subject: How to Detect and Remove the Trojan-Banker.Win32.Banbra [print this page] 1. What is the Trojan-Banker.Win32.Banbra1. What is the Trojan-Banker.Win32.Banbra
Trojan-Banker.Win32.Banbra is a malicious Trojan designed to steal banking details. Trojan-Banker.Win32.Banbra uses stealth tactics to enter the PC before downloading other harmful files from the Internet. Trojan-Banker.Win32.Banbra steals financial data like credit card numbers and online banking login details by taking screen snapshots of user activity. Trojan-Banker.Win32.Banbra also downloads additional components and poses a severe security risk to computer safety.
a. File System Modifications
%AppData%36383.js
%AppData%hotfix.exe [file and pathname of the sample #1]
%AppData%srsf.bat
Notes:
%AppData% is a variable that refers to the file system directory that serves as a common repository for application-specific data. A typical path is C:Documents and Settings[UserName]Application Data.
.
b. Memory Modifications
There were new processes created in the system:
Process Name
Process Filename
Main Module Size
[filename of the sample #1]
[file and pathname of the sample #1]
3,796,992 bytes
hotfix.exe
%AppData%hotfix.exe
3,796,992 bytes
c. Registry Modifications
The following Registry Key was created:
o HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesExplorerRun
The newly created Registry Values are:
o [HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionInternet Settings]
+ WarnOnPost = 0x00000000
+ WarnOnZoneCrossing = 0x00000000
+ WarnOnPostRedirect = 0x00000000
+ WarnonBadCertRecving = 0x00000000
o [HKEY_CURRENT_USERSoftwareMicrosoftWindows NTCurrentVersionWinlogon]
+ Shell = "%AppData%hotfix.exe"
so that hotfix.exe runs every time Windows starts
The following Registry Value was deleted:
o [HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionInternet Settings]
+ WarnOnPost = 01 00 00 00
d. Other details
The following port was open in the system:
Port
Protocol
Process
1053
UDP
[file and pathname of the sample #1]
There was registered attempt to establish connection with the remote host. The connection details are:
Remote Host
Port Number
85.234.191.174
80
The data identified by the following URL was then requested from the remote web server:
http://85.234.191.174/zz.php?id=t_a_d_01
2. How-to's
a. Please updatethe policy basic knowledge of Sax2 in time, Once sax2 detects the communication of these trojans, it will break them and ensure your network & business security.
b. How to Remove the Trojan-Banker.Win32.Banbra Manually?
Step 1 : The associated files of Trojan-Banker.Win32.Banbra.ukb to be deleted are listed below:
Malwarebytes' Anti-Malware is an anti-malware application that can thoroughly remove even the most advanced malware. It includes a number of features, including a built in protection monitor that blocks malicious processes before they even start. visit http://www.ids-sax2.com/Malwarebytes-Anti-Malware.htm and download Malwarebytes' Anti-Malware to help you.
3. Appendix
For more information, please visit http://www.ids-sax2.com/ComputerSecurityNewsletter.htm
How to Detect and Remove the Trojan-Banker.Win32.Banbra
By: andy.J
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