TROJ_BANKER.SCR
WebWasher: BlockReason.46 (suspicious)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This malicious .DLL file monitors the address bar of Internet Explorer and checks if the user tries to visit websites with certain strings. If the website contains any of the above-mentioned strings, it connects to any of specific websites to download and execute a malicious file.
This Trojan may be dropped by other malware. It may be downloaded from remote sites by other malware.
It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
TECHNICAL DETAILS
798,720 bytes
PE
No
31 Dec 2010
Downloads files
Arrival Details
This Trojan may be dropped by other malware.
It may be downloaded from remote site(s) by the following malware:
- TROJ_DLOADR.SCR
Autostart Technique
This Trojan registers itself as a BHO to ensure its automatic execution every time Internet Explorer is used by adding the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{FFADDC14-BA46-4A8A-984A-ADBE1C6D37EA}\InProcServer32
@ = {malware path and file name}.DLL
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{FFADDC14-BA46-4A8A-984A-ADBE1C6D37EA}
Download Routine
This Trojan saves the files it downloads using the following names:
- %Windows%\inf\update.exe - detected as TSPY_ZBOT.TOL
(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)
It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
Other Details
This Trojan does the following:
- This malicious .DLL file monitors the address bar of Internet Explorer and checks if the user tries to visit websites with the following strings:
- /EBC_EBC1961
- /ebc_ebc1961
- commercial.wachovia.com
- wc.wachovia.com
- wcp.wachovia.com
- chsec.wellsfargo.com
- wellsoffice.wellsfargo.com
- ceowt.wellsfargo.com
- wellsnet.wellsfargo.com
- treasury.pncbank.com
- infoplus.mandtbank.com
- webbankingforbusiness.mandtbank.com
- gateway.firstbanks.com
- capitalonebank.com
- businessonline.huntington.com
- .53.com
- singlepoint.usbank.com
- directline4biz.com/bbwflow1
- directline4biz.com
- ctreporter.coletaylor.com
- thebeneficial-corpbank.com
- treasurydirect.soc.tdbank.com
- netconnect.bokf.com
- e-access.compassbank.com
- direct.bankofamerica.com
- businessaccess.citibank.citigroup.com
- bbvanetcash.com
- cashproonline.bankofamerica.com
- treasurypro.umpquabank.com
- bob.sovereignbank.com
- citizensbankmoneymanagergps.com
- citizensbankonline.com
- netteller.com
- commercial.bnc.ca
- intrusttreasury.com
- salesforce.com
- cityntl.webcashmgmt.com
- eastwestbank.webcashmgmt.com
- ffce.webcashmgmt.com
- onb.webcashmgmt.com
- webcashmgmt.com
- manufacturers.web-access.com
- mgt.frostbank.com
- web-access.com
- secureinternetbank.com/WebCaptureWeb
- hsbcnet.com
- scotiabank.com
- enterprise2.openbank.com
- tdcommercialbanking
- tdcecorp.com
- ucbecorp.com
- commbank.com.au
- comerica.com
- bankwest.com.au
- nab.com.au
- treasuryservices
- banknow.
- texascapitalbank.com
- wcb.com
- tmcb.zionsbank.com
- secure-eccu.org
- goldleafach.com
- bpna.webcashmanager.com
- huntington.enterprisebanker.com
- sterlingbank.enterprisebanker.com
- integrabank.enterprisebanker.com
- fnfgbusinessonline.enterprisebanker.com
- republicbank.enterprisebanker.com
- wcma.businesscenter.ml.com
- nhsb.wblnk.com
- otm.suntrust.com
- businessportal.mibank.com
- tcfexpressbusiness.com
- mibusinessonlinebanking.ebanking-services.com
- peoplesunited.ebanking-services.com
- firstbusiness.ebanking-services.com
- citidirect-eb.citicorp.com
- ktt.key.com
- ktt4c.key.com
- kbo.key.com
- access.jpmorgan.com
- tssportal.jpmorgan.com
- srvc2.jpmorgan.com
- srvc1.jpmorgan.com
- banquepopulaire.fr
- credit-agricole.fr
- onesource.ubs.com
- onlineserv/CM
- directnet.com
- direct.db.com
- businessbankingcenter.synovus.com
- cashman.arvest.com
- secure.fundsxpress.com
- www.business.barclays.co.uk
- dzbank.de
- combnk.com
- sso.usbib.net.hsbc.com
- smbc.co.jp
- auth.carolinetools.com
- etreasury.carolinetools.com
- businessnet.bankaustria.at
- online.bankaustria.at
- corporateconnect.net
- e-moneyger.com
- sso.unionbank.com
- cmserver
- /wire
- cashm
- treasury
- direct.bank
- webcm
- business
- /admin/
- goldleaf
- wires
- ebanking-services.com
- megabank
- royalbank.com
- rbc.com
- rbc.ca
- businessbank
- westernunion
- frostbank
- http://www.{BLOCKED}ellphotos.com/images/img_49jfdnmgudfg.jpg
- http://www.{BLOCKED}i.com/img_49jfdnmgudfg.jpg
- http://{BLOCKED}ling.com/img_49jfdnmgudfg.jpg
- http://www.{BLOCKED}osshrco.org/img_49jfdnmgudfg.jpg
SOLUTION
8.900
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
Remove malware files dropped/downloaded by TROJ_BANKER.SCR
- TSPY_ZBOT.TOL
Step 3
Scan your computer with your Trend Micro product and note files detected as TROJ_BANKER.SCR
Step 4
Delete this registry key
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\Classes\CLSID
- {FFADDC14-BA46-4A8A-984A-ADBE1C6D37EA}
- {FFADDC14-BA46-4A8A-984A-ADBE1C6D37EA}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
- {FFADDC14-BA46-4A8A-984A-ADBE1C6D37EA}
Step 5
Scan your computer with your Trend Micro product to delete files detected as TROJ_BANKER.SCR. 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.
Step 6
Search and delete the file detected as TROJ_BANKER.SCR
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