WORM_KOLAB.FD
Windows 2000, XP, Server 2003

Threat Type: Worm
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Propagates via network shares, Propagates via instant messaging applications
This worm arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It may be downloaded by other malware/grayware/spyware from remote sites. It may be dropped by other malware.
It receives commands from a server that may be controlled by a bot or a malicious user.
TECHNICAL DETAILS
67,677 bytes
EXE
Yes
07 Feb 2011
Downloads files, Terminates processes, Compromises system security
Arrival Details
This worm arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It may arrive via network shares.
It may be downloaded by other malware/grayware/spyware from remote sites.
It may be dropped by other malware.
Installation
This worm drops the following component file(s):
- %Windows\ lfffile32.log
It drops the following copies of itself into the affected system:
- %Windows%\wjdrive32.exe
(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)
Autostart Technique
This worm 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%\wjdrive32.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
Microsoft Driver Setup = %Windows%\wjdrive32.exe
Propagation
This worm scans networks for random IP addresses to search for systems to target. It then attempts to drop copies of itself into the following networks the systems are attached to:
- %Windows%\wjdrive32.exe
(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)
It sends messages that contain links to sites hosting remote copies of itself using the following instant-messaging (IM) applications:
- MSN Messenger
Backdoor Routine
This worm connects to the following URL(s) to send and receive commands from a remote malicious user:
- {BLOCKED}j.ahrampress.net
Process Termination
This worm terminates the following processes if found running in the affected system's memory:
- 123.EXE
- 360HOTFIX.EXE
- 360RPT.EXE
- 360SAFE.EXE
- 360TRAY.EXE
- A2GUARD.EXE
- A2HIJACKFREE.EXE
- A2HIJACKFREESETUP.EXE
- A2SCAN.EXE
- A2SERVICE.EXE
- A2START.EXE
- ABREGMON.EXE.EXE
- ACAAS.EXE
- ACAEGMGR.EXE
- ACAIS.EXE
- ACALS.EXE
- ACS.EXE
- AFMAIN.EXE
- AHNSDSV.EXE
- ALERTMAN.EXE
- ALMON.EXE
- ALSVC.EXE
- APM.EXE
- APORTS.EXE
- APT.EXE
- APVXDWIN.EXE
- ARCABIT.CORE.CONFIGURATOR2.EXE
- ARCABIT.CORE.LOGGINGSERVICE.EXE
- ARCACHECK.EXE
- ARCAVIR.EXE
- ASHDISP.EXE
- ASHMAISV.EXE
- ASHSERV.EXE
- ASHWEBSV.EXE
- ASVIEWER.EXE
- ASWCLNR.EXE
- ASWUPDSV.EXE
- ATF-CLEANER.EXE
- AUTORUNS.EXE
- AVCENTER.EXE
- AVENGER.EXE
- AVENGINE.EXE
- AVGAMSVR.EXE
- AVGARKT.EXE
- AVGAS.EXE
- AVGEMC.EXE
- AVGNT.EXE
- AVGSCANX.EXE
- AVGUARD.EXE
- AVGUI.EXE
- AVGUPD.EXE
- AVGUPSVC.EXE
- AVGWDSVC.EXE
- AVINSTALL.EXE
- AVIRARKD.EXE
- AVKPROXY.EXE
- AVKSERVICE.EXE
- AVKTRAY.EXE
- AVKTUNERSERVICE.EXE
- AVKWCTL.EXE
- AVMENU.EXE
- AVZ.EXE
- AYAGENT.AYE
- AYSERVICENT.AYE
- BC5CA6A.EXE
- BDAGENT.EXE
- BDSS.EXE
- BOOTSAFE.EXE
- BOXMOD.EXE
- BUSCAREG.EXE
- CAFW.EXE
- CAGLOBALLIGHT.EXE
- CAPFASEM.EXE
- CAPFUPGRADE.EXE
- CATCHME.EXE
- CATEYE.EXE
- CAVASM.EXE
- CCENTER.EXE
- CCLEANER.EXE
- CCPROVSP.EXE
- CCSETUP210.EXE
- CCTRAY.EXE
- CF9409.EXE
- CFGMNG32.EXE
- CLAMTRAY.EXE
- CLAMWIN.EXE
- CMAIN.EXE
- CMDAGENT.EXE
- COMBOFIX.BAT
- COMBOFIX.COM
- COMBOFIX.EXE
- COMBOFIX.SCR
- COMMAND.COM
- COMPAQ_PROPIETARIO.EXE
- CPF.EXE
- CPORTS.EXE
- CPROCESS.EXE
- CUREIT.EXE
- DARKSPY105.EXE
- DEFWATCH.EXE
- DELAYDELFILE.EXE
- DLLCOMPARE.EXE
- DRWEB32W.EXE
- DRWEBSCD.EXE
- DUBATOOL_AV_KILLER.EXE
- ELISTA.EXE
- EMLPROUI.EXE
- EMLPROXY.EXE
- EULALYZERSETUP.EXE
- F-PROT.EXE
- F-PROT95.EXE
- F-STOPW.EXE
- FAMEH32.EXE
- FAST.EXE
- FCH32.EXE
- FIH32.EXE
- FILEALYZ.EXE
- FILEFIND.EXE
- FILELOCKSETUP.EXE
- FILEMONSV.EXE
- FIXBAGLE.EXE
- FIXPATH.EXE
- FNRB32.EXE
- FOLDERCURE.EXE
- FP-WIN.EXE
- FPAVSERVER.EXE
- FPORT.EXE
- FPROT.EXE
- FPROTTRAY.EXE
- FPWIN.EXE
- FSAA.EXE
- FSAUA.EXE
- FSAV.EXE
- FSAV32.EXE
- FSAV530STBYB.EXE
- FSAV530WTBYB.EXE
- FSAV95.EXE
- FSB.EXE
- FSBL.EXE
- FSDFWD.EXE
- FSGK32.EXE
- FSGK32ST.EXE
- FSM32.EXE
- FSMA32.EXE
- FSMB32.EXE
- GDFIREWALLTRAY.EXE
- GDFIRE~1.EXE
- GDFWSVC.EXE
- GMER.EXE
- GUARD.EXE
- GUARDXKICKOFF.EXE
- GUARDXSERVICE.EXE
- HACKMON.EXE
- HELIOS.EXE
- HFACSVC.EXE
- HIJACK-THIS.EXE
- HIJACKTHIS.EXE
- HIJACKTHIS_SFX.EXE
- HIJACKTHIS_V2.EXE
- HJ.EXE
- HJTINSTALL.EXE
- HJTSETUP.EXE
- HOOKANLZ.EXE
- HOSTSFILEREADER.EXE
- HPCSVC.EXE
- HSVCMOD.EXE
- ICESWORD.EXE
- IEFIX.EXE
- INICIO.EXE
- INSTALLWATCHPRO25.EXE
- ISSDM_EN_32.EXE
- ITMRTSVC.EXE
- JAJA.EXE
- K7EMLPXY.EXE
- K7FWSRVC.EXE
- K7PSSRVC.EXE
- K7RTSCAN.EXE
- K7SPMSRC.EXE
- K7SYSTRY.EXE
- K7TS_SETUP.EXE
- K7TSECURITY.EXE
- K7TSMNGR.EXE
- KAKASETUPV6.EXE
- KASMAIN.EXE
- KAV.EXE
- KAV32.EXE
- KAVPFW.EXE
- KAVSTART.EXE
- KAVSVC.EXE
- KILLAUTOPLUS.EXE
- KILLBOX.EXE
- KISSVC.EXE
- KPFW32.EXE
- KPFWSVC.EXE
- KVMONXP.KXP
- KVOL.EXE
- KVSRVXP.EXE
- KVXP.KXP
- KWATCH.EXE
- LISTO.EXE
- LIVESRV.EXE
- LORDPE.EXE
- MAKEREPORT.EXE
- MBAM-SETUP.EXE
- MBAM.EXE
- MCAGENT.EXE
- MCSHIELD.EXE
- MCUPDATE.EXE
- MCVSRTE.EXE
- MCVSSHLD.EXE
- MDMCLS32.EXE
- MKS_MAIL.EXE
- MKS_SCAN.EXE
- MKSADMINCONSOLE.EXE
- MKSFWALL.EXE
- MKSPC.EXE
- MKSREGMON.EXE
- MKSTRAY.EXE
- MKSUPDATE.EXE
- MKSVIRMONSVC.EXE
- MMC.EXE
- MRT.EXE
- MRTSTUB.EXE
- MSASCUI.EXE
- MSMPENG.EXE
- MSNCLEANER.EXE
- MSNFIX.EXE
- MYPHOTOKILLER.EXE
- NAVQSCAN.EXE
- NETALYZ.EXE
- NETMONSV.EXE
- NETSTAT.EXE
- NMAIN.EXE
- NOD32.EXE
- NOD32CC.EXE
- NOD32KRN.EXE
- NOD32KUI.EXE
- NOD32M2.EXE
- NPCGREENAGENT.NPC
- NSAVSVC.NPC
- NSPMAIN.EXE
- NSPSVC.EXE
- NSPUPDT.EXE
- NSPUPSVC.EXE
- NSUTILITY.EXE
- NSVMON.NPC
- NTVDM.EXE
- OBJMONSETUP.EXE
- OLLYDBG.EXE
- ONLINENT.EXE
- ONLNSVC.EXE
- OP_MON.EXE
- OTMOVEIT.EXEMBAM-SETUP.EXE
- P08PROMO.EXE
- PAVARK.EXE
- PAVBCKPT.EXE
- PAVFNSVR.EXE
- PAVPRSRV.EXE
- PAVSRV51.EXE
- SRVLOAD.EXE
- PCTAV.EXE
- PCTAVSVC.EXE
- PXCONSOLE.EXE
- PXAGENT.EXE
- RAV.EXE
- PCTSAUXS.EXE
- PCTSGUI.EXE
- PCTSSVC.EXE
- PCTSTRAY.EXE
- PENCLEAN.EXE
- PG2.EXE
- PGSETUP.EXE
- PORTDETECTIVE.EXE
- PORTMONITOR.EXE
- PPCLTPRIV.EXE
- PROCDUMP.EXE
- PROCESSMONITOR.EXE
- PROCEXP.EXE
- PROCMON.EXE
- PROJECTWHOISINSTALLER.EXE
- PSCTRLS.EXE
- PSHOST.EXE
- PSIMSVC.EXE
- PSKILL.EXE
- PSKMSSVC.EXE
- PUSCAN.EXE
- QHFW332.EXE
- QOELOADER.EXE
- QUHLPSVC.EXE
- RAVLITE.EXE
- RAVMOND.EXE
- RAVP.EXE
- MBAM.EXE
- 123.COM
- RAVTASK.EXE
- REANIMATOR.EXE
- REG.EXE
- REGALYZ.EXE
- REGCOOL.EXE
- REGEDIT.COM
- REGEDIT.EXE
- REGEDIT.SCR
- REGISTRAR_LITE.EXE
- REGMON.EXE
- REGSCANNER.EXE
- REGSHOT.EXE
- REGUNLOCKER.EXETSNTEVAL.EXE
- XP_TASKMGRENAB.EXE
- REGX2.EXE
- RKD.EXE
- ROOTALYZER.EXE
- ROOTKIT_DETECTIVE.EXE
- ROOTKITBUSTER.EXE
- ROOTKITNO.EXE
- ROOTKITREVEALER.EXE
- RTVSCAN.EXE
- SAFEBOOTKEYREPAIR.EXE
- OTMOVEIT3.EXE
- HOSTSXPERT.EXE
- DAFT.EXE
- SAVADMINSERVICE.EXE
- SAVSERVICE.EXE
- SBAMSVC.EXE
- SBAMTRAY.EXE
- SBAMUI.EXE
- SCANMSG.EXE
- SCANWSCS.EXE
- SCFMANAGER.EXE
- SCFSERVICE.EXE
- SCHED.EXE
- SDFIX.EXE
- SEEM.EXE
- SENSOR.EXE
- SFCTLCOM.EXE
- SPF.EXE
- SPIDERML.EXE
- SPIDERNT.EXE
- SPIDERUI.EXE
- SPYBOTSD.EXE
- SPYBOTSD160.EXE
- SRENGLDR.EXE
- SRENGPS.EXE
- SRESTORE.EXE
- STARTDRECK.EXE
- STRTSVC.EXE
- SUPERANTISPYWARE.EXE
- SUPERKILLER.EXE
- SVCPRS32.EXE
- SYSANALYZER_SETUP.EXE
- TASKKILL.EXE
- TASKLIST.EXE
- TASKMAN.EXE
- TASKMON.EXE
- TASKSCHEDULER.EXE
- TCPVIEW.EXE
- TEATIMER.EXE
- TISSPWIZ.EXE
- TMBMSRV.EXE
- TMPFW.EXE
- TMPROXY.EXE
- TNBUTIL.EXE
- TPSRV.EXE
- TrendMicro_TISPro_16.1_1063_x32.EXE
- TSCFCOMMANDER.EXE
- UFNAVI.EXE
- UFSEAGNT.EXE
- UISCAN.EXE
- ULIBCFG.EXE
- UMXAGENT.EXE
- UMXCFG.EXE
- UMXFWHLP.EXE
- UMXPOL.EXE
- UNHACKME.EXE
- UNIEXTRACT.EXE
- UNLOCKER1.8.7.EXE
- UPDATE.EXE
- UPSCHD.EXE
- VBA32-PERSONAL-LATEST-ENGLISH.EXE
- VBA32ADS.EXE
- VBA32LDR.EXE
- VIPRE.EXE
- VIRUS.EXE
- VIRUSUTILITIES.EXE
- VRFWSVC.EXE
- VRMONNT.EXE
- VRMONSVC.EXE
- VSMON.EXE
- VSSERV.EXE
- WEBPROXY.EXE
- WINDOWS-KB890930-V2.2.EXE
- WIRESHARK.EXE
- WITSETUP.EXE
- XCOMMSVR.EXE
- ZLCLIENT.EXE
Other Details
This worm attempts to access the following websites to download files, which are possibly malicious:
- 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://{BLOCKED}6.tok2.com/ho e/aquemai/cgi-bin/prxjdg.cgi
- http://{BLOCKED}.{BLOCKED}.22.245/prxjdg.cgi
- http://www.{BLOCKED}n.to/cgi-bin/prxjdg.cgi
- http://{BLOCKED}ys.ru/img/prxjdg.cgi
- http://{BLOCKED}.{BLOCKED}.162.59/app.exe
It does the following:
- It modifies the following registry entries to disable the Windows Firewall settings:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\
SharedAccess\Parameters\FirewallPolicy\StandardProfile
EnableFirewall = 0(The dafult value for the said registry entry is 1.)
Denial of Service
This worm receives commands from a server that may be controlled by a bot or a malicious user.
SOLUTION
8.900
7.816.09
07 Feb 2011
2/7/2011 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
Restart in Safe Mode
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%\wjdrive32.exe
- Microsoft Driver Setup = %Windows%\wjdrive32.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
- Microsoft Driver Setup = %Windows%\wjdrive32.exe
- Microsoft Driver Setup = %Windows%\wjdrive32.exe
Step 4
Restore this modified 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\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile
- From: EnableFirewall = 0
To: 1
- From: EnableFirewall = 0
Step 5
Search and delete this file
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as WORM_KOLAB.FD. 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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