W32.Gaobot.BIE

Risk Level 1: Very Low

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Discovered: September 7, 2004
Updated: February 13, 2007 12:27:14 PM
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows NT, Windows Server 2003, Windows XP


W32.Gaobot.BIE is a worm that spreads to remote network shares, through backdoors opened by other common backdoor Trojan horse programs, and by exploiting several Windows vulnerabilities. The worm opens a backdoor and allows a remote attacker to have unauthorized access to the infected computer via IRC channels. It also attempts to lower security settings and steal confidential information from the infected computer.



The worm attempts to terminate the following processes:
    • F-AGOBOT.EXE
    • HIJACKTHIS.EXE
    • _AVPM.EXE
    • _AVPCC.EXE
    • _AVP32.EXE
    • ZONEALARM.EXE
    • ZONALM2601.EXE
    • ZATUTOR.EXE
    • ZAPSETUP3001.EXE
    • ZAPRO.EXE
    • XPF202EN.EXE
    • WYVERNWORKSFIREWALL.EXE
    • WUPDT.EXE
    • WUPDATER.EXE
    • WSBGATE.EXE
    • WRCTRL.EXE
    • WRADMIN.EXE
    • WNT.EXE
    • WNAD.EXE
    • WKUFIND.EXE
    • WINUPDATE.EXE
    • WINTSK32.EXE
    • WINSTART001.EXE
    • WINSTART.EXE
    • WINSSK32.EXE
    • WINSERVN.EXE
    • WINRECON.EXE
    • WINPPR32.EXE
    • WINNET.EXE
    • WINMAIN.EXE
    • WINLOGIN.EXE
    • WININITX.EXE
    • WININIT.EXE
    • WININETD.EXE
    • WINDOWS.EXE
    • WINDOW.EXE
    • WINACTIVE.EXE
    • WIN32US.EXE
    • WIN32.EXE
    • WIN-BUGSFIX.EXE
    • WIMMUN32.EXE
    • WHOSWATCHINGME.EXE
    • WGFE95.EXE
    • WFINDV32.EXE
    • WEBTRAP.EXE
    • WEBSCANX.EXE
    • WEBDAV.EXE
    • WATCHDOG.EXE
    • W9X.EXE
    • W32DSM89.EXE
    • VSWINPERSE.EXE
    • VSWINNTSE.EXE
    • VSWIN9XE.EXE
    • VSSTAT.EXE
    • VSMON.EXE
    • VSMAIN.EXE
    • VSISETUP.EXE
    • VSHWIN32.EXE
    • VSECOMR.EXE
    • VSCHED.EXE
    • VSCENU6.02D30.EXE
    • VSCAN40.EXE
    • VPTRAY.EXE
    • VPFW30S.EXE
    • VPC42.EXE
    • VPC32.EXE
    • VNPC3000.EXE
    • VNLAN300.EXE
    • VIRUSMDPERSONALFIREWALL.EXE
    • VIR-HELP.EXE
    • VFSETUP.EXE
    • VETTRAY.EXE
    • VET95.EXE
    • VET32.EXE
    • VCSETUP.EXE
    • VBWINNTW.EXE
    • VBWIN9X.EXE
    • VBUST.EXE
    • VBCONS.EXE
    • VBCMSERV.EXE
    • UTPOST.EXE
    • UPGRAD.EXE
    • UPDAT.EXE
    • UNDOBOOT.EXE
    • TVTMD.EXE
    • TVMD.EXE
    • TSADBOT.EXE
    • TROJANTRAP3.EXE
    • TRJSETUP.EXE
    • TRJSCAN.EXE
    • TRICKLER.EXE
    • TRACERT.EXE
    • TITANINXP.EXE
    • TITANIN.EXE
    • TGBOB.EXE
    • TFAK5.EXE
    • TFAK.EXE
    • TEEKIDS.EXE
    • TDS2-NT.EXE
    • TDS2-98.EXE
    • TDS-3.EXE
    • TCM.EXE
    • TCA.EXE
    • TC.EXE
    • TBSCAN.EXE
    • TAUMON.EXE
    • TASKMON.EXE
    • TASKMO.EXE
    • TASKMG.EXE
    • SYSUPD.EXE
    • SYSTEM32.EXE
    • SYSTEM.EXE
    • SYSEDIT.EXE
    • SYMTRAY.EXE
    • SYMPROXYSVC.EXE
    • SWEEPNET.SWEEPSRV.SYS.SWNETSUP.EXE
    • SWEEP95.EXE
    • SVSHOST.EXE
    • SVCHOSTS.EXE
    • SVCHOSTC.EXE
    • SVC.EXE
    • SUPPORTER5.EXE
    • SUPPORT.EXE
    • SUPFTRL.EXE
    • STCLOADER.EXE
    • START.EXE
    • ST2.EXE
    • SSG_4104.EXE
    • SSGRATE.EXE
    • SS3EDIT.EXE
    • SRNG.EXE
    • SREXE.EXE
    • SPYXX.EXE
    • SPOOLSV32.EXE
    • SPOOLCV.EXE
    • SPOLER.EXE
    • SPHINX.EXE
    • SPF.EXE
    • SPERM.EXE
    • SOFI.EXE
    • SOAP.EXE
    • SMSS32.EXE
    • SMS.EXE
    • SMC.EXE
    • SHOWBEHIND.EXE
    • SHN.EXE
    • UPDATE.EXE
    • SHELLSPYINSTALL.EXE
    • SH.EXE
    • SGSSFW32.EXE
    • SFC.EXE
    • SETUP_FLOWPROTECTOR_US.EXE
    • SETUPVAMEEVAL.EXE
    • SERVLCES.EXE
    • SERVLCE.EXE
    • SERVICE.EXE
    • SERV95.EXE
    • SD.EXE
    • SCVHOST.EXE
    • SCRSVR.EXE
    • SCRSCAN.EXE
    • SCANPM.EXE
    • SCAN95.EXE
    • SCAN32.EXE
    • SCAM32.EXE
    • SC.EXE
    • SBSERV.EXE
    • SAVENOW.EXE
    • SAVE.EXE
    • SAHAGENT.EXE
    • SAFEWEB.EXE
    • RUXDLL32.EXE
    • RUNDLL16.EXE
    • RUNDLL.EXE
    • RUN32DLL.EXE
    • RULAUNCH.EXE
    • RTVSCN95.EXE
    • RTVSCAN.EXE
    • RSHELL.EXE
    • RRGUARD.EXE
    • RESCUE32.EXE
    • RESCUE.EXE
    • REGEDT32.EXE
    • REGEDIT.EXE
    • REGED.EXE
    • REALMON.EXE
    • RCSYNC.EXE
    • RB32.EXE
    • RAY.EXE
    • RAV8WIN32ENG.EXE
    • RAV7WIN.EXE
    • RAV7.EXE
    • RAPAPP.EXE
    • QSERVER.EXE
    • QCONSOLE.EXE
    • PVIEW95.EXE
    • PUSSY.EXE
    • PURGE.EXE
    • PSPF.EXE
    • PROTECTX.EXE
    • PROPORT.EXE
    • PROGRAMAUDITOR.EXE
    • PROCEXPLORERV1.0.EXE
    • PROCESSMONITOR.EXE
    • PROCDUMP.EXE
    • PRMVR.EXE
    • PRMT.EXE
    • PRIZESURFER.EXE
    • PPVSTOP.EXE
    • PPTBC.EXE
    • PPINUPDT.EXE
    • POWERSCAN.EXE
    • PORTMONITOR.EXE
    • PORTDETECTIVE.EXE
    • POPSCAN.EXE
    • POPROXY.EXE
    • POP3TRAP.EXE
    • PLATIN.EXE
    • PINGSCAN.EXE
    • PGMONITR.EXE
    • PFWADMIN.EXE
    • PF2.EXE
    • PERSWF.EXE
    • PERSFW.EXE
    • PERISCOPE.EXE
    • PENIS.EXE
    • PDSETUP.EXE
    • PCSCAN.EXE
    • PCIP10117_0.EXE
    • PCFWALLICON.EXE
    • PCDSETUP.EXE
    • PCCWIN98.EXE
    • PCCWIN97.EXE
    • PCCNTMON.EXE
    • PCCIOMON.EXE
    • PCC2K_76_1436.EXE
    • PCC2002S902.EXE
    • PAVW.EXE
    • PAVSCHED.EXE
    • PAVPROXY.EXE
    • PAVCL.EXE
    • PATCH.EXE
    • PANIXK.EXE
    • PADMIN.EXE
    • OUTPOSTPROINSTALL.EXE
    • OUTPOSTINSTALL.EXE
    • OTFIX.EXE
    • OSTRONET.EXE
    • OPTIMIZE.EXE
    • ONSRVR.EXE
    • OLLYDBG.EXE
    • NWTOOL16.EXE
    • NWSERVICE.EXE
    • NWINST4.EXE
    • NVSVC32.EXE
    • NVC95.EXE
    • NVARCH16.EXE
    • NUI.EXE
    • NTXconfig.EXE
    • NTVDM.EXE
    • NTRTSCAN.EXE
    • NT.EXE
    • NSUPDATE.EXE
    • NSTASK32.EXE
    • NSSYS32.EXE
    • NSCHED32.EXE
    • NPSSVC.EXE
    • NPSCHECK.EXE
    • NPROTECT.EXE
    • NPFMESSENGER.EXE
    • NPF40_TW_98_NT_ME_2K.EXE
    • NOTSTART.EXE
    • NORTON_INTERNET_SECU_3.0_407.EXE
    • NORMIST.EXE
    • NOD32.EXE
    • NMAIN.EXE
    • NISUM.EXE
    • NISSERV.EXE
    • NETUTILS.EXE
    • NETSTAT.EXE
    • NETSPYHUNTER-1.2.EXE
    • NETSCANPRO.EXE
    • NETMON.EXE
    • NETINFO.EXE
    • NETD32.EXE
    • NETARMOR.EXE
    • NEOWATCHLOG.EXE
    • NEOMONITOR.EXE
    • NDD32.EXE
    • NCINST4.EXE
    • NC2000.EXE
    • NAVWNT.EXE
    • NAVW32.EXE
    • NAVSTUB.EXE
    • NAVNT.EXE
    • NAVLU32.EXE
    • NAVENGNAVEX15.NAVLU32.EXE
    • NAVDX.EXE
    • NAVAPW32.EXE
    • NAVAPSVC.EXE
    • NAVAP.NAVAPSVC.EXE
    • AUTO-PROTECT.NAV80TRY.EXE
    • NAV.EXE
    • OUTPOST.EXE
    • NUPGRADE.EXE
    • N32SCANW.EXE
    • MWATCH.EXE
    • MU0311AD.EXE
    • MSVXD.EXE
    • MSSYS.EXE
    • MSSMMC32.EXE
    • MSMSGRI32.EXE
    • MSMGT.EXE
    • MSLAUGH.EXE
    • MSINFO32.EXE
    • MSIEXEC16.EXE
    • MSDOS.EXE
    • MSDM.EXE
    • MSCONFIG.EXE
    • MSCMAN.EXE
    • MSCCN32.EXE
    • MSCACHE.EXE
    • MSBLAST.EXE
    • MSBB.EXE
    • MSAPP.EXE
    • MRFLUX.EXE
    • MPFTRAY.EXE
    • MPFSERVICE.EXE
    • MPFAGENT.EXE
    • MOSTAT.EXE
    • MOOLIVE.EXE
    • MONITOR.EXE
    • MMOD.EXE
    • MINILOG.EXE
    • MGUI.EXE
    • MGHTML.EXE
    • MGAVRTE.EXE
    • MGAVRTCL.EXE
    • MFWENG3.02D30.EXE
    • MFW2EN.EXE
    • MFIN32.EXE
    • MD.EXE
    • MCVSSHLD.EXE
    • MCVSRTE.EXE
    • MCTOOL.EXE
    • MCSHIELD.EXE
    • MCMNHDLR.EXE
    • MCAGENT.EXE
    • MAPISVC32.EXE
    • LUSPT.EXE
    • LUINIT.EXE
    • LUCOMSERVER.EXE
    • LUAU.EXE
    • LSETUP.EXE
    • LORDPE.EXE
    • LOOKOUT.EXE
    • LOCKDOWN2000.EXE
    • LOCKDOWN.EXE
    • LOCALNET.EXE
    • LOADER.EXE
    • LNETINFO.EXE
    • LDSCAN.EXE
    • LDPROMENU.EXE
    • LDPRO.EXE
    • LDNETMON.EXE
    • LAUNCHER.EXE
    • KILLPROCESSSETUP161.EXE
    • KERNEL32.EXE
    • KERIO-WRP-421-EN-WIN.EXE
    • KERIO-WRL-421-EN-WIN.EXE
    • KERIO-PF-213-EN-WIN.EXE
    • KEENVALUE.EXE
    • KAZZA.EXE
    • KAVPF.EXE
    • KAVPERS40ENG.EXE
    • KAVLITE40ENG.EXE
    • JEDI.EXE
    • JDBGMRG.EXE
    • JAMMER.EXE
    • ISTSVC.EXE
    • MCUPDATE.EXE
    • LUALL.EXE
    • ISRV95.EXE
    • ISASS.EXE
    • IRIS.EXE
    • IPARMOR.EXE
    • IOMON98.EXE
    • INTREN.EXE
    • INTDEL.EXE
    • INIT.EXE
    • INFWIN.EXE
    • INFUS.EXE
    • INETLNFO.EXE
    • IFW2000.EXE
    • IFACE.EXE
    • IEXPLORER.EXE
    • IEDRIVER.EXE
    • IEDLL.EXE
    • IDLE.EXE
    • ICSUPPNT.EXE
    • ICMON.EXE
    • ICLOADNT.EXE
    • ICLOAD95.EXE
    • IBMAVSP.EXE
    • IBMASN.EXE
    • IAMSTATS.EXE
    • IAMSERV.EXE
    • IAMAPP.EXE
    • HXIUL.EXE
    • HXDL.EXE
    • HWPE.EXE
    • HTPATCH.EXE
    • HTLOG.EXE
    • HOTPATCH.EXE
    • HOTACTIO.EXE
    • HBSRV.EXE
    • HBINST.EXE
    • HACKTRACERSETUP.EXE
    • GUARDDOG.EXE
    • GUARD.EXE
    • GMT.EXE
    • GENERICS.EXE

Protection

  • Initial Rapid Release version September 8, 2004
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version September 8, 2004
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date September 8, 2004

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

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy

Damage

  • Damage Level: Low

Distribution

  • Distribution Level: Medium

Writeup By: Fergal Ladley
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