Worm/Mytob.F.1 - Worm

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Summary

Full description

Statistics

Virus:	Worm/Mytob.F.1
Date discovered:	23/03/2005
Type:	Worm
In the wild:	Yes
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Low
Static file:	Yes
File size:	6.050 Bytes
MD5 checksum:	526889b766bb23a3ac2bf20820f212ee
VDF version:	6.30.00.43 - Wed, 23 Mar 2005 16:41 (GMT+1)

General Method of propagation:
   • Messenger

Aliases:
   • Symantec: W32.Mytob.L@mm
   • Kaspersky: Net-Worm.Win32.Mytob.f
   • TrendMicro: WORM_MYTOB.J
   • Grisoft: I-Worm/Mytob.E
   • VirusBuster: I-Worm.Mytob.I
   • Bitdefender: Worm.Mytob.F

Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003

Files It tries to executes the following file:

– Filename:
• %PROGRAM FILES%\Messenger\msmsgs.exe

Messenger It is spreading via Messenger. The characteristics are described below:

– MSN Messenger
– Windows Messenger

To:
All online contacts in the contact list.

Propagation via file
It sends a file with one of the following filenames:
   • C:\funny_pic.scr
   • C:\see_this.scr
   • C:\my_photo2005.scr

File details Programming language:
The malware program was written in Visual Basic.

Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
• FSG

See a brief description here.

Description inserted by Andrei Gherman on Thu, 02 Feb 2006 18:06 (GMT+1)
Description updated by Andrei Gherman on Wed, 19 Apr 2006 11:00 (GMT+1)

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