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Internet Gateway Virus Alerts: |
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NEW
STRAIN OF THE LOVE BUG VIRUS
A new strain of the Love Bug Virus is on the
loose. This new virus is more dangerous than the last because
the subject changes each time the email is sent. For full details
see www.mcafee.com.
Love Bug
Virus Update 5/10/00
We are continuing to monitor this virus and
are doing what we can to stop it from coming through our system.
Because of the way the virus has mutated with the different subjects
and such we can't block them all. We therefore strongly suggest that
you make sure your anti-virus software is kept up to date. For the latest information on this
virus check out www.mcafee.com.
Keith
New Virus On
The Loose 5/4/00
A new virus has hit hard today (Thursday, May 4th). East Coast and Central
Time Zones are in full swing with it, Mountain and Pacific still have some
time to watch for it before it hits full-force.
Do Not Open Emails With The Subject "ILOVEYOU"
Delete the message.
It contains an attachment in Visual Basic that will remail to all of the
your contacts. Unlike the previous versions, this one will not stop at the
first 50 or 100, but rather your entire contact and mail list.
See http://www.symantec.com/avcenter/venc/data/vbs.loveletter.a.html
That site is nearly unreachable due to traffic, so here is the text:
VBS.LoveLetter.A
This is an email worm, mIRC worm, and file infector.
Also known as:
Category: Worm
Infection length: 10307
Virus definitions: Pending
Threat assessment:
Damage:
High
Distribution:
High
Wildness:
High
Wild
Number of infections: More than 1000
Number of sites: More than 10
Geographic distribution: High
Threat containment: Moderate
Removal: Moderate
Damage
Payload:
Large scale e-mailing: All the addresses in
Microsoft Outlook address book
Degrades performance: May clog mail servers
Distribution
Subject of e-mail: ILOVEYOU
Name of attachment: LOVE-LETTER-FOR-YOU.TXT.vbs
Size of attachment: 10307
Technical description:
This is a preliminary writeup. The information
contained within is
to provide as much information as possible at this
time.
VBS.LoveLetter.A is an email worm, mIRC worm, and a
file
infector. VBS.LoveLetter.A will use Microsoft Outlook
and email
itself out as an attachment with the above subject line
and
attachment name. The body of the message will be
kindly check the attached LOVELETTER coming from me.
The virus will also infect files with the following
extensions: vbs,
vbe, js, jse, css, wsh, sct, hta, jpg, jpeg, mp3, and
mp2
The virus will drop the following files:
MSKernel32.vbs in the Windows System directory
Win32DLL.vbs in the Windows directory
LOVE-LETTER-FOR-YOU.TXT.vbs in the Windows System
directory
WinFAT32.EXE in the Internet download directory
WIN-BUGSFIX.EXE in the Internet download directory
script.ini in the mIRC directory
SARC recommends Administrators filter on the attachment
name
and Subject line immediately.
This writeup will be verified and formalized within the
hour.
Removal:
Delete found infected files.
Write-up by: Eric Chien
Updated: May 4, 2000
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New
Virus Recently Released 06/12/99
Ahh; life just wouldn't be the same without computer viruses, and to keep that
merry spirit alive, unidentified malicious coders have just created a new one that is
rapidly spreading across the Net. This new virus is the EZ worm, or the ExploreZip worm,
and only affects Win95/98 users. This worm utilizes Microsoft Outlook, Outlook Express,
and Exchange to do its dirty work. The virus is sent as an executable attached to letters
that are replies from infected machines. The message says something like: Hi! I got your
email, and I will reply ASAP. Until then take a look at the zipped documents. Upon running
the exe, it infects the machinie, searches all local and networked drives for files of the
following extensions .h, .c, .cpp, .asm, .doc, .ppt, or .xls, and deletes all such files.
The virus also adds itself into the win.ini files, and attaches itself as a reply to all
new emails in your inbox, then mails itself out as shown above. If you believe you are
infected with this virus, Symantec.com has released
information for a fix for the virus located here. Thanks. |
Happy99
Worm Going Through Email and Newsgroups
A few of you have received emails with an attachment named
"happy99.exe." This attachment is a worm program. First, it displays some
fireworks with the message "Happy New Year 1999"to distract the user while it
copies itself as "SKA.exe" and extracts a DLL (Dynamic Link Library) named
"SKA.dll" into the /Windows/System directory. It also modifies the
"WSOCK32.dll" file and copies the original file as "WSOCK.SKA".
WSOCK.dll is part of your WinSock program, and it handles internet connectivity in Windows
95/98. It's programmed to send/post a new article/message of itself to someone else from
you while you are online with the Happy99.exe file as an attachment. For information on
removing the worm, visit the symantec.com website's article on Happy99. Thanks.
Patches For Microsoft Products
Some of you may have read about the recent security holes in some
Microsoft Products that were listed in an article inside of the Austin American Statesman. Microsoft has released some
patches for some of these holes. If you are interested, and would like to read about them,
or download the patches, go here.
Thanks, and as always, please send your Internet surfing and security questions to Garret Van Burace
Back
Orifice
We here at Internet Gateway, Inc. have found that a nasty
"virus" named the "Back Orifice (BO)" is going around through emails,
file transfers, downloads, and online greeting cards. The Back Orifice Program allows
someone complete near undetectable control of any infected computers running on Windows
95/98. Computers running on any other OS, (Windows NT, Macintosh, etc.) are NOT vulnerable
to this virus. ONLY Windows 95 and Windows 98 systems can be infected and controlled. We
have tested this program out at the office, and it works like a charm.
The program operates somewhat like this: you run an application that
is infected with the BO "server", the server installs itself in your computer
(default is C:\Windows\System\ .exe) and then deletes itself from the program you
originally ran. The default name of the server is " .exe" or
"Spacebar.exe". (This can be changed however). Once infected your computer can
be found through a "sweep" of pings to our server, and then your computer. The
Back Orifice Server on your system will then reply with a "pong" giving your IP
address and system name to the sweeper. From there he can gain control of your computer
and do anything you can do, and something's you can't do, including: view cached passwords
(Windows caches your passwords in an attempt to keep you from forgetting them), format
hard drives, lockup system, reboot system, view files, establish a remote keylog, and
more.
Do not panic however, our system itself is NOT vulnerable to the
Back Orifice virus, just our end-users running on Win 9x. Furthermore, we have NOT found
anyone infected on our server yet. To get rid of the virus, you can download BO Detect
v.201 free of charge here
or here,
or you can perform a free online house call and search for ALL virus's (not just the Back
Orifice) by going here. Also, any virus
scanners/shields you have installed (Norton, McAfee, etc.) will NOT find the Back Orifice.
We have caught people sweeping our system in hopes to find an infected computer, and let
us assure you that they were sorely disappointed as we logged their IP address, and
notified their servers. We will continue to notify the ISP's of anyone caught sweeping us
with the Back Orifice. To those of you using our service, do NOT try to sweep our users.
We monitor the ports, and we DO see the Back Orifice packets. If you're caught sweeping
us, you will hear from us pronto! Rest assured as well if we find that any of you have an
infected computer, we will notify and assist you in getting rid of BO. If you have any
questions or comments please send them to Keith
or Garret.
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