Proactive IT Security
 

W32/Mimail.E@mm

Threat risk

Threat risk medium

Detection files published:
1 Nov 2003
Description created:
2003-11-01
Description updated:
2003-11-01

Malware type:
Worm
Alias:
Spreading mechanism
Email

Payload:
Performs denial-of-service attack

Summary

This is an email worm in the Mimail family. File size is 10784 bytes

Spreading description

Email characteristics:

Subject: don't be late! + (random letters)
Body: Will meet tonight as we agreed, because on Wednesday I don’t think I’ll make it,

so don’t be late. And yes, by the way here is the file you asked for.
It’s all written there. See you.

(+ random letters)
Attachment: readnow.zip (containing readnow.doc.scr)
This worm is very similar to the Mimail.C email worm.

When run, copy itself to the Windows directory and install itself in the registry:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run Cnfrm32 = [WINDIR]cnfrm.exe

Threat description

Similar to the Mimail.C worm, this variant performs a denial-of-service attack.

Targets are:

www.spamcop.net
www.spamhaus.org
www.spews.org

Removal

General information about removal of malicious software

Norman's antivirus products are in general able to remove all malicious software that is detected.
Some malware, however, uses techniques that the general product does not remove sufficiantly. We have therefore developed the free product Norman Malware Cleaner. Please use the latest version of this program from the link below - if your Norman antivirus is unable to clean-up the infection.

Usage Title Comment
  Stopping network share infectors  
  Cleaning of back-up folders on Windows Me and XP