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Twittworm.A

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

It prevents users from accessing websites related to computer security and searchers, starting the computer in Safe mode and restoring the system. It spreads via Twitter, MSN Messenger and through removable drives.

Affected platforms:

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

First detected on:Jan. 20, 2010
Detection updated on:Jan. 26, 2010
StatisticsNo

Brief Description 

    

Twittworm.A is a worm that carries out several modifications in the Windows Registry, which prevent the user from accessing websites related to computer security companies and searchers, starting the computer in Safe mode and restoring the system.

Twittworm.A spreads using the following means:

  • Social networks like Twitter.
  • Instant messaging programs like MSN Messenger.
  • Removable drives.

Visible Symptoms 

    

Twittworm.A is difficult to recognize, as it does not display any messages or warnings that indicate it has reached the computer.

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