Virus Database

I-Worm.Bagle.y

Description I-Worm.Bagle.y

This worm spreads via the Internet as an attachment to infected messages. The worm itself is a PE EXE file of approximately 38KB, packed using UPX. The unpacked file is approximately 70KB in size.
Characteristics of infected messages
Sender's address (chosen at random from the following):
annie
ann
christina
christy
jessie
lizie
secretGurl
Message header (chosen at random from the following):
Encrypted document
Fax Message Received
Forum notify
Hello!
Hey!
Hidden message
I just need a friend
I like you
I'm a sad girlall
I'm bored with this life
Incoming message
Let's socialize, my friend!
Let's talk, my friend!
Notify from a known person ;-)
Protected message
Re: Document
Re: Hello
Re: Hi
Re: Incoming Fax
Re: Incoming Message
Re: Msg reply
RE: Protected message
RE: Text message
Re: Thank you!
Re: Thanks :)
Re: Yahoo!
Request response
Site changes
Message body:
There is a wide range of possible message texts.
The message may contain a VBS script; if this is launched by the user, it exploits a Microsoft Internet Explorer vulnerability (defined in Microsoft Security Bulletin MS03-040) which makes it possible to download the executable worm file via the Internet from several dozen infected web sites.
Attachment name:
Random, with one of the following extensions: .exe .com .scr .cpl. hta .vbs .zip
Installation
Once launched, the worm copies itself to the Windows system directory under the name "drvsys.exe", and registers this file in the system registry autorun key:
[HKLMSOFTWAREMicrosoftWindowsCurrentVersionRun]
"drvsys.exe" = "%system%drvsys.exe"
and creates the following files in the Windows system directory
drvsys.exeopen
drvsys.exeopenopen
When starting, the worm displays the message shown below:

The worm searches the system register for keys created by other worms (e.g. Netsky) and deletes them:
9XHtProtect
Antivirus
EasyAV
FirewallSvr
HtProtect
ICQ Net
ICQNet
Jammer2nd
KasperskyAVEng
MsInfo
My AV
NetDy
Norton Antivirus AV
PandaAVEngine
service
Special Firewall Service
SysMonXP
Tiny AV
Zone Labs Client Ex
The worm also attempts to connect to a range of remote sites, and to save information about the victim computer on these sites.
Propagation
The worm searches the computer for files with the following extensions:
adb
asp
cfg
cgi
dbx
dhtm
eml
htm
jsp
mdx
mbx
mht
mmf
msg
nch
ods
oft
php
pl
sht
shtm
stm
tbb
txt
uin
wab
wsh
xls
xml


and sends itself to all email addresses found in these files.
It uses its own SMTP-server to send messages.
Propagation via P2P
The worm searches the computer for folders where the name contains the word 'shar' and copies itself several times to each folder found, under the following names:
ACDSee 9.exe
Adobe Photoshop 9 full.exe
Ahead Nero 7.exe
Kaspersky Antivirus 5.0
KAV 5.0
Matrix 3 Revolution English Subtitles.exe
Microsoft Office 2003 Crack, Working!.exe
Microsoft Office XP working Crack, Keygen.exe
Microsoft Windows XP, WinXP Crack, working Keygen.exe
Opera 8 New!.exe
Porno pics arhive, xxx.exe
Porno Screensaver.scr
Porno, sex, oral, anal cool, awesome!!.exe
Serials.txt.exe
WinAmp 5 Pro Keygen Crack Update.exe
WinAmp 6 New!.exe
Windown Longhorn Beta Leak.exe
Windows Sourcecode update.doc.exe
XXX hardcore images.exe
Remote administration
The worm opens port 2535 and tracks port activity. The backdoor function makes it possible to remotely execute commands and download files to the victim machine.
Other
The worm attempts to combat antivirus programs and firewalls by terminating the following memory processes:
AGENTSVR.EXE
ANTI-TROJAN.EXE
ANTIVIRUS.EXE
ANTS.EXE
APIMONITOR.EXE
APLICA32.EXE
APVXDWIN.EXE
ATCON.EXE
ATGUARD.EXE
ATRO55EN.EXE
ATUPDATER.EXE
ATWATCH.EXE
AUPDATE.EXE
AUTODOWN.EXE
AUTOTRACE.EXE
AUTOUPDATE.EXE
AVCONSOL.EXE
AVGSERV9.EXE
AVLTMAIN.EXE
AVprotect9x.exe
AVPUPD.EXE
AVSYNMGR.EXE
AVWUPD32.EXE
AVXQUAR.EXE
BD_PROFESSIONAL.EXE
BIDEF.EXE
BIDSERVER.EXE
BIPCP.EXE
BIPCPEVALSETUP.EXE
BISP.EXE
BLACKD.EXE
BLACKICE.EXE
BOOTWARN.EXE
BORG2.EXE
BS120.EXE
CDP.EXE
CFGWIZ.EXE
CFIADMIN.EXE
CFIAUDIT.EXE
CFINET.EXE
CFINET32.EXE
CLEAN.EXE
CLEANER.EXE
CLEANER3.EXE
CLEANPC.EXE
CMGRDIAN.EXE
CMON016.EXE
CPD.EXE
CPF9X206.EXE
CPFNT206.EXE
CV.EXE
CWNB181.EXE
CWNTDWMO.EXE
DEFWATCH.EXE
DEPUTY.EXE
DPF.EXE
DPFSETUP.EXE
DRWATSON.EXE
DRWEBUPW.EXE
ENT.EXE
ESCANH95.EXE
ESCANHNT.EXE
ESCANV95.EXE
EXANTIVIRUS-CNET.EXE
FAST.EXE
FIREWALL.EXE
FLOWPROTECTOR.EXE
FP-WIN_TRIAL.EXE
FRW.EXE
FSAV.EXE
FSAV530STBYB.EXE
FSAV530WTBYB.EXE
FSAV95.EXE
GBMENU.EXE
GBPOLL.EXE
GUARD.EXE
GUARDDOG.EXE
HACKTRACERSETUP.EXE
HTLOG.EXE
HWPE.EXE
IAMAPP.EXE
IAMSERV.EXE
ICLOAD95.EXE
ICLOADNT.EXE
ICMON.EXE
ICSSUPPNT.EXE
ICSUPP95.EXE
ICSUPPNT.EXE
IFW2000.EXE
IPARMOR.EXE
IRIS.EXE
JAMMER.EXE
KAVLITE40ENG.EXE
KAVPERS40ENG.EXE
KERIO-PF-213-EN-WIN.EXE
KERIO-WRL-421-EN-WIN.EXE
KERIO-WRP-421-EN-WIN.EXE
KILLPROCESSSETUP161.EXE
LDPRO.EXE
LOCALNET.EXE
LOCKDOWN.EXE
LOCKDOWN2000.EXE
LSETUP.EXE
LUALL.EXE
LUCOMSERVER.EXE
LUINIT.EXE
MCAGENT.EXE
MCUPDATE.EXE
MFW2EN.EXE
MFWENG3.02D30.EXE
MGUI.EXE
MINILOG.EXE
MOOLIVE.EXE
MRFLUX.EXE
MSCONFIG.EXE
MSINFO32.EXE
MSSMMC32.EXE
MU0311AD.EXE
NAV80TRY.EXE
NAVAPW32.EXE
NAVDX.EXE
NAVSTUB.EXE
NAVW32.EXE
NC2000.EXE
NCINST4.EXE
NDD32.EXE
NEOMONITOR.EXE
NETARMOR.EXE
NETINFO.EXE
NETMON.EXE
NETSCANPRO.EXE
NETSPYHUNTER-1.2.EXE
NETSTAT.EXE
NISSERV.EXE
NISUM.EXE
NMAIN.EXE
NORTON_INTERNET_SECU_3.0_407.EXE
NPF40_TW_98_NT_ME_2K.EXE
NPFMESSENGER.EXE
NPROTECT.EXE
NSCHED32.EXE
NTVDM.EXE
NUPGRADE.EXE
NVARCH16.EXE
NWINST4.EXE
NWTOOL16.EXE
OSTRONET.EXE
OUTPOST.EXE
OUTPOSTINSTALL.EXE
OUTPOSTPROINSTALL.EXE
PADMIN.EXE
PANIXK.EXE
PAVPROXY.EXE
PCC2002S902.EXE
PCC2K_76_1436.EXE
PCCIOMON.EXE
PCDSETUP.EXE
PCFWALLICON.EXE
PCIP10117_0.EXE
PDSETUP.EXE
PERISCOPE.EXE
PERSFW.EXE
PF2.EXE
PFWADMIN.EXE
PINGSCAN.EXE
PLATIN.EXE
POPROXY.EXE
POPSCAN.EXE
PORTDETECTIVE.EXE
PPINUPDT.EXE
PPTBC.EXE
PPVSTOP.EXE
PROCEXPLORERV1.0.EXE
PROPORT.EXE
PROTECTX.EXE
PSPF.EXE
PURGE.EXE
PVIEW95.EXE
QCONSOLE.EXE
QSERVER.EXE
RAV8WIN32ENG.EXE
REGEDIT.EXE
REGEDT32.EXE
RESCUE.EXE
RESCUE32.EXE
RRGUARD.EXE
RSHELL.EXE
RTVSCN95.EXE
RULAUNCH.EXE
SAFEWEB.EXE
SBSERV.EXE
SD.EXE
SETUP_FLOWPROTECTOR_US.EXE
SETUPVAMEEVAL.EXE
SFC.EXE
SGSSFW32.EXE
SH.EXE
SHELLSPYINSTALL.EXE
SHN.EXE
SMC.EXE
SOFI.EXE
SPF.EXE
SPHINX.EXE
SPYXX.EXE
SS3EDIT.EXE
ST2.EXE
SUPFTRL.EXE
SUPPORTER5.EXE
SYMPROXYSVC.EXE
SYSEDIT.EXE
TASKMON.EXE
TAUMON.EXE
TAUSCAN.EXE
TC.EXE
TCA.EXE
TCM.EXE
TDS2-98.EXE
TDS2-NT.EXE
TDS-3.EXE
TFAK5.EXE
TGBOB.EXE
TITANIN.EXE
TITANINXP.EXE
TRACERT.EXE
TRJSCAN.EXE
TRJSETUP.EXE
TROJANTRAP3.EXE
UNDOBOOT.EXE
UPDATE.EXE
VBCMSERV.EXE
VBCONS.EXE
VBUST.EXE
VBWIN9X.EXE
VBWINNTW.EXE
VCSETUP.EXE
VFSETUP.EXE
VIRUSMDPERSONALFIREWALL.EXE
VNLAN300.EXE
VNPC3000.EXE
VPC42.EXE
VPFW30S.EXE
VPTRAY.EXE
VSCENU6.02D30.EXE
VSECOMR.EXE
VSHWIN32.EXE
VSISETUP.EXE
VSMAIN.EXE
VSMON.EXE
VSSTAT.EXE
VSWIN9XE.EXE
VSWINNTSE.EXE
VSWINPERSE.EXE
W32DSM89.EXE
W9X.EXE
WATCHDOG.EXE
WEBSCANX.EXE
WGFE95.EXE
WHOSWATCHINGME.EXE
WINRECON.EXE
WNT.EXE
WRADMIN.EXE
WRCTRL.EXE
WSBGATE.EXE
WYVERNWORKSFIREWALL.EXE
XPF202EN.EXE
ZAPRO.EXE
ZAPSETUP3001.EXE
ZATUTOR.EXE
ZAUINST.EXE
ZONALM2601.EXE
ZONEALARM.EXE

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