b). it has extension file name such as below:
*.scr
*.clp
*.pif
*.bat
*.exe
*.com
*.txt
*.doc
*.lhz
*.rhz
and some time it's compressed by *.zip file.Also by the fake name HotMovie.MPEG_ _________ scr. Actualy the file is virus file with extension .scr
HOW TO SEE IS THAT AN EMAIL VIRUS?
You are would able to understand an email virus from their SUBJECT, most of them contains an amazing statement or unsusal word, such as below:
Weah ^_^ )
Hokki

Hi
ello!

)
Hello -)
Hey, dude, it's me ^_^
access Mpeg
Re:your text
Re:Text message
Re:Msg reply
Re:Is that your document?
Re:Hot Movie(MPEG)
Re:Information. ..
Re;Important info
Re:This is your photos!
and more, and more...If you received emails with the subject matter as above, you
should delete even with out openin.