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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

RenameLoi.A

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:RenameLoi.A
Technical name:W32/RenameLoi.A.worm
Threat level:Medium
Type:Worm
Effects:  

It carries out several modifications in the Windows Registry, which prevent the computer from working properly. It can modify Windows protected files, which could cause problems with the operating system. It spreads through local, removable and mapped drives.

Affected platforms:

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

First detected on:March 28, 2008
Detection updated on:March 28, 2008
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

RenameLoi.A is a worm that carries out several modifications in the Windows Registry, which prevent the user from working with the computer as usual.

These modifications prevent the user from carrying out the following actions, among others:

  • Viewing the processes that are being run through the Task Manager.
  • Modifying the configuration of the features of the folders.

Additionally, it modifies the start and search page of Internet Explorer.

On the other, it disables Windows File Protection (WFP). This implies that the Windows protected files can be modified, which could cause problems with the operating system and the installed programs.

RenameLoi.A through local, removable and mapped drives, making copies of itself in them.

Visible Symptoms 

    

RenameLoi.A is easy to recognize, as it shows the following symptoms:

  • When it is run, if the user opens the Internet Explorer browser, the following page is displayed while a noise similar to a whistle can be heard:

  • This page is also displayed:
    - whenever the computer is started.
    - as the start and search page of Internet Explorer.
  • Additionally, while the computer is being started, it displays the following message instead Windows':