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Guru3D.com » News » Android 4.2 malware scanner catches just 20 percent of threats

Android 4.2 malware scanner catches just 20 percent of threats

by Hilbert Hagedoorn on: 12/12/2012 09:22 AM | source: | 4 comment(s)
Android 4.2 malware scanner catches just 20 percent of threats

A test cunducted by Xuxian Jiang, a professor of computer science at North Carolina State University, reveals that the effectiveness of Google's new malware scanner for Android is very poor. Google's own solution, which is included with Android 4.2, managed to catch just 193 out of 1260 samples of malicious apps. ARS Technica writes Google's anti-virus tool had an overall detection rate of only 20 percent, whereas other antivirus packages for Android deliver detection rates from 51 percent to 100 percent.

Jiang also found the performance of Google's app verification lagged well behind the performance of 10 representative antivirus apps offered by third-party companies such as Avast, Symantec, and Kaspersky Lab. He did this by picking a pseudo random code sample from each of 49 malware families. Overall, the detection rates of the AV packages was 51 percent to 100 percent, compared with 20 percent for the Google service, which is included with the Google Play app. The scanning service, which examines apps downloaded from Google Play as well as alternate sources, is optional, although it's on by default. Jiang's report didn't rank the specific AV apps or list the detection rates for each one by name.

A chief reason the app verification service misses so much malware is its reliance on cryptographic hash signatures to identify apps known to be malicious.

"This mechanism is fragile and can be easily bypassed," Jiang wrote. "It is already known that attackers can change with ease the checksums of existing malware (e.g., by repackaging or mutating it). To be more effective, additional information about the app may need to be collected. However, how to determine the extra information for collection is still largely unknown—especially given user privacy concerns."
While Google's antivirus solution is pretty poor at present, Jiang expects it will significantly improve if the search giant integrates the technology it recently acquired from free app-scanning website VirusTotal.







« VIA VL752 and VL753 controllers for USB 3.0 flash drives · Android 4.2 malware scanner catches just 20 percent of threats · Razer Releases Specs of "Project Fiona" Gaming Tablet »

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Speed Weed
Senior Member



Posts: 1066
Joined: 2011-12-04

#4477631 Posted on: 12/12/2012 01:49 PM
A very good reason for doing only extremely lightweight surfing on a SmartPhone or Tablet!

kanej2007
Senior Member



Posts: 8394
Joined: 2007-08-07

#4477633 Posted on: 12/12/2012 01:55 PM
A very good reason for doing only extremely lightweight surfing on a SmartPhone or Tablet!


And best to stay away from dodgy sites...

Ghosty
Senior Member



Posts: 5674
Joined: 2003-07-23

#4477694 Posted on: 12/12/2012 03:42 PM
Still haven't ever got mailware from any app on the market to date. Reading the reviews before downloading normally give a good indication on the validity of it.

Psychlone
Senior Member



Posts: 3688
Joined: 2003-03-11

#4477825 Posted on: 12/12/2012 07:18 PM
Still haven't ever got mailware from any app on the market to date. Reading the reviews before downloading normally give a good indication on the validity of it.


^ This.
I work IN this business, and the only people I've ever seen with a virus on their phone are the dip****s that blindly click anything... and guess what? Their computers are in the exact same state - virus/malware ridden.

It's not that there aren't lots of viruses out there, the problem actually exists between the touchscreen and the chair.



Psychlone

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