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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

W32/Himu.A.worm

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:W32/Himu.A.worm
Technical name:W32/Himu.A.worm
Threat level:Medium
Alias:W32.Himu.A@mm ,Email-Worm.Win32.VB.cv,
Type:Worm
Effects:   It spreads and affects other computers. It terminates processes belonging to security tools, leaving the computer vulnerable to other malware attacks. It uses stealth techniques to avoid being detected by the user. It spreads , via email, via mapped drives, through shared network resources.
Affected platforms:

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

First detected on:July 18, 2007
Detection updated on:July 18, 2007
StatisticsNo

Brief Description 

    

W32/Himu.A.worm is a worm that spreads by copying itself, without infecting other files.

 

It reduces the security level of the computer: it terminates processes belonging to security tools, such as antivirus programs and firewalls, leaving the computer defenseless against attacks from other malware.

 

W32/Himu.A.worm prevents access from programs to websites of several companies related with security tools (antivirus programs, firewalls, etc.).

 

It uses stealth techniques to avoid being detected by the user:

  • It terminates processes corresponding to several security tools, such as antivirus programs and firewalls, to prevent detection.

 

W32/Himu.A.worm uses the following propagation or distribution methods:

  • Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.
  • Email: sending emails that include a copy of itself as an attachment. The computer is infected when the attachment is run.
  • Computer networks (mapped drives): it creates copies of itself in mapped drives.
  • Computer networks (shared resources): it creates copies of itself in shared network resources to which it has access.