F-Secure Virus Descriptions : Cabir.M

Summary

Cabir.M is a minor variant of Cabir.B the only significant differences are that the Cabir.M displays different text on the start dialog when worm starts and that the Cabir.M spreads as free$8.SIS instead of Cabir.SIS.

Cabir.M displays text "free$8" while Cabir.B displays text that contains just "Caribe".

For more details, see description of Cabir.A http://www.f-secure.com/v-descs/cabir.shtml

Disinfection

Disinfection

F-Secure Mobile Anti-Virus will detect the Cabir.M and delete the worm components. After deleting worm files you can delete this directory: C:\SYSTEM\MALAYSIAJOHOR--jb\yuanV3-diy-by-7022207\

If your phone is infected with Cabir.M and you cannot install files over bluetooth, you can download F-Secure Mobile Anti-Virus directly to your phone

1. Open web browser on the phone
2. Go to http://mobile.f-secure.com
3. Select link "Download F-Secure Mobile Anti-Virus" and then select phone model
4. Download the file and select open after download
5. Install F-Secure Mobile Anti-Virus
6. Go to applications menu and start Anti-Virus
7. Activate Anti-Virus and scan all files

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Detailed Description

Cabir.M is minor hexedit variant of Cabir.B, with the exception of new filename and different text displayed in worm start. Cabir.M behaves identically Cabir.B

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Detection

Generic detection that detects Cabir.M was published for F-Secure Mobile Anti-Virus on December 13th, 2004 in database build number 15.

Exact detection that shows correct variant letter published on January 3rd, 2005 in database build number 20.

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Write-up: Jarno Niemela, January 3rd, 2005;

F-Secure Corporation