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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Mimail.B

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Mimail.B
Technical name:W32/Mimail.B.worm
Threat level:Low
Type:Worm
Subtype: Keylogger
Effects:  It logs keystrokes, which allows it to access confidential information.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:Sept. 11, 2003
Detection updated on:Nov. 5, 2003
StatisticsNo

Brief Description 

    

Mimail.B is a worm with Trojan characteristics that spreads via e-mail in a message with the subject Fraudulent escrow service and the attached file INFO.ZIP.

Mimail.B exploits the following vulnerabilities:

  • Internet zone: Internet Explorer vulnerability. It allows a hacker to open an executable file already present in the affected computer.
  • MHTML: Outlook Express vulnerability. It allows hackers to send and run a file of their choice.

Due to its Trojan characteristics, Mimail.B logs keystrokes, which allows it to record passwords, bank account numbers, etc.

Visible Symptoms 

    

Mimail.B is easy to recognize, as it reaches the computer in a message with the subject Fraudulent escrow service and attached file called INFO.ZIP.