Hong Kong Google Play Store's Apps Security Risk Report (August 2013)
Hong Kong Computer Emergency Response Team (HKCERT) Coordination Centre cooperates with the National Institute of Network and Information Security (NINIS) for detecting malicious and suspicious behaviors of Apps from the Google Play Store, in order to study the security risk of apps in the Google Play Store in Hong Kong area. NINIS provides us analyzed result, and we collate the detection result and publish security alerts to the public. In the report of August, we have downloaded 184 apps from Play Store, where 6 apps have been identified as high risk. 3 of them were removed from Play Store (on or before 20-August). The detail of report is shown as follow. Target scope: Top 50 Free Applications in Hong Kong area Top 50 New Free Applications in Hong Kong area Top 50 Free Games in Hong Kong area Top 50 New Free Games in Hong Kong area Scanned Apps Successful downloaded and scanned: 184 apps Unable to download via the system: 16 apps Downloaded date: 5-August 2013 List of the downloaded apps: "Appendix 1" [download] Analysis Overview In this analysis, 184 apps were scanned for bad behaviors. Based on the level of security threat, the apps were divided into 2 categories: apps with malicious and apps with suspicious behaviors. Malicious behavior refers to apps behavior pose malicious level of security risk, which can be identified explicitly, that causes security threat to users. Suspicious behavior refers to apps behavior pose certain level of security risk, but no malicious behavior can be explicitly identified. 1. Scanning Result Among the 184 scanned apps, 6 apps were identified as security high risk. These 6 Apps were identified with a high risk behavior signature, Android.Trojan.Genericor; and high risk Ad plug-in, Android.Adware.Plankton, Android.Adware.Adwo, Android.Adware.AirPush and Android.Counterclank. The behaviors can put user's device and its information at risk. It can also steal user's private information, such as phone number, network status, and email account. List of security high risk apps Application High risk behavior signature / Ad plug-in Malware detection ratio Status # 1. 空空高清影院(激情版) v2.1.4 Category: New Free Applications Installs: 50,000-250,000 High risk behavior description: It is an Ad plug-in bundled with App, ...
Release Date: 28 Aug 2013
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