Email-Worm.Win32.Redesi

Technical Details

This is an Internet worm, which spreads via e-mail messages using Microsoft Outlook.

When launched, the worm copies itself to the following locations:

C:Si.exe
C:ReDe.exe
c:Disk.exe
c:Common.exe
c:UserConf.exe

Then, it sends itself to all recipients of victim’s Outlook Address book.

If Microsoft Outlook is not present at victim’s computer, the worm is unable to spread.

The subject of messages sent by the worm is selected randomly from a list of pre-defined strings.

The attached file is always one of the following:

Si.exe
Common.exe
UserConf.exe
ReDe.exe
Disk.exe

If the worm was launched on the computer for the first time, it show a message:

Title: Microsoft Windows Update
Message: Your Windows Update has been successful.

If current date is 11 November 2001, and Windows short date format is either mm/dd/yy, or dd/mm/yy, the worm writes several command to autoexec.bat, so in Windows 9x the C: drive will be formatted after reboot.

The worm writes the following registry key to start automatically with Windows:

HKLMSoftwareMicrosoftWindowsCurrentVersionRunRede

The worm sends itself in e-mail messages that have the following content:

Subject is one of the following:
FW: Microsoft security update.
FW: Security Update by Microsoft.
FW: IT departments on state of HIGH ALERT.
FW: Important news from Microsoft.
FW: Stop terrorists computer viruses reign.
FW: Terrorists release computer virus.
FW: Emergency response from Microsoft Corp.
FW: Terrorist Emergency. Latest virus can wipe disk in minutes.
FW: Microsoft Update. Final Release Candidate.
FW: New computer virus.

Message body:

Just recieved this in my email
I have contacted Microsoft and they say it’s real !

—–Original Message—–
From: Microsoft Support Desk [mailto:Support@microsoft.com]
Sent: 17 October 2001 15:21
Subject: Security Update

Due to the recent spate of email spread computer viruses Microsoft Corp has released a security patch. Please apply the attached file to your Windows computer to stop any futher spread or these malicious programs. Regards Microsoft Support

The worm’s body contains the following strings:

Mind the Threefold Law ye should, three times bad and three times good.
When misfortune is enow, wear the blue star on thy brow.
True in love ye must ever be, lest thy love be false to thee.
These words the Wiccan Rede fulfill: An ye harm none, do what ye will.
Rede(c)Si 2001 … heh, want my phone number too ?!?
Sick of all thes 3rd world gits spreading worms. Time for a bit of Welsh stuff 🙂

Resedi.b

The subject of the messages sent by the worm is one of the following:

Kev Gives great orgasms to ladeez!! — Kev
hell is coming for u, u will be sucked into a bottomless pit!!! — Gaz
Scientists have found traces of the HIV virus in cows milk…here is the proof — Will
Yay. I caught a fish — Six
I don’t want to write anything but Si is bullying me. — Jim
I want to live in a wooden house — Arwel
Michelle still owes me �10 … shit ! — Si
Why have I only got cheese and onion crisps? I hate them !! — Si
A new type of Lager / Weed variant…… sorted !
My dad not caring about my exam results — by Michelle

Message body: heh. I tell ya this is nuts ! You gotta check it out !

When messages are sent, the worm shows the following message: