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Virus:Worm/Mytob.NC
Date discovered:11/02/2006
Type:Worm
In the wild:No
Reported Infections:Low
Distribution Potential:Medium
Damage Potential:Medium
Static file:Yes
File size:34.370 Bytes
MD5 checksum:21b53a54fafd4b98be3d7e5ddad2b759
VDF version:6.33.00.221

 General Method of propagation:
   • Email


Aliases:
   •  Symantec: W32.Mytob.FI@mm
   •  Mcafee: W32/Sdbot.worm.gen.bz
   •  Kaspersky: Net-Worm.Win32.Mytob.bi
   •  TrendMicro: WORM_MYTOB.OD
   •  Bitdefender: Win32.Worm.Mytob.X.Gen


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Blocks access to certain websites
   • Blocks access to security websites
   • Disable security applications
   • Uses its own Email engine
   • Lowers security settings
   • Registry modification
   • Third party control

 Files It copies itself to the following location:
   • %SYSDIR%\winds.exe

 Registry The following registry keys are continuously in an infinite loop added in order to run the processes after reboot.

–  [HKLM\Software\Microsoft\Windows\CurrentVersion\Run]
   • "MICROSOFT WINDOWS SYSTEM 2" = "winds.exe"

–  [HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices]
   • "MICROSOFT WINDOWS SYSTEM 2" = "winds.exe"



The following registry key is changed:

Deactivate Windows Firewall:
– [HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess]
   Old value:
   • "Start" = dword:%user defined settings%
   New value:
   • "Start" = dword:00000004

 Email It contains an integrated SMTP engine in order to send emails. A direct connection with the destination server will be established. The characteristics are described in the following:


From:
The sender address is spoofed.
Generated addresses. Please do not assume that it was the sender's intention to send this email to you. He might not know about his infection or might not even be infected at all. Furthermore it is possible that you will receive bounced emails telling you that you are infected. This might also not be the case.


To:
– Email addresses found in specific files on the system.
– Email addresses gathered from WAB (Windows Address Book)
– Generated addresses


Subject:
One of the following:
   • *DETECTED* Online User Violation
   • Email Account Suspension
   • Important Notification
   • Members Support
   • Notice of account limitation
   • Security measures
   • Warning Message: Your services near to be closed.
   • Your Account is Suspended
   • Your Account is Suspended For Security Reasons
   • Your password has been updated
   • Your password has been successfully updated
   • You have successfully updated your password
   • Your new account password is approved



Body:
– Contains HTML code.

 
The body of the email is one of the following:

   • Hiya,
     Welcome and thank you for joining our community portal. As a paid customer you will receive all the extras as well as up-to-date feedbacks and monthly newsletters.
     NOTE: Your PAYMENT and LOGIN details are included within the attached file.
     Services we offer Create your Profile, connect to your friends, upload your picture, and have it Rated by thousands of other network members.
     Kind Regards Support Team
     ++ Attachment: No Virus Found File is (Clean)
     ++ %receiver's domain name from email address% Antivirus Software 2006 - www.%receiver's domain%

   • Dear Member,
     You recently asked us to reset your password by e-mail. TO RESET YOUR PASSWORD see the attached document.
     NOTE: Please do not reply to this message, Mail sent to this address cannot be answered.
     Thank you for using %receiver's domain name from email address% !
     The %receiver's domain name from email address% Support Team
     ++ Attachment: No Virus Found File is (Clean)
     ++ %receiver's domain name from email address% Antivirus Software 2006 - www.%receiver's domain%

   • Dear Member,
     Your account has been activated and awaiting your approval %receiver's email address%.
     See attached document for payment details and login credentials.
     1. Paid members have 100% Download access, you can download unlimited MP3's and Software's for 6 Months!
     2. As a paid value member you have unlimited access to over 250,000 files
     3. Unlimited bandwith usage, there are no restrictions on the amount you download!
     See the details to activate your %receiver's domain name from email address% account today.
     Sincerely,The %receiver's domain name from email address% Support Team
     ++ Attachment: No Virus Found File is (Clean)
     ++ %receiver's domain name from email address% Antivirus Software 2006 - www.%receiver's domain%

   • Dear Member,
     Your e-mail account was used to send a huge amount of unsolicited spam messages during the recent week. If you could please take 5-10 minutes out of your online experience and confirm the attached document so you will not run into any future problems with the online service.
     If you choose to ignore our request, you leave us no choice but to cancel your membership.
     Virtually yours,
     The %receiver's domain name from email address% Support Team
     ++ Attachment: No Virus Found File is (Clean)
     ++ %receiver's domain name from email address% Antivirus Software 2006 - www.%receiver's domain%


Attachment:
The filename of the attachment is one of the following:
   • readme.zip
   • document.zip
   • account-report.zip
   • account-info.zip
   • email-details.zip
   • account-details.zip
   • important-details.zip
   • accepted-password.zip
   • account-password.zip
   • approved-password.zip
   • password.zip
   • new-password.zip
   • email-password.zip
   • updated-password.zip
   • %random character string%.zip

The attachment is an archive containing a copy of the malware itself.



The email may look like one of the following:



 Mailing Search addresses:
It searches the following files for email addresses:
   • adb; asp; cgi; db; dbx; doc; htm; html; jsp; mdb; php; pl; sht; tbb;
      tmp; txt; wab; xls; xml


Address generation for TO and FROM fields:
To generate addresses it uses the following strings:
   • abdul; aliya; adam; alan; alex; alisha; anjali; andrew; anna; bill;
      bob; brenda; brent; brian; claudia; dave; debby; frank; fred; george;
      halima; jack; james; jamila; jane; jimmy; john; jose; joshua; kevin;
      marcus; maria; mary; matt; michael; mike; mohammed; muhammed; peter;
      ray; rebecca; robert; sales; salina; sam; shakil; stan; steve; ted;
      tom

It combines the result with domains that were found in files, which were previously searched for addresses.


Avoid addresses:
It does not send emails to addresses containing one of the following strings:
   • -._!; -._!@; .edu; .gov; .mil; abuse; accoun; acketst; admin; anyone;
      arin.; avp; berkeley; borlan; bsd; bugs; certific; contact; example;
      feste; fido; foo.; fsf.; gnu; gold-certs; google; gov.; help; iana;
      ibm.com; icrosof; icrosoft; ietf; info; inpris; isc.o; isi.e; kernel;
      linux; listserv; math; mit.e; mozilla; mydomai; nobody; nodomai;
      noone; not; nothing; ntivi; page; panda; pgp; postmaster; privacy;
      rating; rfc-ed; ripe.; root; ruslis; samples; secur; sendmail;
      service; site; soft; somebody; someone; sopho; submit; support; syma;
      tanford.e; the.bat; unix; usenet; utgers.ed; webmaster; www; you; your


Prepend MX strings:
In order to get the IP address of the mail server it has the ability to prepend the following strings to the domain name:
   • gate.
   • ns.
   • relay.
   • mail1.
   • mxs.
   • mx1.
   • smtp.
   • mail.
   • mx.

 IRC To deliver system information and to provide remote control it connects to the following IRC Server:

Server: 66.122.24**********
Port: 6667
Channel: #©ñ-hell®×ßö†#
Nickname: [Dark|Maynul]%six-digit random character string%
Password: sherubeta



– This malware has the ability to collect and send information such as:
    • Free memory
    • Malware uptime
    • Size of memory
    • Information about the Windows operating system


– Furthermore it has the ability to perform actions such as:
    • connect to IRC server
    • disconnect from IRC server
    • Download file
    • Execute file
    • Updates itself

 Hosts The host file is modified as explained:

– In this case already existing entries remain unmodified.

– Access to the following domains is effectively blocked:
   • www.symantec.com; securityresponse.symantec.com; symantec.com;
      www.sophos.com; sophos.com; www.mcafee.com; mcafee.com;
      liveupdate.symantecliveupdate.com; www.viruslist.com; viruslist.com;
      viruslist.com; f-secure.com; www.f-secure.com; kaspersky.com;
      kaspersky-labs.com; www.avp.com; www.kaspersky.com; avp.com;
      www.networkassociates.com; networkassociates.com; www.ca.com; ca.com;
      mast.mcafee.com; my-etrust.com; www.my-etrust.com;
      download.mcafee.com; dispatch.mcafee.com; secure.nai.com; nai.com;
      www.nai.com; update.symantec.com; updates.symantec.com; us.mcafee.com;
      liveupdate.symantec.com; customer.symantec.com; rads.mcafee.com;
      trendmicro.com; pandasoftware.com; www.pandasoftware.com;
      www.trendmicro.com; www.grisoft.com; www.microsoft.com; microsoft.com;
      www.virustotal.com; virustotal.com; www.amazon.com; www.amazon.co.uk;
      www.amazon.ca; www.amazon.fr; www.paypal.com; paypal.com;
      moneybookers.com; www.moneybookers.com; www.ebay.com; ebay.com




The modified host file will look like this:


 Process termination List of processes that are terminated:
   • _AVP32.EXE; _AVPCC.EXE; _AVPM.EXE; ACKWIN32.EXE; ADAWARE.EXE;
      ADVXDWIN.EXE; AGENTSVR.EXE; AGENTW.EXE; ALERTSVC.EXE; ALEVIR.EXE;
      ALOGSERV.EXE; AMON9X.EXE; ANTI-TROJAN.EXE; ANTIVIRUS.EXE; ANTS.EXE;
      APIMONITOR.EXE; APLICA32.EXE; APVXDWIN.EXE; ARR.EXE; ATCON.EXE;
      ATGUARD.EXE; ATRO55EN.EXE; ATUPDATER.EXE; ATUPDATER.EXE; ATWATCH.EXE;
      AU.EXE; AUPDATE.EXE; AUPDATE.EXE; AUTODOWN.EXE; AUTODOWN.EXE;
      AUTO-PROTECT.NAV80TRY.EXE; AUTOTRACE.EXE; AUTOTRACE.EXE;
      AUTOUPDATE.EXE; AUTOUPDATE.EXE; AVCONSOL.EXE; AVE32.EXE; AVGCC32.EXE;
      AVGCTRL.EXE; AVGNT.EXE; AVGSERV.EXE; AVGSERV9.EXE; AVGUARD.EXE;
      AVGW.EXE; AVKPOP.EXE; AVKSERV.EXE; AVKSERVICE.EXE; AVKWCTl9.EXE;
      AVLTMAIN.EXE; AVNT.EXE; AVP.EXE; AVP32.EXE; AVPCC.EXE; AVPDOS32.EXE;
      AVPM.EXE; AVPTC32.EXE; AVPUPD.EXE; AVPUPD.EXE; AVSCHED32.EXE;
      AVSYNMGR.EXE; AVWINNT.EXE; AVWUPD.EXE; AVWUPD32.EXE; AVWUPD32.EXE;
      AVWUPSRV.EXE; AVXMONITOR9X.EXE; AVXMONITORNT.EXE; AVXQUAR.EXE;
      AVXQUAR.EXE; BACKWEB.EXE; BARGAINS.EXE; BD_PROFESSIONAL.EXE;
      BEAGLE.EXE; BELT.EXE; BIDEF.EXE; BIDSERVER.EXE; BIPCP.EXE;
      BIPCPEVALSETUP.EXE; BISP.EXE; BLACKD.EXE; BLACKICE.EXE; BLSS.EXE;
      BOOTCONF.EXE; BOOTWARN.EXE; BORG2.EXE; BPC.EXE; BRASIL.EXE; BS120.EXE;
      BUNDLE.EXE; BVT.EXE; CCAPP.EXE; CCEVTMGR.EXE; CCPXYSVC.EXE; CDP.EXE;
      CFD.EXE; CFGWIZ.EXE; CFIADMIN.EXE; CFIAUDIT.EXE; CFIAUDIT.EXE;
      CFINET.EXE; CFINET32.EXE; CLAW95CF.EXE; CLEAN.EXE; CLEANER.EXE;
      CLEANER3.EXE; CLEANPC.EXE; CLICK.EXE; CMD.EXE; CMD32.EXE; CMESYS.EXE;
      CMGRDIAN.EXE; CMON016.EXE; CONNECTIONMONITOR.EXE; CPD.EXE;
      CPF9X206.EXE; CPFNT206.EXE; CTRL.EXE; CV.EXE; CWNB181.EXE;
      CWNTDWMO.EXE; DATEMANAGER.EXE; DCOMX.EXE; DEFALERT.EXE;
      DEFSCANGUI.EXE; DEFWATCH.EXE; DEPUTY.EXE; DIVX.EXE; DLLCACHE.EXE;
      DLLREG.EXE; DOORS.EXE; DPF.EXE; DPFSETUP.EXE; DPPS2.EXE; DRWATSON.EXE;
      DRWEB32.EXE; DRWEBUPW.EXE; DSSAGENT.EXE; DVP95.EXE; DVP95_0.EXE;
      ECENGINE.EXE; EFPEADM.EXE; EMSW.EXE; ENT.EXE; ESAFE.EXE; ESCANHNT.EXE;
      ESCANV95.EXE; ESPWATCH.EXE; ETHEREAL.EXE; ETRUSTCIPE.EXE; EVPN.EXE;
      EXANTIVIRUS-CNET.EXE; EXE.AVXW.EXE; EXPERT.EXE; EXPLORE.EXE;
      FAMEH32.EXE; FAST.EXE; FCH32.EXE; FIH32.EXE; FINDVIRU.EXE;
      FIREWALL.EXE; FNRB32.EXE; FPROT.EXE; F-PROT.EXE; F-PROT95.EXE;
      FP-WIN.EXE; FP-WIN_TRIAL.EXE; FRW.EXE; FSAA.EXE; FSAV.EXE; FSAV32.EXE;
      FSAV530STBYB.EXE; FSAV530WTBYB.EXE; FSAV95.EXE; FSGK32.EXE; FSM32.EXE;
      FSMA32.EXE; FSMB32.EXE; F-STOPW.EXE; GATOR.EXE; GBMENU.EXE;
      GBPOLL.EXE; GENERICS.EXE; GMT.EXE; GUARD.EXE; GUARDDOG.EXE;
      HACKTRACERSETUP.EXE; HBINST.EXE; HBSRV.EXE; HOTACTIO.EXE;
      HOTPATCH.EXE; HTLOG.EXE; HTPATCH.EXE; HWPE.EXE; HXDL.EXE; HXIUL.EXE;
      IAMAPP.EXE; IAMSERV.EXE; IAMSTATS.EXE; IBMASN.EXE; IBMAVSP.EXE;
      ICLOADNT.EXE; ICMON.EXE; ICSUPP95.EXE; ICSUPPNT.EXE; IDLE.EXE;
      IEDLL.EXE; IEDRIVER.EXE; IEXPLORER.EXE; IFACE.EXE; IFW2000.EXE;
      INETLNFO.EXE; INFUS.EXE; INFWIN.EXE; INIT.EXE; INTDEL.EXE; INTREN.EXE;
      IOMON98.EXE; ISTSVC.EXE; JAMMER.EXE; JDBGMRG.EXE; JEDI.EXE;
      KAVLITE40ENG.EXE; KAVPERS40ENG.EXE; KAVPF.EXE; KAZZA.EXE;
      KEENVALUE.EXE; KERIO-PF-213-EN-WIN.EXE; KERIO-WRL-421-EN-WIN.EXE;
      KERIO-WRP-421-EN-WIN.EXE; KERNEL32.EXE; KILLPROCESSSETUP161.EXE;
      LAUNCHER.EXE; LDNETMON.EXE; LDPRO.EXE; LDPROMENU.EXE; LDSCAN.EXE;
      LNETINFO.EXE; LOADER.EXE; LOCALNET.EXE; LOCKDOWN.EXE;
      LOCKDOWN2000.EXE; LOOKOUT.EXE; LORDPE.EXE; LSETUP.EXE; LUALL.EXE;
      LUALL.EXE; LUAU.EXE; LUCOMSERVER.EXE; LUINIT.EXE; LUSPT.EXE;
      MAPISVC32.EXE; MCAGENT.EXE; MCMNHDLR.EXE; MCSHIELD.EXE; MCTOOL.EXE;
      MCUPDATE.EXE; MCUPDATE.EXE; MCVSRTE.EXE; MCVSSHLD.EXE; MD.EXE;
      MFIN32.EXE; MFW2EN.EXE; MFWENG3.02D30.EXE; MGAVRTCL.EXE; MGAVRTE.EXE;
      MGHTML.EXE; MGUI.EXE; MINILOG.EXE; MMOD.EXE; MONITOR.EXE; MOOLIVE.EXE;
      MOSTAT.EXE; MPFAGENT.EXE; MPFSERVICE.EXE; MPFTRAY.EXE; MRFLUX.EXE;
      MSAPP.EXE; MSBB.EXE; MSBLAST.EXE; MSCACHE.EXE; MSCCN32.EXE;
      MSCMAN.EXE; MSCONFIG.EXE; MSDM.EXE; MSDOS.EXE; MSIEXEC16.EXE;
      MSINFO32.EXE; MSLAUGH.EXE; MSMGT.EXE; MSMSGRI32.EXE; MSSMMC32.EXE;
      MSSYS.EXE; MSVXD.EXE; MU0311AD.EXE; MWATCH.EXE; N32SCANW.EXE; NAV.EXE;
      NAVAP.NAVAPSVC.EXE; NAVAPSVC.EXE; NAVAPW32.EXE; NAVDX.EXE;
      NAVLU32.EXE; NAVNT.EXE; NAVSTUB.EXE; NAVW32.EXE; NAVWNT.EXE;
      NC2000.EXE; NCINST4.EXE; NDD32.EXE; NEC.EXE; NEOMONITOR.EXE;
      NEOWATCHLOG.EXE; NETARMOR.EXE; NETD32.EXE; NETINFO.EXE; NETMON.EXE;
      NETSCANPRO.EXE; NETSPYHUNTER-1.2.EXE; NETSTAT.EXE; NETUTILS.EXE;
      NISSERV.EXE; NISUM.EXE; NMAIN.EXE; NOD32.EXE; NORMIST.EXE;
      NORTON_INTERNET_SECU_3.0_407.EXE; NOTSTART.EXE;
      NPF40_TW_98_NT_ME_2K.EXE; NPFMESSENGER.EXE; NPROTECT.EXE;
      NPSCHECK.EXE; NPSSVC.EXE; NSCHED32.EXE; NSSYS32.EXE; NSTASK32.EXE;
      NSUPDATE.EXE; NT.EXE; NTRTSCAN.EXE; NTVDM.EXE; NTXconfig.EXE; NUI.EXE;
      NUPGRADE.EXE; NUPGRADE.EXE; NVARCH16.EXE; NVC95.EXE; NVSVC32.EXE;
      NWINST4.EXE; NWSERVICE.EXE; NWTOOL16.EXE; OLLYDBG.EXE; ONSRVR.EXE;
      OPTIMIZE.EXE; OSTRONET.EXE; OTFIX.EXE; OUTPOST.EXE; OUTPOST.EXE;
      OUTPOSTINSTALL.EXE; OUTPOSTPROINSTALL.EXE; PADMIN.EXE; PANIXK.EXE;
      PATCH.EXE; PAVCL.EXE; PAVPROXY.EXE; PAVSCHED.EXE; PAVW.EXE;
      PCFWALLICON.EXE; PCIP10117_0.EXE; PCSCAN.EXE; PDSETUP.EXE;
      PERISCOPE.EXE; PERSFW.EXE; PERSWF.EXE; PF2.EXE; PFWADMIN.EXE;
      PGMONITR.EXE; PINGSCAN.EXE; PLATIN.EXE; POP3TRAP.EXE; POPROXY.EXE;
      POPSCAN.EXE; PORTDETECTIVE.EXE; PORTMONITOR.EXE; POWERSCAN.EXE;
      PPINUPDT.EXE; PPTBC.EXE; PPVSTOP.EXE; PRIZESURFER.EXE; PRMT.EXE;
      PRMVR.EXE; PROCDUMP.EXE; PROCESSMONITOR.EXE; PROCEXPLORERV1.0.EXE;
      PROGRAMAUDITOR.EXE; PROPORT.EXE; PROTECTX.EXE; PSPF.EXE; PURGE.EXE;
      QCONSOLE.EXE; QSERVER.EXE; RAPAPP.EXE; RAV7.EXE; RAV7WIN.EXE;
      RAV8WIN32ENG.EXE; RAY.EXE; RB32.EXE; RCSYNC.EXE; REALMON.EXE;
      REGED.EXE; REGEDIT.EXE; REGEDT32.EXE; RESCUE.EXE; RESCUE32.EXE;
      RRGUARD.EXE; RSHELL.EXE; RTVSCAN.EXE; RTVSCN95.EXE; RULAUNCH.EXE;
      RUN32DLL.EXE; RUNDLL.EXE; RUNDLL16.EXE; RUXDLL32.EXE; SAFEWEB.EXE;
      SAHAGENT.EXE; SAVE.EXE; SAVENOW.EXE; SBSERV.EXE; SC.EXE; SCAM32.EXE;
      SCAN32.EXE; SCAN95.EXE; SCANPM.EXE; SCRSCAN.EXE;
      SETUP_FLOWPROTECTOR_US.EXE; SETUPVAMEEVAL.EXE; SFC.EXE; SGSSFW32.EXE;
      SH.EXE; SHELLSPYINSTALL.EXE; SHN.EXE; SHOWBEHIND.EXE; SMC.EXE;
      SMS.EXE; SMSS32.EXE; SOAP.EXE; SOFI.EXE; SPERM.EXE; SPF.EXE;
      SPHINX.EXE; SPOLER.EXE; SPOOLCV.EXE; SPOOLSV32.EXE; SPYXX.EXE;
      SREXE.EXE; SRNG.EXE; SS3EDIT.EXE; SSG_4104.EXE; SSGRATE.EXE; ST2.EXE;
      START.EXE; STCLOADER.EXE; SUPFTRL.EXE; SUPPORT.EXE; SUPPORTER5.EXE;
      SVC.EXE; SVCHOSTC.EXE; SVCHOSTS.EXE; SVSHOST.EXE; SWEEP95.EXE;
      SWEEPNET.SWEEPSRV.SYS.SWNETSUP.EXE; SYMPROXYSVC.EXE; SYMTRAY.EXE;
      SYSEDIT.EXE; SYSTEM.EXE; SYSTEM32.EXE; SYSUPD.EXE; TASKMG.EXE;
      TASKMGR.EXE; TASKMO.EXE; TASKMON.EXE; TAUMON.EXE; TBSCAN.EXE; TC.EXE;
      TCA.EXE; TCM.EXE; TDS2-NT.EXE; TDS-3.EXE; TEEKIDS.EXE; TFAK.EXE;
      TFAK5.EXE; TGBOB.EXE; TITANIN.EXE; TITANINXP.EXE; TRACERT.EXE;
      TRICKLER.EXE; TRJSCAN.EXE; TRJSETUP.EXE; TROJANTRAP3.EXE; TSADBOT.EXE;
      TVMD.EXE; TVTMD.EXE; UNDOBOOT.EXE; UPDAT.EXE; UPDATE.EXE; UPDATE.EXE;
      UPGRAD.EXE; UTPOST.EXE; VBCMSERV.EXE; VBCONS.EXE; VBUST.EXE;
      VBWIN9X.EXE; VBWINNTW.EXE; VCSETUP.EXE; VET32.EXE; VET95.EXE;
      VETTRAY.EXE; VFSETUP.EXE; VIR-HELP.EXE; VIRUSMDPERSONALFIREWALL.EXE;
      VNLAN300.EXE; VNPC3000.EXE; VPC32.EXE; VPC42.EXE; VPFW30S.EXE;
      VPTRAY.EXE; VSCAN40.EXE; VSCENU6.02D30.EXE; VSCHED.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; WEBDAV.EXE; WEBSCANX.EXE; WEBTRAP.EXE; WFINDV32.EXE;
      WHOSWATCHINGME.EXE; WIMMUN32.EXE; WIN32.EXE; WIN32US.EXE;
      WINACTIVE.EXE; WIN-BUGSFIX.EXE; WINDOW.EXE; WINDOWS.EXE; WININETD.EXE;
      WININIT.EXE; WININITX.EXE; WINLOGIN.EXE; WINMAIN.EXE; WINNET.EXE;
      WINPPR32.EXE; WINRECON.EXE; WINSERVN.EXE; WINSSK32.EXE; WINSTART.EXE;
      WINSTART001.EXE; WINTSK32.EXE; WINUPDATE.EXE; WKUFIND.EXE; WNAD.EXE;
      WNT.EXE; WRADMIN.EXE; WRCTRL.EXE; WSBGATE.EXE; WUPDATER.EXE;
      WUPDT.EXE; WYVERNWORKSFIREWALL.EXE; XPF202EN.EXE; ZAPRO.EXE;
      ZAPSETUP3001.EXE; ZATUTOR.EXE; ZONALM2601.EXE; ZONEALARM.EXE


 Miscellaneous Mutex:
It creates the following Mutex:
   • H-E-L-L-B-O-T-P-O-L-Y-M-O-R-P-H

 File details Programming language:
The malware program was written in MS Visual C++.


Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • NSPack

Description inserted by Daniel Constantin on Thursday, April 13, 2006
Description updated by Andrei Gherman on Thursday, April 13, 2006

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