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I-Worm.Lovgate. Viruses Information
| Name: |
I-Worm.Lovgate. |
| Category: |
Viruses |
| Description:
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Details
I-Worm.Lovgate.w
This worm spreads via the Internet as an attachment to infected messages. It is written in MFC.
The worm itself is approximately 125KB in size, packed using ASPack. The unpacked file is approximately 205KB in size.
Installation
Once launched, the worm copies itself under several different names to the Windows system and root directories:
%system%Kernel66.dll
%system%IEXPLORE.exe
%system%hxdef.exe
%system%RAVMOND.exe
%windir%SYSTRA.exe
c:command.exe
It also saves its components in the following files:
%System%NetMeeting.exe
%system%spoolsv.exe
%SysDir%msjdbc11.dll
%SysDir%MSSIGN30.DLL
%SysDir%ODBC16.dll
%SysDir%Lmmib20.dll
It also creates a file named AUTORUN.INF in the root directory of all accessible disks.
The worm creates several copies of itself in ZIP or RAR format. These copies are saved under random names in the root directories of all accessible disks.
It registers several copies of itself in the system registry. This ensures that these copies will be launched every time Windows is restarted.
[HKLMSoftwareMicrosoftWindowsCurrentVersionRun]
"WinHelp"="%System%WinHelp.exe"
"Hardware Profile"=""="%system%hxdef.exe"
"Microsoft NetMeeting Associates, Inc."="NetMeeting.exe"
"Program in Windows"="%System%IEXPLORE.EXE"
"Protected Storage"="RUNDLL32.EXE MSSIGN30.DLL ondll_reg"
"VFW Encoder/Decoder Settings"="RUNDLL32.exe MSSIGN30.DLL ondll_reg"
[HKLMSoftwareMicrosoftWindows NTCurrentVersionWindows]
"run"="RAVMOND.exe"
It also creates the following system registry value:
[HKLMSoftwareMicrosoftWindowsCurrentVersionRunServices]
"SystemTra"="%Windir%Systra.exe"
It creates an additional registry value to flag its presence in the system:
HKLMSoftwareMicrosoftWindowsCurrentVersionZMXLIB1
Propagation via local networks
It makes the Ó:windowsMedia folder accessible via the local network under the name \Media.
It copies itself to all network disks under the following names:
autoexec.bat
Cain.pif
client.exe
Documents and Settings.txt.exe
findpass.exe
i386.exe
Internet Explorer.bat
Microsoft Office.exe
mmc.exe
MSDN.ZIP.pif
Support Tools.exe
Windows Media Player.zip.exe
WindowsUpdate.pif
winhlp32.exe
WinRAR.exe
xcopy.exe
The worm attempts to copy itself to all local network machines by using the Adminstrator account. It uses the following passwords to attempt to gain access to the account:
!@#$
!@#$%
!@#$%^
!@#$%^&
!@#$%^&*
0
000000
00000000
007
1
110
111
111111
11111111
12
121212
123
123123
1234
12345
123456
1234567
12345678
123456789
123abc
123asd
2003
2004
2600
321
54321
654321
666666
888888
88888888
a
aaa
abc
abc123
abcd
abcdef
abcdefg
admin
Admin
admin123
administrator
Administrator
alpha
asdf
asdfgh
computer
database
enable
god
godblessyou
guest
Guest
home
Internet
Login
login
love
mypass
mypass123
mypc
mypc123
oracle
owner
pass
passwd
password
Password
pc
pw
pw123
pwd
root
secret
server
sex
sql
super
sybase
temp
temp123
test
test123
win
xp
xxx
yxcv
zxcv
If the worm succeeds in establishing a connection, it copies itself to admin$system32NetManager.exe and launches the file as 'Windows Management NetWork Service Extensions'.
Propagation via email
The worm sends itself to all addresses on emails in the Inbox. It also searches files with extensions listed below for email addresses to send itself to:
adb
asp
dbx
htm
htm
php
pl
sht
tbb
wab
Infected messages
Infected messages contain the following text:
If you can keep your head when all about you
Are losing theirs and blaming it on you;
If you can trust yourself when all men doubt you,
But make allowance for their doubting too;
If you can wait and not be tired by waiting,
Or, being lied about,don't deal in lies,
Or, being hated, don't give way to hating,
And yet don't look too good, nor talk too wise;
all ... more look to the attachment.
< Get your FREE now! <
Attachment name (chosen at random from the list below):
Britney spears nude.exe.txt.exe
Deutsch BloodPatch!.exe
dreamweaver MX (crack).exe
DSL Modem Uncapper.rar.exe
How to Crack all gamez.exe
I am For u.doc.exe
Industry Giant II.exe
joke.pif
Macromedia Flash.scr
Me_nude.AVI.pif
s3msong.MP3.pif
SETUP.EXE
Sex in Office.rm.scr
Shakira.zip.exe
StarWars2 - CloneAttack.rm.scr
the hardcore game-.pif
The worm also sends itself using its own SMTP server.
Message header (chosen at random from the list below):
Error
hi
hello
Mail Delivery System
Mail Transaction Failed
Server Report
Status
test
Message body (chosen from those listed below):
It's the long-awaited film version of the Broadway hit. The message sent as a binary attachment.
The message contains Unicode characters and has been sent as a binary attachment.
Mail failed. For further assistance, please contact!
Attachment name:
randomly generated, with one of the following extensions.
.exe
.scr
.pif
.cmd
.bat
.zip
.rar .
Other
It terminates processes containing the following text strings in their names:
Duba
Gate
KAV
kill
KV
McAfee
NAV
RavMon.exe
Rfw.exe
rising
SkyNet
Symantec
Rising Realtime Monitor Service
Symantec Antivirus Server
Symantec Client
The worm harvests information about the victim machine, saves it in a file named c:Netlog.txt and sends this file to the worm's author via email.
It installs a backdoor on TCP port 6000 to receive commands.
It launches an FTP server without login or password on a random port.
The worm searches all accessible disks from C: to Z: for files with the extension .exe. It then renames them as *.zmx, ascribes the attribute 'hidden/ system' to these files, and copies itself to the original files under the original names (working in the same way as companion viruses do.) |
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