Threat Encyclopedia

OSX_MACSWEEP.A

Malware type: Others

Aliases: No Alias Found

In the wild: Yes

Destructive: No

Language: English

Platform: Mac OSX

Encrypted: No

Overall risk rating:

Reported infections:

Damage potential:

Low

Distribution potential:

Low

Description: 

This malware may be dropped by other malware. It may arrive bundled with malware packages as a malware component. It may also be downloaded unknowingly by a user when visiting malicious Web sites.

It supposedly removes unwanted software. Once it finishes scanning for so-called dangerous files in the system, users can choose to remove these in the system but a window prompts them to purchase a product.

For additional information about this threat, see:

Description created: Jan. 19, 2008 6:41:02 AM GMT -0800


TECHNICAL DETAILS


File type: Mach-O

Memory resident:  No

Size of malware: Varies

Initial samples received on: Jan 15, 2008

Details:

This malware may be dropped by other malware. It may arrive bundled with malware packages as a malware component. It may be downloaded unknowingly by a user when visiting malicious Web sites.

This malware supposedly removes unwanted software. It displays the following warning:

OSX_MACSWEEP.A

Once it finishes scanning for so-called dangerous files in the system, users can choose to remove these in the system but the following window prompts them to purchase the said product:

OSX_MACSWEEP.A

This malware runs on a Mac OSX platform.

Analysis By: Joselito Dela Cruz

Updated By: Joselito Dela Cruz

Revision History:

First pattern file version: 4.952.36
First pattern file release date: Jan 19, 2008
 
Feb 18, 2008 - Modified Malware Report

SOLUTION


Minimum scan engine version needed: 8.300

Pattern file needed: 4.953.00

Pattern release date: Jan 20, 2008


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:

(Note: This malware may arrive on systems running on Windows platforms. If you are running on any Windows platform, perform the following solution.)

Important Windows ME/XP Cleaning Instructions

Users running Windows ME and XP must disable System Restore to allow full scanning of infected computers.

Users running other Windows versions can proceed with the succeeding solution set(s).

Running Trend Micro Antivirus

If you are currently running in safe mode, please restart your computer normally before performing the following solution.

Scan your computer with Trend Micro antivirus and delete files detected as OSX_MACSWEEP.A. To do this, Trend Micro customers must download the latest virus pattern file and scan their computers. Other Internet users can use HouseCall, the Trend Micro online threat scanner.




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