WORM_IRCBOT.ABB
Windows 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan may be downloaded by other malware/grayware/spyware from remote sites. It may be unknowingly downloaded by a user while visiting malicious websites.
It opens a random port to allow a remote user to connect to the affected system. Once a successful connection is established, the remote user executes commands on the affected system. It runs certain commands that it receives remotely from a malicious user. Doing this puts the affected computer and information found on the computer at greater risk.
TECHNICAL DETAILS
86,016 bytes
PE
Yes
15 Oct 2010
Arrival Details
This Trojan may be downloaded by other malware/grayware/spyware from remote sites.
It may be unknowingly downloaded by a user while visiting malicious websites.
Installation
This Trojan drops the following copies of itself into the affected system:
- %Windows%\cfdrive32.exe
(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)
It adds the following mutexes to ensure that only one of its copies runs at any one time:
- jnd282ddrn2fcs
- a2rnn2cnddc2dcs
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Explorer\Run
Microsoft Driver Setup = %Windows%\cfdrive32.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
Microsoft Driver Setup = %Windows%\cfdrive32.exe
Other System Modifications
This Trojan creates the following registry entry(ies) to bypass Windows Firewall:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
{Malware Path and File Name} = "{Malware Path and File Name}:*:%Windows%\cfdrive32.exe"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile
EnableFirewall = 0
Propagation
This Trojan sends copies of itself to target recipients using the following instant-messaging (IM) applications:
- MSN
Backdoor Routine
This Trojan connects to any of the following IRC server(s):
- ms4all.twoplayers.net
It opens a random port to allow a remote user to connect to the affected system. Once a successful connection is established, the remote user executes commands on the affected system.
It executes the following command(s) from a remote malicious user:
- r.getfile
- r.new
- r.update
- r.upd4te
- login
- threads
- logout
- rmzerm3b1tch
- download
- update
- advscan
Process Termination
This Trojan terminates the following processes if found running in the affected system's memory:
- VIPRE.EXE
- ISSDM_EN_32.EXE
- P08PROMO.EXE
- K7TS_SETUP.EXE
- AVINSTALL.EXE
- WITSETUP.EXE
- TrendMicro_TISPro_16.1_1063_x32.EXE
- VBA32-PERSONAL-LATEST-ENGLISH.EXE
- CCSETUP210.EXE
- FSMB32.EXE
- FSGK32.EXE
- FSAV95.EXE
- FSAV530WTBYB.EXE
- FSAV530STBYB.EXE
- FSAV32.EXE
- FSAV.EXE
- FSAA.EXE
- FPROT.EXE
- FP-WIN.EXE
- FNRB32.EXE
- FIH32.EXE
- FCH32.EXE
- FAST.EXE
- FAMEH32.EXE
- F-STOPW.EXE
- F-PROT95.EXE
- F-PROT.EXE
- AFMAIN.EXE
- SPIDERUI.EXE
- SPIDERNT.EXE
- ALERTMAN.EXE
- RAVMOND.EXE
- MAKEREPORT.EXE
- BOXMOD.EXE
- 360SAFE.EXE
- 360RPT.EXE
- 360HOTFIX.EXE
- 360TRAY.EXE
- NSVMON.NPC
- NSAVSVC.NPC
- NPCGREENAGENT.NPC
- PUSCAN.EXE
- AYSERVICENT.AYE
- AYAGENT.AYE
- CMDAGENT.EXE
- CPF.EXE
- VSMON.EXE
- ZLCLIENT.EXE
- NSUTILITY.EXE
- NSPUPDT.EXE
- NAVQSCAN.EXE
- NSPMAIN.EXE
- NSPUPSVC.EXE
- NSPSVC.EXE
- MKSADMINCONSOLE.EXE
- MKSUPDATE.EXE
- MKSPC.EXE
- MKSFWALL.EXE
- MKSVIRMONSVC.EXE
- MKS_SCAN.EXE
- MKS_MAIL.EXE
- MKSREGMON.EXE
- KAVPFW.EXE
- KASMAIN.EXE
- KAV32.EXE
- KPFWSVC.EXE
- KISSVC.EXE
- KWATCH.EXE
- KPFW32.EXE
- KAVSTART.EXE
- KVSRVXP.EXE
- KVOL.EXE
- KVXP.KXP
- KVMONXP.KXP
- CAVASM.EXE
- CMAIN.EXE
- ARCABIT.CORE.LOGGINGSERVICE.EXE
- ARCABIT.CORE.CONFIGURATOR2.EXE
- TASKSCHEDULER.EXE
- UPDATE.EXE
- NETMONSV.EXE
- FILEMONSV.EXE
- ABREGMON.EXE.EXE
- ARCACHECK.EXE
- ARCAVIR.EXE
- AVMENU.EXE
- A2HIJACKFREE.EXE
- A2SERVICE.EXE
- A2START.EXE
- A2SCAN.EXE
- A2GUARD.EXE
- VRFWSVC.EXE
- HFACSVC.EXE
- VRMONSVC.EXE
- HPCSVC.EXE
- HSVCMOD.EXE
- VRMONNT.EXE
- MKSTRAY.EXE
- VBA32ADS.EXE
- VBA32LDR.EXE
- FILELOCKSETUP.EXE
- TSCFCOMMANDER.EXE
- TMPROXY.EXE
- TMPFW.EXE
- TMBMSRV.EXE
- UFNAVI.EXE
- UFSEAGNT.EXE
- TISSPWIZ.EXE
- SFCTLCOM.EXE
- TNBUTIL.EXE
- DEFWATCH.EXE
- RTVSCAN.EXE
- SBAMSVC.EXE
- SBAMUI.EXE
- SBAMTRAY.EXE
- SAVADMINSERVICE.EXE
- SAVSERVICE.EXE
- SCFSERVICE.EXE
- SCFMANAGER.EXE
- RAVTASK.EXE
- CCENTER.EXE
- ULIBCFG.EXE
- RAVLITE.EXE
- PCTAV.EXEPCTAVSVC.EXEPXCONSOLE.EXEPXAGENT.EXERAV.EXE
- PCTSAUXS.EXE
- PCTSTRAY.EXE
- PCTSSVC.EXE
- PCTSGUI.EXE
- AVGAS.EXE
- PAVBCKPT.EXE
- WEBPROXY.EXE
- PAVSRV51.EXESRVLOAD.EXE
- PSIMSVC.EXE
- PSHOST.EXE
- AVENGINE.EXE
- PSKMSSVC.EXE
- PAVPRSRV.EXE
- PAVFNSVR.EXE
- PSCTRLS.EXE
- TPSRV.EXE
- NOD32M2.EXE
- NOD32CC.EXE
- NOD32.EXE
- NMAIN.EXE
- NOD32KUI.EXE
- MSASCUI.EXE
- MSMPENG.EXE
- MCUPDATE.EXE
- MCSHIELD.EXE
- MCVSSHLD.EXE
- MCVSRTE.EXE
- MCAGENT.EXE
- KAVSVC.EXE
- KAV.EXE
- K7TSMNGR.EXE
- K7SPMSRC.EXE
- K7RTSCAN.EXE
- K7PSSRVC.EXE
- K7FWSRVC.EXE
- K7EMLPXY.EXE
- K7TSECURITY.EXE
- K7SYSTRY.EXE
- VIRUSUTILITIES.EXE
- GUARDXSERVICE.EXE
- GUARDXKICKOFF.EXE
- AVKWCTL.EXE
- AVKTUNERSERVICE.EXE
- AVKSERVICE.EXE
- GDFWSVC.EXE
- AVKPROXY.EXE
- GDFIRE~1.EXE
- AVKTRAY.EXE
- GDFIREWALLTRAY.EXE
- FSAUA.EXE
- NOD32KRN.EXE
- FSMA32.EXE
- FSDFWD.EXE
- FSGK32ST.EXE
- FSM32.EXE
- FPWIN.EXE
- FPAVSERVER.EXE
- FPROTTRAY.EXE
- INICIO.EXE
- UMXPOL.EXE
- UMXFWHLP.EXE
- UMXAGENT.EXE
- UMXCFG.EXE
- PPCLTPRIV.EXE
- SVCPRS32.EXE
- ITMRTSVC.EXE
- CCPROVSP.EXE
- MDMCLS32.EXE
- CAGLOBALLIGHT.EXE
- CAPFUPGRADE.EXE
- CAPFASEM.EXE
- CAFW.EXE
- CFGMNG32.EXE
- CCTRAY.EXE
- CLAMTRAY.EXE
- CLAMWIN.EXE
- ALSVC.EXE
- ALMON.EXE
- DRWEBSCD.EXE
- SPIDERML.EXE
- DRWEB32W.EXE
- ACS.EXE
- STRTSVC.EXE
- OP_MON.EXE
- SENSOR.EXE
- QHFW332.EXE
- CATEYE.EXE
- ONLNSVC.EXE
- EMLPROUI.EXE
- UPSCHD.EXE
- SCANMSG.EXE
- SCANWSCS.EXE
- EMLPROXY.EXE
- ONLINENT.EXE
- ASWCLNR.EXE
- BDAGENT.EXE
- VSSERV.EXE
- LIVESRV.EXE
- XCOMMSVR.EXE
- UISCAN.EXE
- BDSS.EXE
- AVGUI.EXE
- AVGUPD.EXE
- AVGSCANX.EXE
- AVGEMC.EXE
- AVGUPSVC.EXE
- AVGAMSVR.EXE
- AVGWDSVC.EXE
- ASHWEBSV.EXE
- ASHMAISV.EXE
- ASWUPDSV.EXE
- ASHSERV.EXE
- ASHDISP.EXE
- AVCENTER.EXE
- SCHED.EXE
- AVIRARKD.EXE
- AVGNT.EXE
- AVGUARD.EXE
- AHNSDSV.EXE
- ACAIS.EXE
- ACALS.EXE
- ACAEGMGR.EXE
- ACAAS.EXE
- QOELOADER.EXE
- APVXDWIN.EXE
- QUHLPSVC.EXE
- 123.EXE
- RAVP.EXEMBAM.EXE123.COM
- UNLOCKER1.8.7.EXE
- UNIEXTRACT.EXE
- SYSANALYZER_SETUP.EXE
- STARTDRECK.EXE
- SPF.EXE
- REGX2.EXE
- REGSHOT.EXE
- REGSCANNER.EXE
- REGISTRAR_LITE.EXE
- REGCOOL.EXE
- REGALYZ.EXE
- PROJECTWHOISINSTALLER.EXE
- PROCMON.EXE
- CUREIT.EXE
- FIXBAGLE.EXE
- PGSETUP.EXE
- OBJMONSETUP.EXE
- NETALYZ.EXE
- KILLBOX.EXE
- INSTALLWATCHPRO25.EXE
- AVENGER.EXE
- IEFIX.EXE
- HOSTSFILEREADER.EXE
- FIXPATH.EXE
- FILEFIND.EXE
- FILEALYZ.EXE
- EULALYZERSETUP.EXE
- A2HIJACKFREESETUP.EXE
- DLLCOMPARE.EXE
- CPROCESS.EXE
- CPORTS.EXE
- ASVIEWER.EXE
- APT.EXE
- APM.EXE
- WIRESHARK.EXE
- SPYBOTSD.EXE
- TEATIMER.EXE
- SPYBOTSD160.EXE
- PROCESSMONITOR.EXE
- PROCDUMP.EXE
- PG2.EXE
- LORDPE.EXE
- ICESWORD.EXE
- REANIMATOR.EXE
- ROOTKITNO.EXE
- RKD.EXE
- HACKMON.EXE
- UNHACKME.EXE
- ROOTKIT_DETECTIVE.EXE
- AVGARKT.EXE
- FSB.EXE
- FSBL.EXE
- ROOTKITREVEALER.EXE
- PSKILL.EXE
- TASKMON.EXE
- TASKLIST.EXE
- TASKMAN.EXE
- PROCEXP.EXE
- MSNFIX.EXE
- HIJACKTHIS_V2.EXE
- HIJACKTHIS.EXE
- HIJACKTHIS_SFX.EXE
- HJTSETUP.EXE
- HJTINSTALL.EXE
- OLLYDBG.EXE
- NETSTAT.EXE
- PORTMONITOR.EXE
- PORTDETECTIVE.EXE
- FPORT.EXE
- APORTS.EXE
- PAVARK.EXE
- DARKSPY105.EXE
- HELIOS.EXE
- ROOTKITBUSTER.EXE
- ROOTALYZER.EXE
- BC5CA6A.EXE
- SEEM.EXE
- DELAYDELFILE.EXE
- DUBATOOL_AV_KILLER.EXE
- SUPERKILLER.EXE
- KAKASETUPV6.EXE
- BUSCAREG.EXE
- MSNCLEANER.EXE
- SRESTORE.EXE
- BOOTSAFE.EXE
- SUPERANTISPYWARE.EXE
- CCLEANER.EXE
- REGUNLOCKER.EXETSNTEVAL.EXEXP_TASKMGRENAB.EXE
- CF9409.EXE
- GMER.EXE
- CATCHME.EXE
- SDFIX.EXE
- COMBOFIX.EXE
- SRENGPS.EXE
- AUTORUNS.EXE
- TASKKILL.EXE
- REGEDIT.EXE
- REG.EXE
- MYPHOTOKILLER.EXE
- KILLAUTOPLUS.EXE
- FOLDERCURE.EXE
- REGEDIT.SCR
- REGEDIT.COM
- MMC.EXE
- TCPVIEW.EXE
- LISTO.EXE
- GUARD.EXE
- NTVDM.EXE
- COMMAND.COM
- COMBOFIX.COM
- COMBOFIX.SCR
- COMBOFIX.BAT
- REGMON.EXE
- OTMOVEIT.EXEMBAM-SETUP.EXE
- JAJA.EXE
- AVZ.EXE
- MBAM.EXE
- MBAM-SETUP.EXE
- PENCLEAN.EXE
- ELISTA.EXE
- HJ.EXE
- WINDOWS-KB890930-V2.2.EXE
- MRTSTUB.EXE
- MRT.EXE
- HIJACK-THIS.EXE
- VIRUS.EXE
- SAFEBOOTKEYREPAIR.EXEOTMOVEIT3.EXEHOSTSXPERT.EXEDAFT.EXE
- ATF-CLEANER.EXE
- COMPAQ_PROPIETARIO.EXE
- SRENGLDR.EXE
- HOOKANLZ.EXE
Other Details
This Trojan does the following:
- This worm connects to the following proxy servers:
- http://www.{BLOCKED}e.net/cgi-bin/envchk/prxjdg.cgi
- http://{BLOCKED}o.hp.infoseek.co.jp/cgi-bin/nph/prxjdg.cgi
- http://www.{BLOCKED}sy.com/cgi-bin/prxjdg.cgi
- http://www.{BLOCKED}p.info/cgi-bin/prxjdg.cgi
- http://{BLOCKED}tegod.com/cgi-bin/prxjdg.cgi
- http://www16.{BLOCKED}2.com/home/aquemai/cgi-bin/prxjdg.cgi
- http://{BLOCKED}.0.22.245/prxjdg.cgi
SOLUTION
8.900
07.542.04
15 Oct 2010
10/15/2010 12:00:00 AM
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Terminate a process file/s detected as WORM_IRCBOT.ABB
*Note: If the detected file/s is/are not displayed in theWindows Task Manager, continue doing the next steps.
Step 3
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run
- Microsoft Driver Setup = %Windows%\cfdrive32.exe
- Microsoft Driver Setup = %Windows%\cfdrive32.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
- Microsoft Driver Setup = %Windows%\cfdrive32.exe
- Microsoft Driver Setup = %Windows%\cfdrive32.exe
- In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile
- EnableFirewall = 0
- EnableFirewall = 0
- In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List
- {Malware Path and File Name} = {Malware Path and File Name}:*:%Windows%\cfdrive32.exe
- {Malware Path and File Name} = {Malware Path and File Name}:*:%Windows%\cfdrive32.exe
Step 4
Scan your computer with your Trend Micro product to delete files detected as WORM_IRCBOT.ABB. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
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