What is a virus extension?

May 15
2009

We’ve received many e-Mails and requests for a list of virus extensions. In case you do not know what an extension is, it is the period + last 3 numbers of a file. Here are some extensions you should be cautious opening:

“.exe” (Executable)

“.scr” (Screen Saver)

“.com” (Not the website, but the file-type)

“.bat” (System file)

“.sct” (Script File)

“.ocx” (ActiveX Objects)

“.dll” (Dynamic Link Libraries)

Extensions that you should not be particularly afraid of:

Pictures such as: JPG, PNG, BMP, GIF, TIFF, THUMB, PIC.

Documents such as: DOC, TXT, EX, RTF.

Movies Such as: MPG, MPG4, MPEG, AVI, FLV, WMV.

 

I still recommend using an Anti-virus program to scan the ones you don’t particularly have to care about (in-case somebody releases a malicious virus via a private exploit found in those extension types). Check here for a list of anti-virus programs and firewalls.


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3 Responses to “What is a virus extension?”

  1. Vivalkakira says:

    Nice post — this really hits home for me.

  2. yapapanyatt says:

    Excellent review! Mint takes Ubuntu and makes it work! After your review, I plan to use it.

  3. CleallyLefe says:

    The article is ver good. Write please more

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