OSX_ARCHSMS.A
Trojan.SMSSend.3666 (DrWeb), Trojan.OSX.SMSsend.A, Hoax.OSX.ArchSMS.a (Kaspersky), OSX/ArchSMS-J
Mac OS X

Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan is a fake installer for Mac OS X. It asks for the user's mobile number. As such, users are charged for the bogus program through their mobile accounts.
To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.

For the related story, you may read the blog post Fake Installer for Mac OS Charges Users via Their Mobile Account
This Trojan may be manually installed by a user.
TECHNICAL DETAILS
13,208,680 bytes
Mach-O
13 Dec 2012
Displays graphics/image
Arrival Details
This Trojan may be manually installed by a user.
Other Details
This Trojan displays a pop-up window with the following message:
NOTES:
This malware displays a pop-up screen that requires a mobile number in order to extract an application. When users, provided their number they receive an activation code that when entered on the pop-up screen results in money loss or increase in billings.
SOLUTION
9.300
9.592.03
13 Dec 2012
9.595.00
15 Dec 2012
Scan your computer with your Trend Micro product to delete files detected as OSX_ARCHSMS.A. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
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