The spammers uses
the
information and relay as much email as they can through the captured
computer, knowing that mails being traced will lead to the hijacked
Internet Address.
Viruses, Spyware, and Mailicous Code
Not too long ago viruses and spyware started to appear, some disguise
as freeware that transparently load themselves or are sent
via email to your mail client (ie: outlook, eudoramail)
And these spyware--"report" and send your address book contact lists back to their home
base, some examples:
Proxy-Guzu or Jeem
spam zombies
Trojans
that hijack ordinary PCs without the owner knowledge by installing
built-in SMTP engine program to send spam.
The Klez virus for example, select
random email address from an infected PCs and insert the email address into the "From:" and "To:" fields, making it appear that
someone else has sent the message.
The W32.Yaha.P@mm worm/virus that email itself to
all of the contacts in your Windows Address Book, MSN Messenger, .NET
Messenger, Yahoo Pager, and in all the files whose extensions contain the
letters HT.
Free anti-spam zombies, spambot,
spyware, adsware software program download for personal use only from
www.lavasoft.nu