Virus Name : Worm.Happy99
Alias : I-Worm.Happy,
Virus type : Internet
level : Low
The is a
Win32-based e-mail and newsgroup worm. It
displays fireworks when executed first time as
Happy99.exe. ( Normally this file arrives as an
e-mail attachment to a particular PC, or it is
downloaded from a newsgroup.) When executed first
time, it creates SKA.EXE and SKA.DLL in the
system directory. Also it modifies WSOCK32.DLL to
This worm also maintains
a list of addresses it has posted a copy of
itself. This is stored in a file called
LISTE.SKA. (The number of entries are limited in
this file.) The worm contains the following
encrytped text which is not displayed:
Is it a virus, a
worm, a trojan?
MOUT-MOUT Hybrid (c) Spanska 1999.
The mail header of the
manipulated mails will contain a new field called
"X-Spanska: YES". Normally this header
field is not visible to receivers of the message.
Since the worm does not check WSOCK32.DLL's
attribute, it can not patch it if it is set to
read only. Please note that after disinfection of
this worm you will have to rename WSOCK32.SKA
back to WSOCK32.DLL in \WINDOWS\SYSTEM folder to
restore all original WinSock capabilities. "
How can I protect my
Solo has incorporated happy99 in its signature file to
protect users from this worm attack. Solo
antivirus registered users are already protected
from this worm. Make sure that you have installed
registered version of Solo Antivirus to protect
your system from all virus threats.
to remove this worm?
you are already infected with this worm, you can
remove it from your computer using Solo Antivirus
software. Solo antivirus can detect and
remove Happy99 worm safely. Use the
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