W32/Bagle.P

 Virus Information - W32/Bagle.P:

W32/Bagle.P is a mass mailing worm. The worm will infect Windows systems. This worm spreads through email and shared drives on the network.

The from address of infected email contains the recepients <domain name> along with any one of the following user name.

@administration
@ antivirus
@ antispam
@ staff
@ noreply
@ support
@management

The subject of the infected email will be any one of the following;

Account notify
E-mail account disabling warning.
E-mail account security warning.
E-mail technical support message.
E-mail technical support warning.
E-mail warning Email account utilization warning.
Email report
Encrypted document
Fax Message Received
Forum notify
Hidden message
Important notify Important notify about your e-mail account.
Incoming message
Notify about using the e-mail account.
Notify about your e-mail account utilization.
Notify from e-mail technical support.
Pass - %s
Password - %s
Password: %s
Protected message
RE: Protected message
RE: Text message
Re: Document
Re: Hello
Re: Hi
Re: Incoming Fax
Re: Incoming Message
Re: Msg reply
Re: Thank you!
Re: Thanks :)
Re: Yahoo!
Request response
Site changes
Warning about your e-mail account.

The body of the infected email will be a combination of Set1, Set2, Set3, Set4, Set5, Set6 and Set7

Set1:

Dear user of "<domain name>" mailing system,
Dear user of <domain name> domain,
Dear user of <domain name> e-mail server gateway,
Dear user of <domain name> mailing domain,
Dear user of <domain name> mailing server,
Dear user of <domain name>,
Dear user of e-mail server "<domain name>",
Dear user, the management of <domain name> mailing system wants to let you know that, Hello user of <domain name> e-mail server,

Set2:

Our antivirus software has detected a large ammount of viruses outgoing from your email account, you may use our free anti-virus tool to clean up your computer software. still wishing to use it, please, resign your account information.

Our main mailing server will be temporary unavaible for next two days, to continue receiving mail in these days you have to configure our free auto-forwarding service.

Some of our clients complained about the spam (negative e-mail content) outgoing from your e-mail account. Probably, you have been infected by a proxy-relay trojan server. In order to keep your computer safe, follow the instructions.

We warn you about some attacks on your e-mail account. Your computer may contain viruses, in order to keep your computer and e-mail account safe, please, follow the instructions.

Your e-mail account has been temporary disabled because of unauthorized access.

Your e-mail account will be disabled because of improper using in next three days, if you are

Set3:

Pay attention on attached file
More info in attach
Message is in attach
Here is the file.
Further details can be obtained from attached file.
For more information see the attached file.
For further details see the attach.
For details see the attached file.
For details see the attach.
Follow the wabbit.
Find the white rabbit.
Advanced details can be found in attached file.

Set4:

Please, read the attach for further details.
Pay attention on attached file.
Further details can be obtained from attached file.
For more information see the attached file.
For further details see the attach.
For details see the attached file.
For details see the attach.
Advanced details can be found in attached file.

Set5:

For security reasons attached file is password protected. The password is
For security purposes the attached file is password protected. Password --
Note: Use password to open archive.
Attached file is protected with the password for security reasons. Password is
In order to read the attach you have to use the following password:
Archive password:
Password -
Password:

Set6:

Best wishes,
Cheers,
Have a good day,
Kind regards,
Sincerely,
The Management,

Set7:

The <domain name> team http://www.<domain name>

It carries any one of the following infected attachment;

Attach
Information
Details
Encrypted
first_part
Readme
Document
Info
TextDocument
Text details
Gift
text_document
pub_document
MoreInfo
Message

The extension of the attachment may be any one of the following;

.zip, .rar, .pif, .exe.

Upon execution of the attachment, the worm copies itself as WINUPD.EXE in the Windows System folder. It drops WINUPD.EXEOPEN and WINUPD.EXEOPENOPEN which are copies of the worm. It creates a file WINUPD.EXEOPENOPENOPEN, which contains password information.  It also checks for a word 'shar' in the available shared folders in both local and network, if found the worm copies itself to these folders using the following filenames;

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

It alters the windows registry at the following location to load itself during next startup;

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

It also attempts to terminate processes related to Protector Plus antivirus and other security related softwares.

To propagate itself, the worm scans the infected machine for the files having the following extensions and collects all the available email addresses;

.xml, .xls, .wsh, .wab, .uin, .txt, .tbb, .stm, .shtm, .sht, .pl, .php, .oft, .ods, .mbx, .jsp, .htm, .eml, .dhtm, .dbx, .nch, .msg, .mmf, .mht, .mdx, .cgi, .cfg, .asp, .adb.

The worm uses its own SMTP engine to mail itself to these email addresses.