This malware arrives as a Trojanized application named Jimm Application (an instant messaging client for ICQ network). It sends SMS messages to premium-rate numbers thus the user is billed for these subscriptions.
To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.
This Trojan may be downloaded using malicious QR codes. Once the malicious QR code is scanned, the user is redirected to a URL where the malicious file can be downloaded.
It attempts to sends several SMS messages to a certain premium rate number. An icon named 'JimmRussia' also appears in the phone menu.
File size: 2,700,420 bytes
File type: DEX
Memory resident: No
Initial samples received date: 28 Sep 2011
NOTES:
This Trojan may be downloaded using malicious QR codes. Once the malicious QR code is scanned, the user is redirected to a URL where the malicious file can be downloaded.
The downloaded malware is a Trojanized Jimm application (instant messaging client for ICQ network). It attempts to sends several SMS messages to premium rate number 2476. Once installed, an icon named ‘JimmRussia’ appears in the phone menu.
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