Shatrix

Threat description

Details

CATEGORYMalware
TYPEWorm

Summary

Shatrix is a worm that spreads via the Internet being attached to infected emails. The worm also spreads over local network by copying to shared drives. The worm itself is a Windows PE EXE file about 380Kb of length, written in Delphi.



Removal

Automatic action

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Technical Details

The infected messages have:

Subject: FW:Shake a little  Body:    Hi !           This will shake your world :-)           Regards,           %username%  Attach:  SHAKE.EXE  

where %username% is the name of user of an infected machine.

The worm activates from infected email only in case a user clicks on attached file. The worm then installs itself to the system, runs spreading routine and payload.

While installing the worm copies itself to Windows system directory with the random name and registers that file in system registry auto-run key:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run    SystemInfo = %worm file name%  

To send infected messages the worm uses MS Outlook MAPI. To get victim addresses the worm looks for and scans following files:

*.asp *.html *.htm  

Depending on system date the worm creates random directories, drops HTML files with texts which are randomly constructed from strings:

MatriX is out there  MatriX has You...  MatriX is All around You  010011010110000101110100011100100110100101011000  

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