android Market Security Tool March 2011” has been installed. You are not required to take any action from there, the update will automatically run. You may also receive notification(s) on your device that an application has been removed. Within 24 hours of receiving the update, you will receive a second email confirming its success.

To ensure this update is run quickly, please make sure that your device is turned on and has a strong network connection.

For more details, please visit the Android Market Help Center.

Regards,
The Android Market Team


The flaw that allowed the malware to gain root access without asking for permissions was actually fixed by Google with firmware update Android 2.2.1.  Unfortunately carriers have been extremely sluggish at rolling out updates for Android users, and this is the end result.

Google has repackaged the fix as an individual patch and given it to carriers and handset makers.  But it's up to carriers and their hardware partners to push it down to phone customers as the patch will have to be adjusted to individual hardware configurations.  

In other words Google's keeping busy killing the burglars in the house, but back door is still wide open.  At least it's doing something, though, and giving its customers the decency of communication.

Google is also taking steps to make sure similar malware doesn't reappear in the Android Marketplace.  While the company is vague on specifics, it writes:

We are adding a number of measures to help prevent additional malicious applications using similar exploits from being distributed through Android Market and are working with our partners to provide the fix for the underlying security issues.

According to professional hackers and security researchers, most phones and applications markets have the potential to be infiltrated by malware.  

For example, at Nicolas Seriot, a Swiss iPhone expert, has demoed [white paper] at the annual Black Hat conference an app called "SpyPhone", which showed off how easy it would be to sneak malware into the App Store.  It is unknown if this is being actively done, but Mr. Seriot's whitepaper offered obfuscation code that disguised disallowed strings, offering hackers a clear path to getting their malware into the App Store (the only other necessary steps would be a delayed activation of the malicious activity, and avoidance of using private APIs).


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RE: Googles done decently
By lawrance on 3/7/2011 4:51:44 PM , Rating: 2
Actually Apple does have the capability to do remote wipeouts of malicious software. They've just never had to use it. Google has had to use theirs a few times already.

You did bring up an interesting point about google not updating their OS though. It's because they only make the original OS... the handset makers then throw in some customizations and pass it off to the carries who add even more customizations! At this point... it's out of Googles hands and is up to the carrier/handset maker to agree to spend their time and money updating outdated phones when really... they would much rather just sell you a new one with a new two year contract!


RE: Googles done decently
By Alexstarfire on 3/7/2011 11:31:04 PM , Rating: 2
Actually, I'm pretty sure Apple has used it. Though, IIRC it wasn't for malicious apps it was for those apps that charged an arm and a leg but did nothing. I remember there being quite a few of those when the platform first premiered. There are still some now since they can slip through because they aren't malware, though they aren't usually around long.


RE: Googles done decently
By SPOOFE on 3/8/2011 12:54:03 AM , Rating: 2
quote:
Actually Apple does have the capability to do remote wipeouts of malicious software. They've just never had to use it.

Until recently nobody made malware for the iPhone because nobody could figure out how to make AT&T worse than it already is... :D


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