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Win32.Bagle.{F-H}@mm

( Win32.Beagle )
Spreading: high
Damage: low
Size: ~23000 bytes
Discovered: 2004 Feb 28

SYMPTOMS:

- The registry keys
HKCU\Software\Microsoft\Windows\CurrentVersion\Run\rate.exe with value
"C:\Windows\System\i1ru54n4.exe"
HKCU\Software\winword\frun with value "1"
- Listening on port 2745.
- Presence of the following files:
C:\Windows\System\ii5nj4.exe, 1536 bytes
C:\Windows\System\go540o.exe, 24064 bytes
C:\Windows\System\i1ru54n4.exe, ~23889 bytes
C:\Windows\System\i1ru54n4.exeopen, ~23889 bytes

TECHNICAL DESCRIPTION:

The mass-mailer is aproximately 23000 bytes in length, comes as attachement in zip
form with "store" method and password protected. It is packed with PeX.

It arrives in an email in the following format:

From: [forged email address]
Subject: [one of the following]
Hokki =)
Weah, hello! :-)
Weeeeee! ;)))
Hi! :-)
My Name is Frenk
groom
Fotograf
Photoalbum
My photoalbum
Myphotos
My photos
My beautiful person
beautiful
Wau... beautiful (-:
Gallery photos
caroline
Katrina
kleopatra
Caitie
Mary-Anne
Lisa
Bad girl
Julie
Aline
Anna
Barbi
Katrina
Juli
Mary
Mandy
Sara
rebecca
Jammie
kate
Audra
stacy
Rena
Kelley
Tammy
ello! =))
Hey, ya! =))
^_^ meay-meay!
^_^ meay-meay!
^_^ mew-mew (-:
Hey, dude, it\'s me ^_^ :P

Body: [one of the following]
Argh, i don't like the plaintext :)
Fell free to chat with me I accept all ages. Don''''t worry I don''''t bite........hope to hear from you soon!
If you are going to make me cry, at least be there to wipe away the tears *Right now the worst thing for you to tell me that I can find
someone better than you, especially when you are all I want
You don
t know what you
ve got till it
s gone *You hurt me more than I deserve, how can you be so cruel? I love you more than you deserve, how can I be such a fool?
I sit with elders of a gentle race, whose world is seldom seen.Who sit and talk of days for which they wait, when all will be revealed.
These are song lyrics.
I\'m a social butterfly and a natural flirt. Very hard to get my complete attention. Very open and will answer almost anything. But please
don't piss me off. I can be sweet and cuddly or a whatever mood I am in that day so everyday
Love the outdoors, literature, writing, and athletics
When The Trust is Gone So Is The Love That Fades Like the Rain Washing Away All The Sorrows Of Yesterday Why I Ask Myself Must It End Like
This Tomorrow, I Tell Myself, I\'ll Be Okay For Now, I\'ll Just Live In The Memories Of Our Life Together
I enjoy clean conversations but am open to conversing with women and men with little ones as well. I am very open-minded. All authorization
requests will be denied if I don't receive messages and get to know you first.
I love camping, dirt track racing, going for walks, and I have 2 cats - HotRod and Deebo (named from the movie 'Friday' and he lives up to
it!). Life is ever changing, never always easy...
i love to chat to just about anyone!!
If I'm online, it problably means I'm pretty bored....so feel free to message me and say hi or whatever else comes to mind at the moment.
Hey people whats goin on? If there is anything you want to know about me ask me... I am pretty easygoing I won't bite....not at first
anywayz hahaa.....one thing I will say on here tho I am not into the Cyber thing so don\'t even ask.....Ciao...
Hi! My name is Shreya and I am a goof off!!! So, If you love the outdoors, travelling, books, music, movies, laffing, teasing and/or can
poke fun at yourself... please come a hollerin'!!
I love to dance, read poetry, make people laugh, and hug as many people a day as i can.
Single Mom of 3, Full time college student, Graduate in December with an Associates of Applied Science in Computer Information Systems
Love the internet.
My hobbies include crochet, sewing, painting lead figures and playing AD&D. Favorite activities include fishing and camping. I love cats,
unicorns(go figure), and fantasy in general.
I like to be in a company of smart, delicate, and with a good sense of humor people. I am Bulgarian, currently getting my Master's in
International Business in USA. Favorite actor: Michael Dudikoff
i'm tall and skiny I'm studying in Pharm. D program in FL. i like music, movie, dancing, sports, SCUBA diving, traveling and make a lot
friends.
Nice friends, nice men, nice sex and feeling great. I don\'t mind the odd bout of cybersex as I love to use my imagination when I masterbate.
Hey, guys! by the way, I have no problems with my sexual life, so it's absolutly useless try to have icq sex or things like that. Thanks
I'm an open minded person and enjoy chatting w/ other people. I'm free and willing to chat about anything. So feel free to Imed me if you
wanna chat.
I love meeting new people and making new friends. I am a Mary Kay Beauty Consultant. I am married to a wonderful man. We have no children,
exept for a minature schnauzer that thinks he is a child. Looking forward to meeting you.
I am from Taiwan but I study in Camden, New Jersey now. I like to know people from different places .
I'm married and I stay at home. And I don't do cyber sex so leave me the fuck alone
Looking forward for a response :P

After one of these lines, one of the following will appear:

archive password:
password:
pass:
password for archive:

And after that, random bytes that will indeed be the password of the
zip file.

Attachment: [one of the following].zip
Picture
caroline
Katrina
kleopatra
Caitie
Mary-Anne
Lisa
Bad girl
Julie
Aline
Anna
Barbi
Katrina
Juli
Mary
Mandy
Sara
rebecca
Jammie
kate
Audra
stacy
Rena
Kelley
Tammy
myfotos
Gallery
It_I
Photoalbum
Photomontage

Note the .exe or .scr file in the zip archive may not have the same name as the
attachement, but a random chosen name from the above list.

Upon execution, it drops four files into \"C:\\Windows\\System\"
directory, with the following purposes:

- i1ru54n4.exe is the virus unzipped. A key will be inserted in the
registry so that the file will be executed at every operating system
restart.

- ii5nj4.exe, a file which has the purpose of executing go54o.exe.
Injected in the explorer.exe address space.

- go54o.exe is the main component of the virus. Handles all the
mass-mailing.

- i1ru54n4.exeopen is the still the unzipped version of the virus, as
opposed to the previous versions.

The worm checks the date and if the date is after 25 March 2005 the
worm will exit, deleting all registry entries.

The worm will create the registry keys described in the "Symptoms"
sections, and starts a backdoor that will listen for commands on the
port 2745.

The worm will create a mutex named "imain_mutex" and create a series
of threads, performing various functions:

- every 100 milliseconds kill all proces with the name:
ATUPDATER.EXE
AVWUPD32.EXE
AVPUPD.EXE
LUALL.EXE
DRWEBUPW.EXE
ICSSUPPNT.EXE
ICSUPP95.EXE
UPDATE.EXE
NUPGRADE.EXE
ATUPDATER.EXE
AUPDATE.EXE
AUTODOWN.EXE
AUTOTRACE.EXE
AUTOUPDATE.EXE
AVXQUAR.EXE
CFIAUDIT.EXE
MCUPDATE.EXE
NUPGRADE.EXE
OUTPOST.EXE
AVLTMAIN.EXE

- every 2000 milliseconds check if connected to internet.

- every aproximately 28 hours the worm will connect to the
following addresses under the name "beagle2_proclivity":

http://postertog.de
http://www.gfotxt.net
http://www.maiklibis.de

The worm will search the host computer for the filenames with the
following extensions, extracting email addresses from them:

.wab
.txt
.htm
.html
.dbx
.mdx
.eml
.nch
.mmf
.ods
.cfg
.asp
.php
.adb
.sht

The worm will not send itself to addresses containing the following
strings:

@hotmail.com
@msn.com
@microsoft
@avp.
noreply
local
root@
postmaster@

The virus will search for directories on the harddisk whose names
contain "shar" and then copy itself to those directories under the
following names:

Microsoft Office 2003 Crack, Working!.exe
Microsoft Office XP working Crack, Keygen.exe
Microsoft Windows XP, WinXP Crack, working Keygen.exe
Porno Screensaver.scr
Porno, sex, oral, anal cool, awesome!!.exe
Porno pics arhive, xxx.exe
Serials.txt.exe
Windown Longhorn Beta Leak.exe
Windows Sourcecode update.doc.exe
XXX hardcore images.exe
Opera 8 New!.exe
WinAmp 5 Pro Keygen Crack Update.exe
WinAmp 6 New!.exe
Matrix 3 Revolution English Subtitles.exe
Adobe Photoshop 9 full.exe
Ahead Nero 7.exe
ACDSee 9.exe

Thus, the worm threatens the P2P networks as well.

Update: we received samples of yet another version, Win32.Bagle.G@mm. The functionality and manifestation of this version seems to be identical to that of Win32.Bagle.F@mm. The Free Removal Tool has been update to clean all versions of Bagle form C to G. Clean for the rest of the versions is available separately for download (search the description of Bagle.A/B@mm.)

Update #2: Win32.Bagle.H@mm is in sight. Technical differences:

- one of the registry entries has changed:

HKCU\Software\winword\frun with value "1" is now HKCU\Software\winexe, apparentely with no subkeys.

- dropped filenames have changed:

i1ru54n4.exe is now called i11r45n4.exe
ii5nj4.exe is now called i15n1j4.exe
go54o.exe is now called go154o.exe

- the user used to connect to the internet sites is now "544555"

- the subject possibilities have now shrunk to:

Hokki =)
Weah, hello! :-)
Weeeeee! ;)))
Hi! :-)
ello! =))
Hey, ya! =))
^_^ meay-meay!
^_^ meay-meay!
^_^ mew-mew (-:
Hey, dude, it's me ^_^ :P

- the body changed also to one of the following:

Argh, i don't like the plaintext :)
I don't bite, weah!
Looking forward for a response :P

- the password text changed to:

archive password: %s
password: %s
password -- %s
pass: %s
%s -- archive password
...btw, "%s" is a password for archive
password for archive: %s

- the attachement list of names is now:

Attach
TextDocument
Readme
MsgInfo
Document
Info
AttachedFile
AttachedDocument
TextDocument
Text
TextFile
Letter
MoreInfo
Message

Deactivation time remains 25 March 2005.

Removal instructions:

Automatic disinfection: let BD7 delete all files infected or download and run the Free Removal Tool.
Manual disinfection: delete the keys in the registry, and then after restart delete files described in the "Symptoms" section.

ANALYZED BY:

Daniel Ionita Virus Researcher
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Archive

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2010
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2009
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2008
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