Thursday, March 8, 2007

SymbOS.Feakks Worm

SymbOS.Feakks , Writeup By: Masaki Suenaga
Risk Level 1: Very Low

SUMMARY
Discovered: March 7, 2007
Updated: March 8, 2007 5:13:54 AM
Type: Worm
Infection Length: 3,276 bytes
Systems Affected: Symbian OS

SymbOS.Feakks is a proof of concept worm that spreads through SMS messages.

Threat Assessment: Wild
Wild Level: Low
Number of Infections: 0 - 49
Number of Sites: 0 - 2
Geographical Distribution: Low
Threat Containment: Easy
Removal: Easy
Damage
Damage Level: Low
Payload: Spreads through SMS messages.
Distribution
Distribution Level: Low



Technical Details
Infection Length: 3,276 bytes
Systems Affected: Symbian OS

Once executed, the worm creates the following files:
%System%/apps/feakk.exe
%System%/recogs/feakk.mdl

The worm then searches the contact list for "HACKME" and terminates itself if it is not found.

The worm sends a link that contains a copy of the worm to all the contacts found.

Removal
Install a file manager program on the device.
Enable the option to view the files in the system folder.
Delete the following files:

%System%/apps/feakk.exe
%System%/recogs/feakk.mdl

Exit the file manager.

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