Threat Encyclopedia

OSX_HELLRTS.A

Malware type: Backdoor

Aliases: No Alias Found

In the wild: Yes

Destructive: No

Language: English

Platform: Windows 98, ME, NT, 2000, XP, Server 2003

Encrypted: No

Overall risk rating:

Reported infections:

Damage potential:

Medium

Distribution potential:

Low

Description: 

This MAC OSX malware may arrive as a package disguised as an iPhoto installer.

This application contains two parts, the Configurator and the Server. The Configurator is used to set the email address and the SMTP server, and that configuration will be written on the Server.

The default SMTP server on the application is smtp.wanadoo.fr, which can be found on iPhoto.app.

Read more about this theat incident on the Malware Blog entry Mac Malware Disguised as iPhoto Installer.

For additional information about this threat, see:

Description created: Apr. 19, 2010 1:52:37 PM GMT -0800


TECHNICAL DETAILS


File type: Java Class

Memory resident:  Yes

Size of malware: 3,307,783 Bytes

Initial samples received on: Apr 17, 2010

Details:

This MAC OSX malware may arrive as a package disguised as an iPhoto installer.

This application contains two parts, the Configurator and the Server. The Configurator is used to set the email address and the SMTP server, and that configuration will be written on the Server.

The default SMTP server on the application is smtp.wanadoo.fr, which can be found on iPhoto.app.

Analysis By: Julius Caezar R. Dizon


SOLUTION


Minimum scan engine version needed: 8.900


Important note: The "Minimum scan engine" refers to the earliest Trend Micro scan engine version guaranteed to detect this threat. However, Trend Micro strongly recommends that you update to the latest version in order to get comprehensive protection. Download the latest scan engine here.

Solution:

For Windows ME and XP users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

 Step 1: Scan your computer with your Trend Micro product to delete files detected as OSX_HELLRTS.A  

*Note: 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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