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Spyware & Virus Directory
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
VBS.Injust@mm
Discovered: November 18, 2002
Updated: November 19, 2002 01:14:04 PM PST
Also Known As: I-Worm.Injust [KAV], VBS/Reccos.A@mm [F-Prot]
Type: Worm
Infection Length: 14,683 bytes
Systems Affected: Windows 95, Windows 98, Windows NT, Windows 2000, Windows XP, Windows Me, Microsoft IIS
SUMMARY
VBS.Injust@mm is a mass-mailing worm that is written in the Visual Basic scripting language. The worm can infect .vbs and .vbe files. It can also change registry keys so that all of drives C and D are accessible by the Internet Information Server (IIS) Web server.
The email has the following characteristics.
Subject: One of these:
- Soccer Photo
- Euro-Soccer Pix
- Kids playing soccer
- Homeschool soccer pic
- Nude soccer pic
- Playmates playing soccer!
- Hot co-ed soccer pic!
- Gooooooal!
- Soccer riot picture
- Soccer game picture
- World Cup photo
Message body: Look at this amazing soccer picture!
Attachment: Soccer.jpg.vbs
Protection
- Virus Definitions (LiveUpdate™ Weekly) November 20, 2002
- Virus Definitions (Intelligent Updater) November 19, 2002
TECHNICAL DETAILS
When VBS.Injust@mm runs, it does the following:
It attempts to overwrite the %windir%hosts file to block you from accessing the following Web sites:
- www.antivirus.com
- www.sophos.com
- www.norton.com
- www.mcafee.com
- www.pandasoftware.com
- www.eu.com
- www.eu.org
- www.islam.com
- www.teamsters.com
- www.martinlutherking.com
- www.mormon.com
- www.democrats.com
- www.un.org
- www.un.com
- www.plannedparenthood.com
- www.plannedparenthood.org
- www.whitehouse.org
- www.whitehouse.com
- www.hrichina.org
- www.godhatesamerica.com
- www.fuckgod.com
- www.blackplague.org
NOTE: %windir% is a variable. The worm locates the Windows installation folder (by default this is C:Windows or C:Winnt) and looks for the Hosts file in that location.
If the file C:Program FilesNorton AntivirusExclude.dat exists, the worm attempts to overwrite the file.
Next, the worm overwrites the following files:
- Index.asp
- Index.html
- Index.html
- Default.asp
- Default.htm
- Default.html
if they exist in these folders:
- C:Inetpubwwwroot
- D:Inetpubwwwroot
It overwrites the files with this text:
<html>Homeschool Soccer Worm</html>
The worm adds the following values to the Windows registry:
- It adds the value
/C c:,,205
to the registry key
HKEY_LOCAL_MACHINESystemCurrentControlSetServicesW3SVCParametersVirtual Roots
- and the value
/D d:,,205
to the registry key
KEY_LOCAL_MACHINESystemCurrentControlSetServicesW3SVCParametersVirtual Roots
This causes all of drives C and D to be accessible by the IIS Web server.
The worm creates or overwrites one or more script files that are used by mIRC and PIRCH. This causes the worm to be sent to other IRC users.
It creates or overwrites C:Program FilesCommon FilesMicrosoft SharedStationeryBlank.htm. It then adds the value
C:Program FilesCommon FilesMicrosoft SharedStationerylank.htm
to these registry keys:
HKEY_CURRENT_USERIdentities<removed>SoftwareMicrosoftOutlook Express5.0MailCompose Use Stationery
HKEY_CURRENT_USERIdentities<removed>SoftwareMicrosoftOutlook Express5.0MailStationery Name
HKEY_CURRENT_USERIdentities<removed>SoftwareMicrosoftOutlook Express5.0MailWide Stationery Name
This causes the worm to run every time that you compose new mail in Microsoft Outlook Express.
The worm modifies several values in the Windows registry. These modifications change the .vbs file icon, prevent Windows from showing file extensions, and cause the worm to run each time that a .vbs file is executed.
The worm sets the Microsoft Internet Explorer home page to www.hslda.org and sets the computer name to Soccer.
The worm copies itself to the %windir% folder.
It then adds the values
HomeschoolSoccer1
HomeschoolSoccer2
to the registry key
HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionRun
so that the worm starts each time that you start Windows.
The worm use MAPI to mass-mail itself to all contacts that exist in the Microsoft Outlook address book. The email message is constructed as follows:
Subject: One of these:
- Soccer Photo
- Euro-Soccer Pix
- Kids playing soccer
- Homeschool soccer pic
- Nude soccer pic
- Playmates playing soccer!
- Hot co-ed soccer pic!
- Gooooooal!
- Soccer riot picture
- Soccer game picture
- World Cup photo
Message body: Look at this amazing soccer picture!
Attachment: Soccer.jpg.vbs
The worm has a payload which is executed on the September 7 of every year. It deletes all files that exist in all folders. It then displays this message in an infinite loop:
Homeschool Soccer T0day!
Its Co-ed Soccer too!
My Team Rulz!!!!!
You hard drive is trashed
Have a nice day.
Wish my team luck!
It creates a link named Hslda.url in the %windir%Favorites folder.
It searches the current folder and moves all .jpg files to the%system% folder. Next, it copies itself in the place of the original .jpg file as <original file name>.jpg.vbs.
Finally, it infects all .vbs files and .vbe files as they are executed.
Recommendations
Symantec Security Response encourages all users and administrators to adhere to the following basic security "best practices":
- Turn off and remove unneeded services. By default, many operating systems install auxiliary services that are not critical, such as an FTP server, telnet, and a Web server. These services are avenues of attack. If they are removed, blended threats have less avenues of attack and you have fewer services to maintain through patch updates.
- If a blended threat exploits one or more network services, disable, or block access to, those services until a patch is applied.
- Always keep your patch levels up-to-date, especially on computers that host public services and are accessible through the firewall, such as HTTP, FTP, mail, and DNS services (for example, all Windows-based computers should have the current Service Pack installed.). Additionally, please apply any security updates that are mentioned in this writeup, in trusted Security Bulletins, or on vendor Web sites.
- Enforce a password policy. Complex passwords make it difficult to crack password files on compromised computers. This helps to prevent or limit damage when a computer is compromised.
- Configure your email server to block or remove email that contains file attachments that are commonly used to spread viruses, such as .vbs, .bat, .exe, .pif and .scr files.
- Isolate infected computers quickly to prevent further compromising your organization. Perform a forensic analysis and restore the computers using trusted media.
- Train employees not to open attachments unless they are expecting them. Also, do not execute software that is downloaded from the Internet unless it has been scanned for viruses. Simply visiting a compromised Web site can cause infection if certain browser vulnerabilities are not patched.
REMOVAL
NOTE: These instructions are for all current and recent Symantec antivirus products, including the Symantec AntiVirus and Norton AntiVirus product lines.
- Update the virus definitions.
- Run a full system scan, and delete all files that are detected as VBS.Injust@mm
- Reverse the changes that the worm made to the registry.
To update the virus definitions:
All virus definitions receive full quality assurance testing by Symantec Security Response before being posted to our servers. There are two ways to obtain the most recent virus definitions:
- Run LiveUpdate, which is the easiest way to obtain virus definitions. These virus definitions are posted to the LiveUpdate servers once each week (usually Wednesdays) unless there is a major virus outbreak. To determine whether definitions for this threat are available by LiveUpdate, look at the Virus Definitions (LiveUpdate) line at the top of this write-up.
- Download the definitions using the Intelligent Updater. Intelligent Updater virus definitions are posted on U.S. business days (Monday through Friday). They must be downloaded from the Symantec Security Response Web site and installed manually. To determine whether definitions for this threat are available by the Intelligent Updater, look at the Virus Definitions (Intelligent Updater) line at the top of this write-up.
Intelligent Updater virus definitions are available here. For detailed instructions on how to download and install the Intelligent Updater virus definitions from the Symantec Security Response Web site, click here.
To scan for and delete the infected files:
- Start your Symantec antivirus program, and make sure that it is configured to scan all files.
- Norton AntiVirus consumer products: Read the document How to configure Norton AntiVirus to scan all files.
- Symantec enterprise antivirus products: Read the document How to verify a Symantec Corporate antivirus product is set to scan All Files.
- Run a full system scan.
- If any files are detected as infected with VBS.Injust@mm, click Delete.
To edit the registry:
CAUTION: Symantec strongly recommends that you back up the registry before you make any changes to it. Incorrect changes to the registry can result in permanent data loss or corrupted files. Modify only the keys that are specified. Read the document How to make a backup of the Windows registry for instructions.
- Click Start, and click Run. The Run dialog box appears.
- Type regedit and then click OK. The Registry Editor opens.
- Navigate to the key
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRun
- In the right pane, delete the values
HomeschoolSoccer1
HomeschoolSoccer2
- Delete the values
Compose Use Stationery
Stationery Name
Wide Stationery Name
from the registry key
HKEY_CURRENT_USERIdentities<removed>SoftwareMicrosoftOutlook Express5.0Mail
- Delete the registry keys
HKEY_LOCAL_MACHINESystemCurrentControlSetServicesW3SVCParametersVirtual Roots/C
HKEY_LOCAL_MACHINESystemCurrentControlSetServicesW3SVCParametersVirtual Roots/D
HKEY_CLASSES_ROOTVBSFileNeverShowExt
- Modify the (Default) value of
HKEY_CLASSES_ROOTVBSFile
to
VBScript Script File
- If you use Windows 95, 98, or Me, modify the (Default) value of
HKEY_CLASSES_ROOTVBSFileDefaultIcon
to
%windir%WScript.exe,2
- If use Windows 95, 98, or Me, modify the (Default) value of
HKEY_CLASSES_ROOTVBSfileShellOpenCommand
to
%windir%WScript.exe "%1" %*
- If use Windows NT, 2000,or XP, modify the (Default) value of
HKEY_CLASSES_ROOTVBSFileDefaultIcon
to
%SystemRoot%System32WScript.exe,2
- If use Windows NT, 2000, or XP, modify the (Default) value of
HKEY_CLASSES_ROOTVBSfileShellOpenCommand
to
%SystemRoot%System32WScript.exe "%1" %*
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