W32.Quaters.A@mm

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Discovered: September 02, 2003
Updated: February 13, 2007 12:06:50 PM
Also Known As: W32/Quaters-A [Sophos], W32/Blurt@MM [McAfee]
Type: Worm
Systems Affected: Windows


W32.Quaters.A@mm is a mass-mailing worm that spreads itself through Outlook and IRC networks. It also launches Denial of Service attack against www.number-10.gov.uk.

NOTE: Virus definitions dated September 4, 2003 or earlier may detect this as W32.Blare@mm.

Antivirus Protection Dates

  • Initial Rapid Release version September 03, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version September 03, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date September 03, 2003

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Writeup By: Tony Lee

Discovered: September 02, 2003
Updated: February 13, 2007 12:06:50 PM
Also Known As: W32/Quaters-A [Sophos], W32/Blurt@MM [McAfee]
Type: Worm
Systems Affected: Windows


When W32.Quaters.A@mm is executed, it does the following:

  1. Copies itself to:

    c:\progra~1\ACCOUNT_DETAILS.DOC.exe

  2. Adds the value:

    "Windows Task Manager"="c:\progra~1\ACCOUNT_DETAILS.DOC.exe"

    to registry key:

    "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run"

  3. Adds the value:

    "DisableTaskMgr"="0x00000001 (1)"

    to the registry key:

    HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System

  4. Adds the value:

    "DisableRegistryTools"="0x00000001 (1)"

    to the registry key:

    HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System

  5. Displays the message:

    Dear Tony Blair,
    INFECTED BY: WIN32.SORT-IT-OUT-BLAIR
    Why are you spending all our taxes on illegal immigrants!?!
    How about you stop worrying about other countries and worry about ours???
    Stop spending money on immigrants and spend it on things like OAP's who fought to keep this country free but are now getting treated worst than illegal immigrants!
    How about spend a little money on the NHS or the education system!?!
    Think about it Mr Blair.
    Your career depends on it.
    We've had enough.  

  6. Launches a DoS attack, using ping.exe, against www.number-10.gov.uk.

  7. Creates a text file, C:\WIN32.SORT-IT-OUT-BLAIR.TXT, with the following text:

    Infected by the WIN32.SORT-IT-OUT-BLAIR Virus!

  8. Copies the text file to the following locations:
    • c:\inetpub\wwwroot\default.asp
    • c:\inetpub\wwwroot\default.htm
    • c:\inetpub\wwwroot\default.html
    • c:\inetpub\wwwroot\index.asp
    • c:\inetpub\wwwroot\index.htm
    • c:\inetpub\wwwroot\index.html

      so that the default home page would be the text file created by the worm, if the infected computer has a web server with a root folder at c:\inetpub\wwwroot.

  9. Copies itself to:
    • c:\Program Files\mIRC\chain_mail_world_record.irc
    • c:\mIRC\chain_mail_world_record.irc

  10. Creates script.ini files in:
    • c:\Program Files\mIRC
    • c:\mIRC

      so that the created file may be loaded by default by an IRC program and spread the worm through the IRC networks.

  11. Sends itself to the addresses in the default Outlook address book. The email message would have the following characteristics:

    Subject:
    • Your Account Infomation.
    • Your Account is on hold.
    • Your Account has been suspended.
    • Account Infomation.
    • Account Invoice.
    • Email Account Infomation.
    • This quaters invoice.
    • Regards, Support Team.
    • Account Billing Information.
    • YOUR ACCOUNT REF:
    • Account, is on hold.
    • ORDER CONFIRMATION:

      Body:
    • Dear Sir,
      Please can you check that your account information is up to date.
      Your details are attached to this email.
      Regards, Billing Team.
    • Dear Sir,
      Please can you confirm that your account information is correct.
      Your current details are attached to this email.
      Regards, Billing Team.
    • Dear Sir,
      Please find attached this quaters invoice for your Internet Account.
      Regards, Billing Team.
    • Please find your details attached.
      Thank you
    • Details are attached to this email.
      Thank you

      Attachment name:
    • Account Invoice.Doc
    • Your Account.Doc
    • Account Details.Doc
    • Your Account Info.Doc
    • Account Information.Doc
    • Billing Information.Doc
    • Invoice.Doc
    • Account Update.Doc
    • Account Status.Doc
    • Your Account Status.Doc

  12. Attempts to terminate running processes with the following names:
    • ADVXDWIN.EXE
    • ALERTSVC.EXE
    • ALOGSERV.EXE
    • AMON9X.EXE
    • ANTI-TROJAN.EXE
    • ANTS.EXE
    • APVXDWIN.EXE
    • ATCON.EXE
    • ATUPDATER.EXE
    • ATWATCH.EXE
    • AUTODOWN.EXE
    • AVCONSOL.EXE
    • AVE32.EXE
    • AVGCC32.EXE
    • AVGCTRL.EXE
    • AVGSERV.EXE
    • AVGSERV9.EXE
    • AVGW.EXE
    • AVKSERV.EXE
    • AVNT.EXE
    • AVP.EXE
    • AVP32.EXE
    • AVPCC.EXE
    • AVPDOS32.EXE
    • AVPM.EXE
    • AVPTC32.EXE
    • AVPUPD.EXE
    • AVSCHED32.EXE
    • AVSYNMGR.EXE
    • AVWIN95.EXE
    • AVWINNT.EXE
    • AVWUPD32.EXE
    • AVXMONITOR9X.EXE
    • AVXMONITORNT.EXE
    • AVXQUAR.EXE.EXE
    • AVXW.EXE
    • AgentSvr.exe
    • AutoTrace.exe
    • Avgctrl.exe
    • Avsched32.exe
    • BLACKD.EXE
    • BLACKICE.EXE
    • CFIADMIN.EXE
    • CFIAUDIT.EXE
    • CFINET.EXE
    • CFINET32.EXE
    • CLAW95.EXE
    • CLAW95CF.EXE
    • CLEANER.EXE
    • CLEANER3.EXE
    • CMGRDIAN.EXE
    • CONNECTIONMONITOR.EXE
    • CPD.EXE
    • CPDCLNT.EXE
    • DEFWATCH.EXE
    • DOORS.EXE
    • DVP95.EXE
    • DVP95_0.EXE
    • ECENGINE.EXE
    • EFPEADM.EXE
    • ESAFE.EXE
    • ESPWATCH.EXE
    • ETRUSTCIPE.EXE
    • EVPN.EXE
    • EXPERT.EXE
    • F-AGNT95.EXE
    • F-PROT.EXE
    • F-PROT95.EXE
    • F-STOPW.EXE
    • FINDVIRU.EXE
    • FP-WIN.EXE
    • FPROT.EXE
    • FRW.EXE
    • GENERICS.EXE
    • GUARD.EXE
    • GUARDDOG.EXE
    • IAMAPP.EXE
    • IAMSERV.EXE
    • IBMASN.EXE
    • IBMAVSP.EXE
    • ICLOAD95.EXE
    • ICLOADNT.EXE
    • ICMON.EXE
    • ICSUPP95.EXE
    • ICSUPPNT.EXE
    • IFACE.EXE
    • IOMON98.EXE
    • ISRV95.EXE
    • InoRT.exe
    • InoRpc.exe
    • InoTask.exe
    • JEDI.EXE
    • LDNETMON.EXE
    • LDPROMENU.EXE
    • LDSCAN.EXE
    • LOCKDOWN.EXE
    • LOCKDOWN2000.EXE
    • LOOKOUT.EXE
    • LUALL.EXE
    • LUCOMSERVER.EXE
    • MCAGENT.EXE
    • MCMNHDLR.EXE
    • MCSHIELD.EXE
    • MCTOOL.EXE
    • MCUPDATE.EXE
    • MCVSRTE.EXE
    • MCVSSHLD.EXE
    • MGAVRTCL.EXE
    • MGAVRTE.EXE
    • MGHTML.EXE
    • MINILOG.EXE
    • MONITOR.EXE
    • MOOLIVE.EXE
    • MPFTRAY.EXE
    • MWATCH.EXE
    • N32SCANW.EXE
    • NAVAPSVC.EXE
    • NAVAPW32.EXE
    • NAVLU32.EXE
    • NAVNT.EXE
    • NAVW32.EXE
    • NAVWNT.EXE
    • NDD32.EXE
    • NETUTILS.EXE
    • NISSERV.EXE
    • NISUM.EXE
    • NMAIN.EXE
    • NORMIST.EXE
    • NPROTECT.EXE
    • NPSSVC.EXE
    • NSCHED32.EXE
    • NTVDM.EXE
    • NTXconfig.exe
    • NUPGRADE.EXE
    • NVC95.EXE
    • NWService.exe
    • NWTOOL16.EXE
    • Navapw32.exe
    • NeoWatchLog.exe
    • Nui.EXE
    • PADMIN.EOUTPOST.EXE
    • PADMIN.EXE
    • PAVCL.EXE
    • PAVSCHED.EXE
    • PAVW.EXE
    • PCCIOMON.EXE
    • PCCWIN98.EXE
    • PCFWALLICON.EXE
    • PERSFW.EXE
    • POP3TRAP.EXE
    • POPROXY.EXE
    • PORTMONITOR.EXE
    • PROCESSMONITOR.EXE
    • PVIEW95.EXE
    • RAV7.EXE
    • RAV7WIN.EXE
    • REALMON.EXE
    • RESCUE.EXE
    • RTVSCN95.EXE
    • Realmon.exe
    • SAFEWEB.EXE
    • SCAN32.EXE
    • SCAN95.EXE
    • SCANPM.EXE
    • SCRSCAN.EXE
    • SERV95.EXE
    • SMC.EXE
    • SPHINX.EXE
    • SPYXX.EXE
    • SS3EDIT.EXE
    • SWEEP95.EXE
    • SWNETSUP.EXE
    • SYMPROXYSVC.EXE
    • SYMTRAY.EXE
    • SymProxySvc.exe
    • TBSCAN.EXE
    • TC.EXE
    • TCA.EXE
    • TCM.EXE
    • TDS-3.EXE
    • TDS2-98.EXE
    • TDS2-NT.EXE
    • TFAK.EXE
    • VET32.EXE
    • VET95.EXE
    • VETTRAY.EXE
    • VIR-HELP.EXE
    • VPC32.EXE
    • VPTRAY.EXE
    • VSCAN40.EXE
    • VSCHED.EXE
    • VSECOMR.EXE
    • VSHWIN32.EXE
    • VSMAIN.EXE
    • VSMON.EXE
    • VSSTAT.EXE
    • VbCons.exe
    • WATCHDOG.EXE
    • WEBSCANX.EXE
    • WEBTRAP.EXE
    • WFINDV32.EXE
    • WGFE95.EXE
    • WIMMUN32.EXE
    • WRADMIN.EXE
    • WRCTRL.EXE
    • ZAPRO.EXE
    • ZONEALARM.EXE
    • _AVP32.EXE
    • _AVPCC.EXE
    • _AVPM.EXE
    • apvxdwin.exe
    • avkpop.exe
    • avkservice.exe
    • av
    • kwctl9.exe
    • defscangui.exe
    • fameh32.exe
    • fch32.exe
    • fih32.exe
    • fnrb32.exe
    • fsaa.exe
    • fsav32.exe
    • fsgk32.exe
    • fsm32.exe
    • fsma32.exe
    • fsmb32.exe
    • gbmenu.exe
    • gbpoll.exe
    • zapro.exe
    • iamapp.exe
    • netstat.exe
    • nisum.exe
    • ntrtscan.EXE
    • nvsvc32.exe
    • pavproxy.exe
    • pccntmon.EXE
    • pccwin97.EXE
    • pcscan.EXE
    • regedit.exe
    • sbserv.exe
    • sscansvc.exe
    • taskmgr.exe
    • vbcmserv.exe
    • vsmon.exe
    • zonealarm.exe
    • net stop
    • Event Log
    • Messenger
    • Zonealarm
    • TrueVector Internet Monitor
    • Norton Antivirus Auto Protect Service
    • Norton Internet Security Accounts Manager
    • Norton Internet Security Proxy Service
    • Norton Internet Security Service
    • Norton AntiVirus Server
    • Attachments
    • Norton AntiVirus Auto Protect Service
    • Norton AntiVirus Client
    • Symantec AntiVirus Client
    • McShield
    • IPSEC Policy Agent
    • DefWatch
    • WMDM PMSP Service
    • Logoff


Recommendations

Symantec Security Response encourages all users and administrators to adhere to the following basic security "best practices":

  • Use a firewall to block all incoming connections from the Internet to services that should not be publicly available. By default, you should deny all incoming connections and only allow services you explicitly want to offer to the outside world.
  • 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.
  • Ensure that programs and users of the computer use the lowest level of privileges necessary to complete a task. When prompted for a root or UAC password, ensure that the program asking for administration-level access is a legitimate application.
  • Disable AutoPlay to prevent the automatic launching of executable files on network and removable drives, and disconnect the drives when not required. If write access is not required, enable read-only mode if the option is available.
  • Turn off file sharing if not needed. If file sharing is required, use ACLs and password protection to limit access. Disable anonymous access to shared folders. Grant access only to user accounts with strong passwords to folders that must be shared.
  • Turn off and remove unnecessary services. By default, many operating systems install auxiliary services that are not critical. These services are avenues of attack. If they are removed, threats have less avenues of attack.
  • If a 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.
  • Configure your email server to block or remove email that contains file attachments that are commonly used to spread threats, such as .vbs, .bat, .exe, .pif and .scr files.
  • Isolate compromised computers quickly to prevent threats from spreading further. 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.
  • If Bluetooth is not required for mobile devices, it should be turned off. If you require its use, ensure that the device's visibility is set to "Hidden" so that it cannot be scanned by other Bluetooth devices. If device pairing must be used, ensure that all devices are set to "Unauthorized", requiring authorization for each connection request. Do not accept applications that are unsigned or sent from unknown sources.
  • For further information on the terms used in this document, please refer to the Security Response glossary.

Writeup By: Tony Lee

Discovered: September 02, 2003
Updated: February 13, 2007 12:06:50 PM
Also Known As: W32/Quaters-A [Sophos], W32/Blurt@MM [McAfee]
Type: Worm
Systems Affected: Windows


The following instructions pertain to all current and recent Symantec antivirus products, including the Symantec AntiVirus and Norton AntiVirus product lines.

  1. Disable System Restore (Windows Me/XP).
  2. Update the virus definitions.
  3. Run a full system scan and delete all the files detected as W32.Quaters.A@mm.
  4. Delete the value that was added to the registry.
For specific details on each of these steps, read the following instructions.

1. Disabling System Restore (Windows Me/XP)
If you are running Windows Me or Windows XP, we recommend that you temporarily turn off System Restore. Windows Me/XP uses this feature, which is enabled by default, to restore the files on your computer in case they become damaged. If a virus, worm, or Trojan infects a computer, System Restore may back up the virus, worm, or Trojan on the computer.

Windows prevents outside programs, including antivirus programs, from modifying System Restore. Therefore, antivirus programs or tools cannot remove threats in the System Restore folder. As a result, System Restore has the potential of restoring an infected file on your computer, even after you have cleaned the infected files from all the other locations.

Also, a virus scan may detect a threat in the System Restore folder even though you have removed the threat.

For instructions on how to turn off System Restore, read your Windows documentation, or one of the following articles:
For additional information, and an alternative to disabling Windows Me System Restore, see the Microsoft Knowledge Base article, "Antivirus Tools Cannot Clean Infected Files in the _Restore Folder ," Article ID: Q263455.

2. Updating the virus definitions
Symantec Security Response fully tests all the virus definitions for quality assurance before they are posted to our servers. There are two ways to obtain the most recent virus definitions:
  • Running LiveUpdate, which is the easiest way to obtain virus definitions: These virus definitions are posted to the LiveUpdate servers once each week (usually on Wednesdays), unless there is a major virus outbreak. To determine whether definitions for this threat are available by LiveUpdate, refer to the Virus Definitions (LiveUpdate).
  • Downloading the definitions using the Intelligent Updater: The Intelligent Updater virus definitions are posted on U.S. business days (Monday through Friday). You should download the definitions from the Symantec Security Response Web site and manually install them. To determine whether definitions for this threat are available by the Intelligent Updater, refer to the Virus Definitions (Intelligent Updater).

    The Intelligent Updater virus definitions are available: Read "How to update virus definition files using the Intelligent Updater" for detailed instructions.

3. Scanning for and deleting the infected files
  1. Start your Symantec antivirus program and make sure that it is configured to scan all the files.
  2. Run a full system scan.
  3. If any files are detected as infected with W32.Quaters.A@mm, click Delete.

4. Deleting the value from the registry


CAUTION: Symantec strongly recommends that you back up the registry before making any changes to it. Incorrect changes to the registry can result in permanent data loss or corrupted files. Modify the specified keys only. Read the document, "How to make a backup of the Windows registry ," for instructions.
  1. Click Start, then Run. (The Run dialog box appears.)

  2. Type:

    notepad

    and click OK. (Notepad opens a text file.)

  3. Type, or copy and paste, the following text into the text file:

    REGEDIT4

    [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
    "DisableRegistryTools"=dword:00000000

    [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
    "DisableTaskMgr"=dword:00000000

  4. Save the file as:

    repair.reg

    in the root folder (usually C:\).

  5. Click Start, then Run.

  6. Type:

    regedit -s \repair.reg

    and click OK.

  7. Click Start, and then click Run. (The Run dialog box appears.)
  8. Type regedit

    Then click OK. (The Registry Editor opens.)

  9. Navigate to the key:

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

  10. In the right pane, delete the value:

    "Windows Task Manager" = "c:\progra~1\ACCOUNT_DETAILS.DOC.exe"

  11. Exit the Registry Editor.


Writeup By: Tony Lee