Classification

Category: Malware

Type: Worm

Aliases: Funny, I-WORM.Funny, VBS/Funny

Summary


Funny worm spreads in a similar way as LoveLetter. All three known variants of this worm drop, run and delete a binary file Startx.exe that is a password stealing trojan detected by F-Secure Anti-Virus as 'Trojan.PSW.Hooker.24.e'. This trojan is run if the virus found a UBS banking software installed on the victim's machine. Otherwise it replicates as a worm.

Removal


Automatic action

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Technical Details



Variant:Funny.A

This variant sends email to all recipients in Outlook address book with:

Subject: Funny story
 Attachment: FUNNY_STORY.HTM.vbs

In addition, it tries to connect to a web location.


Variant:Funny.B

This variant is similar with Funny.A, but it sends messages with the following:

Subject: When did you die?
 Attachment: LIFE_ASSURANCE.HTM.vbs

Variant:Funny.C

Funny.C spreads in messages with:

Subject: Rechnungsabschrift
 Attachment: RECHNUNGSABSCHRIFT.DOC.vbs

This variant does not try to connect to the web. It creates a text file RECHNUNGSABSCHRIFT.DOC and open it with Write.exe. The text file contains the following information:

INVOICE

 Date:
September 18, 2000

 From:
Katrin Heinze
19, chemin des Aulx
CH-1228
Plan-les-Ouates,
Geneva
Switzerland

 To:
 Myron Schmidt"
Ch. des Boveresses 151
CH-1066 Epalingess/Lausanne
Switzerland

 Item

Description

 Item

Description Cost

1August Voice Mail ChargesCHF
35.00

 1Internet - Reserve Domain Name (2 years)
 CHF
250.00

 1Internet - Set Up Fee

CHF
110.00

 1Internet - Creation Fee
CHF
250.00

 1Internet - Submit to 540 Search Engines

CHF
50.00

 1Internet 6 Months of Hosting
 CHF
200.00

 Total
 CHF 895.00