Temen temen mungkin informasi ini sedikit berguna...
Ringkasnya adalah soal Virus Happy99 yang bisa me-multiply message yang kita
kirimkan tanpa sepengetahuan kita yang bisa merugikan orang lain.
Virus ini disebarkan lewat Attachment "Happy99.exe".kalau ada yang terima
attachment tersebut jangan diexecute.
thnx,
aldi
======================(cut and paste from ZDNet)
Happy99.exe started making its way around the Internet about Jan. 20,
sending hundreds of copies of itself via e-mail attachments and newsgroup
postings. According to Helsinki, Finland, data security firm Data Fellows
Inc., the worm does not attempt to destroy files on infected machines, but
it sends e-mails and newsgroup postings without the victim's knowledge and
could cause network slowdowns or even crash corporate e-mail servers.
The worm, so designated because it can replicate on its own, arrives as an
e-mail or newsgroup attachment and infects only users who run the
attachment.
Once they do, all victims see is a window with a fireworks display. But
behind the scenes, the worm alters the host computer's winsock32.dll file,
the computer's doorway to the Internet. Then, each time a user intiates
e-mail or newsgroup activity, by either receiving or sending e-mail or
posting to a newsgroup, Happy99 spams the newsgroup or e-mail recipient with
copies of itself. Any type of activity on port 25 or 119 will trigger spam
activity, according to Takata, senior software support engineer of Data
Fellows.
It also keeps a list of the spammed e-mail addresses and newsgroups in a
separate file called LISTE.SKA.
Patch available
Because the original version of wsock32.dll is preserved in backup form as
WSOCK32.SKA, newsgroup posters say they've been able to restore their
machines without much difficulty. Data Fellows has a patch that recognizes
the worm.
Infected users can click here for full instructions on how to remove the
worm from their systems.
It poses no risk to data, but can be more than a nuisance to network
administrators.
"If you have 100 PCs and everyone is checking e-mail at 9 a.m. and this
thing starts flying around, absolutely it can slow down a network," Takata
said. "It can crash your e-mail server. I wouldn't be surprised if it did."
Because the e-mail header contains "MOUT-MOUT Hybrid (c) Spanska 1999."
Takata speculated that the Happy99 author also wrote a series of viruses
known as the spanska viruses (click here for a description). Those were
first reported in September 1997 and randomly displayed political messages,
such as, "Remember those who died for Madrid."
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