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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Dumaru.B

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Dumaru.B
Technical name:W32/Dumaru.B.worm
Threat level:Low
Alias:W32.Dumaru.C@MM, W32/Dumaru.c@MM, WORM_DUMARU.C, W32/Nugosh-A, W32.Dumaru.B@mm, I-Worm.Dumaru.b
Type:Worm
Effects:  It ends processes belonging to antivirus programs, firewalls and system monitoring tools. It drops a Trojan on the affected computer.

Affected platforms:

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

Detection updated on:Nov. 28, 2003
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Dumaru.B is a worm that spreads via e-mail in a message with the subject Use this patch immediately ! and an attachment called PATCH.EXE.

Dumaru.B ends processes belonging to antivirus programs, firewalls and system monitoring tools. This leaves the affected computer vulnerable to the attack of other viruses and worms.

In addition, once it is run, Dumaru.B goes memory resident and drops the Trojan Trj/PSW.Narod.

Visible Symptoms 

    

Dumaru.B is easy to recognize, as it reaches the computer in an e-mail message with the following characteristics:

  • Sender:
    "Microsoft" security@microsoft.com

  • Subject:
    Use this patch immediately !

  • Message:
    Dear friend , use this Internet Explorer patch now!
    There are dangerous virus in the Internet now!
    More than 500.000 already infected!

  • Attachments:
    PATCH.EXE