TSPY_BANKER.PLA
Worm:Win32/Pykspa.C (Microsoft); Backdoor.Trojan (Symantec); Trojan-Proxy.Win32.Agent.brx (Kaspersky)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Spyware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
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.
TECHNICAL DETAILS
122,880 bytes
EXE
Yes
16 Aug 2011
Drops files, Steals information
Arrival Details
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This spyware drops the following copies of itself into the affected system:
- %System%\cleanlb.exe
- %System%\inetsrc.exe
- %System%\tcontrl.exe
- %System%\updtic.exe
(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)
It adds the following mutexes to ensure that only one of its copies runs at any one time:
- xDFmy1.0.1.0Dq-2k9&-4173
Autostart Technique
This spyware adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Explorer\Run
Inet Service = "inetsrc.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
Tc Object Control = "tcontrl.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\RunOnce
Install cleanup = "cleanlb.exe"
Information Theft
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.
Stolen Information
This spyware sends the gathered information via HTTP POST to the following URL:
- http://{BLOCKED}s.cc/forum.php
NOTES:
It terminates the execution of the copy it intially executed and executes the copy %system%\updtic.exe it drops instead.
It sets the attributes of the dropped copies to Read-Only, Hidden and System.
The file time of the dropped copies are copied from the file time of %Windows%\explorer.exe. It checks for the following processes if they are running on the system:
- firefox.exe
- iexplore.exe
- http:/ns1.kylos.com.pl/
- http://amiga-shop.cz/li>http://bender.onebit.cz/
- http://bjanda.cz/
- http://elektryczek.info/
- http://fajfky.cz/
- http://fullmetaljacket.com/catalog/index.php
- http://gladforvin.dk/
- http://herbaciarnia.com.pl/
- http://kajak.dk/
- http://ksiegarnia.olkusz.pl/
- http://php4.xhosting.cz/
- http://pohua.pl/
- http://pozarnictwo.pl/
- http://rcskorpion.pl/
- http://screenprinting-film.com/catalog/
- http://sklep.parsek.pl
- http://sklep.parsek.pl/
- http://spilforretning.dk/
- http://token.onebit.cz/
- http://tryllespejlet-odense.dk/
- http://wsparcie-it.pl/
- http://www.e-hairstyle.eu/
- http://www.fireshop.pl/
- http://www.ksiegarnia.olkusz.pl/
- http://www.shop-obaly.cz/index.php
- http://zajec.mns.pl/
- http://zeta.fc.pl/
- http://zielony-slon.com.pl/
- mail.yahoo.com
- www.abbey.com
- www.alliance-leicester.co.uk
- www.cahoot.com
- www.cbonline.co.uk
- www.co-operativebank.co.uk
- www.ebay.com
- www.egg.com
- www.firstdirect.com
- www.gmail.com
- www.halifax.co.uk
- www.hotmail.com
- www.hsbc.co.uk
- www.libertyreserve.com
- www.lloydstsb.co.uk
- www.paypal.com
SOLUTION
8.900
8.358.03
16 Aug 2011
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
- Inet Service = inetsrc.exe
- Inet Service = inetsrc.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
- Tc Object Control = tcontrl.exe
- Tc Object Control = tcontrl.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
- Install cleanup = cleanlb.exe
- Install cleanup = cleanlb.exe
Step 4
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_BANKER.PLA. 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.
NOTES:
RECOMMENDATIONS
1. Enable real-time scanning of your Trend Micro anti-malware product to actively detect and protect your machine. Refer to the following Trend Micro support page to know more about enabling real-time scanning in your Trend Micro product:
- a. Home Users - http://esupport.trendmicro.com/solution/en-us/1054798.aspx
- b. Business Owners - http://esupport.trendmicro.com/Pages/How-do-I-enable-or-disable-the-Real-time-Protection-of-Trend-M-EN-1038331.aspx
2. Monitor network connections for any suspicious connection or connectivity.
3. Save login credentials anywhere other than on your computer.
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