TSPY_ZBOT.BVO
Windows 2000, XP, Server 2003
Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This spyware attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data. It attempts to steal information, such as user names and passwords, used when logging into certain banking or finance-related websites.
TECHNICAL DETAILS
Infection Points
This spyware arrives as a file downloaded from the following URLs:
- http://{BLOCKED}soue.com/ptz/ptg.exe
Installation
This spyware drops the following files depending on the platform/operating system of the affected computer:
- %Application Data%\{random1}\{random}.exe
- %Application Data%\{random2}\{random}.{random}
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)
It creates the following folders:
- %Application Data%\{random1}
- %Application Data%\{random2}
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)
Autostart Technique
This spyware adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{7AD3B008-9C16-0B0B-AF21-FEF5CF0EA89B} = %Application Data%\{random1}\{random}.exe
Other System Modifications
This spyware adds the following registry keys as part of its installation routine:
HKEY_CURRENT_USER\Software\Microsoft\
{random}
@ =
Information Theft
This spyware monitors the Internet Explorer (IE) activities of the affected system, specifically the address bar or title bar. It recreates a legitimate website with a spoofed login page if a user visits banking sites with the following strings in the address bar or title bar:
- *.microsoft.com/*
- *banking.co.at*
- *ebanking.bawag.com*
- *fiducia.de*
- *https://caixadirecta.cgd.pt/CaixaDirecta/profile.do*
- *ksk-*.de*
- *kskgrossgerau.de*
- *ksklb.de*
- *kskms.de*
- *kskrhein-hunsrueck.de*
- *kskwd.de*
- *ksn-northeim.de*
- *lzo.com*
- *naspa.de*
- *nospa.de*
- *sls-direkt.de*
- *sparkasse*.de*
- *spk-*.de*
- *sskm.de*
- *vspk-*.de*
- http://*myspace.com*
- http://*odnoklassniki.ru/*
- http://groups.google.com/group/jquery-en/browse_thread/thread/36640a8730503595/2f6a79a77a78e493#2f6a79a77a78e493
- http://vkontakte.ru/*
- http://www.google.com/search?q=growl)
- https://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js
- https://caixadirecta.cgd.pt/CaixaDirecta/web/images/logo_caixadirecta.gif
- https://login.facebook.com/*
- https://static.e-junkie.com/sslpic/33525.c164530c3a6759461ec11c536482995c.gif
- https://static.e-junkie.com/sslpic/33526.7e2f065bb66e79dd529fcbc1795ab33a.gif
- https://trustsealinfo.verisign.com/images/vseal.gif
It attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data.
It accesses the following site to download its configuration file:
- http://{BLOCKED}oolg.com/ptz/ger.ma
- http://{BLOCKED}asup.com/ptz/ger.ma
- http://{BLOCKED}rud.com/ptz/ger.ma
Note that the contents of the file, hence the list of websites to monitor, may change any time.
It attempts to steal information from the following banks and/or other financial institutions:
- Fiducia
- Fifth Third
- Microsoft
- Myspace
- Odnoklassniki
- Vkontakte
Stolen Information
This spyware sends the gathered information via HTTP POST to the following URL:
- http://{BLOCKED}rborj.com/prt/jkkoz.php
Variant Information
This spyware has the following MD5 hashes:
- 591e32cea2560d35485eb40d51c9bb95
It has the following SHA1 hashes:
- 43cb5971bae39b92125ed19fd664cdc80811b4a0
SOLUTION
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
Scan your computer with your Trend Micro product and note files detected as TSPY_ZBOT.BVO
Step 3
Identify and delete files detected as TSPY_ZBOT.BVO using the Recovery Console
Step 4
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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- {7AD3B008-9C16-0B0B-AF21-FEF5CF0EA89B} = %Application Data%\{random1}\{random}.exe
- {7AD3B008-9C16-0B0B-AF21-FEF5CF0EA89B} = %Application Data%\{random1}\{random}.exe
Step 5
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_CURRENT_USER\Software\Microsoft
- {random}
- {random}
Step 6
Search and delete this folder
- %Application Data%\{random1}
- %Application Data%\{random2}
Step 7
Scan your computer with your Trend Micro product to delete files detected as TSPY_ZBOT.BVO. 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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