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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Prolin

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Prolin
Technical name:W32/Prolin.A
Threat level:Low
Alias:Troj_Shockwave.A; W32/Prolin.A-mm,
Type:Worm
Effects:  It renames files with a JPG, MP3 and ZIP extension.

Affected platforms:

Windows 2000/NT/ME/98/95

First detected on:
Detection updated on:May 8, 2009
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Prolin is a worm that spreads in an e-mail message with the subject A great Shockwave flash movie and an attached file called CREATIVE.EXE.

This files passes itself off as a Flash presentation, whereas it is actually a virus.

Prolin renames all the files it finds with a JPGMP3 and ZIP extension. It also creates a file that contains a list of all the files infected by the worm. This text file invites the user of the affected computer to rename these files in order to recover their original content.

Visible Symptoms 

    

Prolin is easy to recognize, as:

  • It reaches computers in an e-mail message with the subject A great Shockwave flash movie and an attached file called CREATIVE.EXE. This file has the icon that is typically associated with files created with the application Macromedia Flash.
  • It moves the files it infects to the root directory. Therefore, files with an extension like MP3change at least now to LINUX indicate that Prolin has infected a computer.
  • It sends an e-mail message to a Yahoo address. Therefore, a message in Outlook’s Outbox with the characteristics described below also indicates that Prolin has infected a computer:

Subject:

Job complete

Message:

Got yet another idiot